Erina Creek Catchment Aquatic Survey Final Report - Gosford City ...

Erina Creek
Freshwater Aquatic
Biodiversity Survey 2012
Project 100056
Sub Report 100056 - 6
Robert B. McCormack
31 st March 2012

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Erina Creek
Freshwater Aquatic
Biodiversity Survey 2011
© Australian Aquatic Biological Pty Ltd,
PO Box 3, Karuah, NSW, 2324
Email Correspondence: info@aabio.com.au
Reference Project:100056 Aquatic Biodiversity Survey and Baseline Mapping
of Freshwater Crayfish and Aquatic Species of the Gosford LGA - A Subset of
the Australian Crayfish Project:100001 and Australian Aquatic Biodiversity
Survey:100038
About This Project. Australian Aquatic Biological Pty. Ltd. conducts aquatic research
around Australia. Two of the major projects currently being conducted are Project
No. 100001, the Australian Crayfish Project (ACP) and Project No. 100038, the
Australian Aquatic Biodiversity Survey (AABS). The aim of these Projects is to survey
the whole of Australia, to record and identify every species of freshwater fauna and
their distributions. The present report embodies the findings for a subset of the ACP,
Project No. 100056 Aquatic Biodiversity Survey and Baseline Mapping of Freshwater
Crayfish and Aquatic Species of the Gosford LGA. Project 10056 is major sponsored
by Gosford City Council
Disclaimer:
Every effort has been taken to provide accurate information and taxonomic determinations,
and to use names that are current at the time of report preparation. The Australian Aquatic
Biological company has exercised due care and skill in the preparation and compilation of the
information and data set out in this publication. Notwithstanding, Australian Aquatic Biological,
its employees and advisers disclaim all liability, including liability for negligence, for any loss,
damage, injury, expense or cost incurred by any person as a result of accessing, using or
relying upon any of the information or data set out in this publication to the maximum extent
permitted by law. The authors accept no liability for errors and omissions.
Cover:
Erina Creek at the end of Hamersmith Road, Erina WPT027
Striped marsh frog Limnodynastes peronei
Pea shell freshwater mussels Pisidium sp.
Common jollytails Galaxias maculatus
Flat shaped freshwater snails Helicorbis australiensis
The giant spiny crayfish Euastacus spinifer
The short finned eel Anguilla australis
Erina Creek Catchment Survey Report 2

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Report Summary
Biological surveys were undertaken as part of both the broad Australian Crayfish Project
(ACP) and Australian Aquatic Biological Survey (AABS) and a targeted sub-project on
Gosford LGA (Project 100056, Australian Aquatic Biological 2010). The main sponsors
of this project were Australian Aquatic Biological and Gosford City Council under their
Ecological Research Grants Program 2010 that was assisting with biological research
projects for the whole Gosford LGA. Surveys of the Gosford LGA are completed on
a catchment/drainage basis and Erina Creek is the sixth catchment area surveyed
completely as part of the broader Gosford LGA project.
The area was surveyed between December 2010 and May 2011. Further surveys were
conducted in March 2012 and the findings are presented in this report. The main surveys
was conducted during mild autumn conditions when all the ephemeral creeks and
swamps had some water in them. Erina creek catchment is nearly entirely an urban
area and the majority of the creeks are within residents backyards or small reserves
sandwiched between residential developments. For a highly urbanized catchment, good
aquatic biodiversity was recorded across the catchment, both native species and exotic
Gambusia, however the total numbers of animals present was not high. Numerous native
freshwater crayfish were found in sections of the catchment. Additionally, freshwater
mussels were found within a section of the catchment which is a first for these surveys
in the Gosford LGA. Also native flat snails and seed shrimp were recorded for the first
time. No purely freshwater crabs were found within the catchment, however, crabs
were common in the brackish water sections. Both freshwater shrimp and eels were
recorded from the catchment. Generally, the riparian zones and creeks varied widely
within this area from pristine to heavily landscaped through suburban backyards.
Despite this, aquatic biodiversity and population densities within the upper catchment
were generally good.
This report has been created to provide information to Gosford City Council, management
authorities and the residents of the Erina Creek catchment as to the aquatic biodiversity
and catchment health of Erina Creek. Written in plain English this report is suitable
for all from school students to catchment managers. The full results of this aquatic
biodiversity survey are presented in this report.
Key words: Erina Creek, Gambusia, amphipod, gudgeon, galaxiid, parrot’s feather,
water hyacinth, freshwater snails, freshwater mussels .
Figure 1. WPT029 Erina Creek off Carlton Road.
Erina Creek Catchment Survey Report 3

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Table of Contents
Report Summary 3
Table of Contents 4
1. Background 5
2. Introduction 5
3. Aim of This Study 7
4. Research Methods 8
4.1 Methods 8
4.2 Field Notes 10
5. Results & Discussion 14
5.1 Crustaceans 14
5.1.1 Freshwater Craysh 14
5.1.2 Euastacus Craysh 15
5.1.3 Gramastacus Craysh 16
5.1.4 Cherax Craysh 16
5.1.5 Atyidae Shrimp 16
5.1.6 Freshwater Crabs 17
5.2 Fish Species 17
5.2.1 Poeciliidae 17
5.2.2 Pseudomugilidae 18
5.2.3 Eleotridae 19
5.2.4 Galaxiidae 19
5.2.5 Anguillidae 19
5.3 Molluscs 20
5.3.1 Sphaeriidae 20
5.3.2 Planorbidae 21
5.3.3 Subulinidae 23
5.4 Macroinvertebrates and others 23
5.5 Birds 23
5.6 Site Results 24
5.6.1 Holgate 24
5.6.2 Matchum 28
5.6.3 Erina 34
5.6.4 Springeld 38
6. Conclusion 42
7. Recommendations 42
8. Acknowledgements 43
9. References 44
List of Figures
Figure 1. WPT029 Erina Creek off Carlton Road. 3
Figure 2. Erina Creek off Carlton Road behind the Central Coast
Grammmar School, Looking downstream 9
Figure 3. Erina Creek Euastacus spinifer grow large and are spiny 14
Figure 4. Erina Creek Euastacus spinifer 15
Figure 5. Freshwater Atyidae shrimp Paratya australiensis were common 16
Figure 6. The plague minnow or mosquito sh Gambusia holbrooki 17
Figure 7. Pacic blue-eyes Pseudomugil signi er 18
Figure 8. Flathead gudgeons Philypnodon grandiceps 19
Figure 9. Common jollytails were in large numbers within Erina Creek 19
Figure 10. Freshwater eel Anguilla australis from a tributary of Erina Creek 20
Figure 11. Pea shell freshwater mussels (Pisidium sp.) 21
Figure 12. Pea shell mussels 21
Erina Creek Catchment Survey Report 4

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Figure 13. Freshwater snails Glyptophysa gibbosa 21
Figure 14. Flat shaped freshwater snails Helicorbis australiensis 22
Figure 15. Flat shaped freshwater snails 22
Figure 16. Helicorbis australiensis 22
Figure 17. Spike awlsnails Allopeas clavulinum 23
Figure 18. Red wrigglers/midge larvae were common WPT019 23
Figure 19. Flat worms were common WPT019 23
Figure 20. Giant water bugs were common a WPT005 23
Figure 21. Seed shrimp were common WPT019 23
Figure 22. WPT001 Fires Creek crossing Wattle Tree Road 24
Figure 23. WPT003 Pollard Close 25
Figure 24. WPT005 Manor Hill Close 25
Figure 25. WPT004 Erina Creek at Milina Road 26
Figure 26. WPT023 Erina Creek at Gooriwa Road 27
Figure 27. Erina Creek, Oak Road, Matchum WPT006 28
Figure 28. Maddens Creek crossing Oak Rd, WPT007 29
Figure 29. Maddens Creek, WPT007 29
Figure 30. Water hyacinths WPT007 30
Figure 31. Water hyacinths have a thick root system that clogs waterways 30
Figure 32. Water hyacinths WPT007 30
Figure 33. WPT007 Maddens Creek downstream side 31
Figure 34. WPT008 Maddens Creek crossing Oak Road, Matcham 31
Figure 35. WPT009 Erina Creek at Elaine Road upstream 32
Figure 36. WPT009 Erina Creek at Elaine Road downstream 32
Figure 37. Erina Creek at Matchum Road WPT010 33
Figure 38. WPT025 Chetwynd Rd 34
Figure 39. Ludwigia longifolia 34
Figure 40. Ludwigia longifolia ower 34
Figure 41. WPT013 Karalta Road, Erina 35
Figure 42. WPT040. Iron bacteria was thick and deep 35
Figure 43. Striped marsh frog 35
Figure 44. WPT014, Ilya Road 36
Figure 45. Nunns Creek at WPT015 36
Figure 46. Portsmouth Road, Erina WPT028 37
Figure 47. WPT017 Noorumba Road 38
Figure 48. Freshwater eels were common at WPT017 38
Figure 49. WPT018 Wells Road, Springeld 39
Figure 50 WPT019, Marana Road, Spring eld 40
Figure 51. WPT020 Springeld Road 41
Figure 52. WPT021 Willow Road, Springeld 41
List of Tables
Table 1. Catchment Surveys 7
Table 2. AABio Survey Site Record Sheets 10
List of Maps
MAP 1 Aerial view Erina Creek Catchment 11
MAP 2 Erina Creek GPS Survey Sites 12
MAP 3 GPS Survey Sites Greater Area 13
Appendix
Appendix A 45
Erina Creek Catchment Survey Report 5

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
1. Background
The Gosford LGA is experiencing rapid growth and development. This high population
coastal area represents a signicant environmental asset that is fundamentally important
to our lifestyle and economy. Implementing the infrastructure needed to support the
increased population, agriculture and tourism, must be undertaken so as to minimize
or avoid ecological impacts on coastal vegetation, wetlands and threatened species. It
is essential that management agencies have the information on hand to wisely plan the
development and future of these fragile coastal regions. Additionally, Gosford LGA will
be increasingly affected by global warming and climate change. Any decisions made
today could have lasting effects on the biodiversity of this coastal area. Currently,
however, management agencies do not have access to all the appropriate information
to enable the protection of our coastal crustacean and sh species and their fragile
aquatic habitats.
Over the last few years the Australian Craysh Project (ACP) and Australian Aquatic
Biodiversity Survey (AABS) has been surveying eastern Australia for freshwater craysh
and aquatic fauna. These surveys have made numerous important discoveries. In
addition to recording new knowledge and describing several new species of craysh
in the region, the survey has also revealed that an alarming proportion of the region’s
endemic species appear to be facing serious threats.
With the support of Gosford City Council the whole of the Gosford LGA will be surveyed
on a catchment by catchment basis and the results collected will greatly increase the
knowledge base and allow better management of these fragile coastal ecosystems and
help the conservation of our aquatic species.
2. Introduction
This Central Coast Region is an area with a vast amount of variation from rocky sandstone
headlands and mountain streams to thriving coastal communities. Much of the area is
protected by National Parks but the numerous coastal communities are experiencing
growing residential and recreation growth.
The Erina Creek catchment is within a generally sandstone mountainous/hilly area with
numerous creeks draining the hills down into Erina Creek. Much of the lowlying fertile
valley areas through which Erina Creek meanders are the areas with urban development.
Many of the main stream riparian zones are protected by reserves but many of the
smaller feeder streams drain through suburban backyards. This survey was conducted
within a number of suburbs within the catchment. These included; Wamberal, Matcham,
Holgate, Springeld, Erina Heights and Erina.
Freshwater biological surveys were conducted across these suburbs and the results
Erina Creek Catchment Survey Report 6

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
recorded in this report
Note: The Gosford LGA for the purpose of AABio biological surveying is divided into
grids. This Erina Creek catchment and surrounds survey represents grids: 78, 79, 88 and
89.
3. Aim of This Study
The primary aim of Project No. 100056 is to determine what freshwater craysh occur
where in the Gosford LGA. Primarily freshwater craysh are the priority and the Gosford
LGA represents a signicant area for craysh distributions, yet little is known on the
distributions of craysh in this area. Prior to the start of this research project only
two species have recorded distributions within the LGA (Euastacus australasiensis and
Euastacus spinifer) yet the extent of their distribution are unknown. Additionally, the
area includes a number of coastal lagoons, lakes and streams all with independent
catchments draining directly to the Tasman Sea that have been isolated from each
other for millions of years and many containing unrecorded craysh species.
The project also records information on all the other aquatic fauna found in the LGA
as well as information on landforms and vegetation. All this is in order to facilitate the
better conservation and management of the aquatic ecosystems of the Gosford LGA.
Note: For environmental and hygiene reasons (transfer of pests, diseases and weeds,
etc.) each of the catchments are treated as individual systems and are surveyed
separately with equipment and personnel being sterilized between catchments. A copy
of our Hygiene Protocol and Code of Practice is available online at www.aabio.com.au
Proposed Catchment Surveys Gosford LGA
PROJECT 100056 SURVEY LIST
No Catchment Project No. Status Grid
1 Wamberal Lagoon 100056-1 Completed 79, 80, 89, 90.
2 Terrigal Lagoon 100056-2 Completed 79, 89.
3 Avoca Lagoon 100056-3 Completed 89,99, 98
4 Cockrone Lagoon and Surrounds 100056-4 Completed 98, 99, 109
5 Green Point to Kilcare & Bouddi NP –
Coastal Streams
100056-5 Completed 97, 98, 107,
108, 117 &
118.
6 Erina Creek 100056-6 Completed 78, 79, 88,89
7 Narara Creek 100056-7
8 Brisbane Water –western side streams 100056-8
9 Mullet Creek 100056-9
10 Mooney Mooney Creek 100056-10 In prep
11 Mangrove Creek 100056-11 In Prep
Table 1. Catchment Surveys
Erina Creek Catchment Survey Report 7

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
4. Research Methods
A large number of sites within the catchment were surveyed (Map 1-3) to identify
potential habitat areas and species present. The survey was relatively unobtrusive and
consisted of various methods:
4.1 Methods
Site co-ordinates and altitude were recorded using a Magellan Explorist 600 handheld
GPS. Specimens were collected using a variety of methods to suit the conditions at each
survey site.
Visual observation of craysh presence/activity. Generally, burrowing activity is
the most common indication of craysh in the area, although visual observation
is also often a useful technique to record the presence of craysh that are active
on the forest oor or stream bed during sampling.
Visual search for shell fragments and remnants of craysh or molluscs. Craysh
moult their shells to grow a new larger shell discarding the old shell, they lose
claws due to ghting or claws are left from animal predation. Snail and mussel
shells are often stranded as water recedes or carried onshore by predators.
Searching for shell remnants can give a good indication of the species present,
the numbers of animals in the population and an indication of the predators in
the area feeding on the craysh/molluscs as each predator has its own signature
re shell remains.
Active netting. Scoop nets were used to scoop the bottom sediments, under
logs, through leaf litter, under banks or through reedy sections, etc. This is a
particularly important method to detect species that do not respond to baits or
traps and particularly effective in muddy/turbid water. Three scoop nets were
utilised: Small- 300 mm diameter hand held scoop. Medium- rectangular rake
with 600 mm x 200 mm opening. Large – 600 mm x 700 mm scoop net.
Cast Net. 3 m diameter cast net.
Structure removal and probing. Craysh and molluscs shelter under rocks and
logs, etc. and time was allocated to lifting such shelter objects and searching by
hand for fauna. This is another particularly important method to detect species
that do not respond to traps or nets.
Burrow excavation by hand. Most craysh species construct burrows, thus an
integral part of the survey involved careful excavation of burrows by hand to
search for craysh. This is a particularly important method to detect species that
do not respond to traps or nets.
Most animals were examined at the collection site and released after identication.
Some voucher material was retained where appropriate, and all retained specimens
were placed in transport containers with a small amount of water and some vegetation
from the site and returned to the laboratory. Selected specimens were placed in glass
Erina Creek Catchment Survey Report 8

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
aquaria and photographed. Crustacean specimens were then euthanized by freezing for
at least 24 hours and subsequently stored in clear, labelled specimen jars containing
70% ethanol. Tissue samples were retained in cell lysis buffer from selected specimens
for subsequent DNA analysis, as part of the broader ACP.
These simple methods were used to nd and capture freshwater aquatic animals for
identication across the survey area. However, AABio employs a code of practice that is
designed to limit the transfer of any pests and diseases from one catchment to another.
For each catchment separate traps and nets are utilized and boots, etc. of eld workers
are sterilized between catchments.
Use of traps in eastern drainages is prohibited under the Fisheries Management Act and
all methods and collection was authorized under special scientic collection permits.
All collections were authorized by the NSW Department of Industry and Investment
under Scientic Collection Permit P05/0077-4.1. All collections were authorized by the
National Parks and Wildlife Service, under Scientic Licence S13112.
Figure 2. Erina Creek off Carlton Road behind
The Central Coast Grammmar School
looking downstream
Erina Creek Catchment Survey Report 9

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
4.2 Field Notes.
Survey sites were recorded on a Magellan 600 GPS. Additionally, at each survey site a survey
sheet was lled in which recorded the following:
1. Date.
2. Grid reference.
3. Location-Street address.
4. GSP location (digital Longitude & Latitude).
5. Height.
6. Time.
7. Mileage.
8. Habitat description.
9. Land use.
10. Water ow/clarity/condition, etc.
11. Aquatic plants.
12. Species/collection methods.
The following is the survey site information brief.
Table 2. AABio Survey Site Record Sheets.
Erina Creek Catchment Survey Report 10

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
MAP1
Aerialview
ErinaCreek
Catchment
NararaCreek
Catchment
ErinaCreek
Catchment
Wamberal
Catchment
ErinaCreek
Catchment
Terrigal
Catchment
Avoca
Catchment
Erina Creek Catchment Survey Report 11

151°22' 151°23' 151°24' 151°25' 151°26
Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
WPT002
-33°24'
WPT001
WPT005
WPT008
WPT003
WPT007
WPT009
WPT010
WPT006
-33°25'
WPT026
WPT023
WPT004
WPT019
WPT029
WPT020
WPT021
WPT017
WPT024
WPT028
-33°26'
WPT018
WPT022
WPT027
WPT011
WPT025
WPT012
WPT015
WPT013
WPT014
WPT016
-33°27'
-33°28'
MAP 2
Erina Creek
GPS Survey Sites
Erina Creek Catchment Survey Report 12
MapSend Lite v.2.00e Beta (build 1303). Copyright © 2006 Thales Navigation, Inc. All rights reserved.
1 km

WPT001
WPT001
WPT001
WPT001
WPT001
WPT001
WPT001
WPT001
WPT001
WPT002
WPT002
WPT002
WPT002
WPT002
WPT002
WPT002
WPT002
WPT002
WPT003
WPT003
WPT003
WPT003
WPT003
WPT003
WPT003
WPT003
WPT003
WPT004
WPT004
WPT004
WPT004
WPT004
WPT004
WPT004
WPT004
WPT004
WPT006
WPT006
WPT006
WPT006
WPT006
WPT006
WPT006
WPT006
WPT006
WPT005
WPT005
WPT005
WPT005
WPT005
WPT005
WPT005
WPT005
WPT005
WPT007
WPT007
WPT007
WPT007
WPT007
WPT007
WPT007
WPT007
WPT007
WPT008
WPT008
WPT008
WPT008
WPT008
WPT008
WPT008
WPT008
WPT008
WPT009
WPT009
WPT009
WPT009
WPT009
WPT009
WPT009
WPT009
WPT009
WPT010
WPT010
WPT010
WPT010
WPT010
WPT010
WPT010
WPT010
WPT010
WPT011
WPT011
WPT011
WPT011
WPT011
WPT011
WPT011
WPT011
WPT011
WPT012
WPT012
WPT012
WPT012
WPT012
WPT012
WPT012
WPT012
WPT012
WPT013
WPT013
WPT013
WPT013
WPT013
WPT013
WPT013
WPT013
WPT013
WPT014
WPT014
WPT014
WPT014
WPT014
WPT014
WPT014
WPT014
WPT014
WPT015
WPT015
WPT015
WPT015
WPT015
WPT015
WPT015
WPT015
WPT015
WPT016
WPT016
WPT016
WPT016
WPT016
WPT016
WPT016
WPT016
WPT016
WPT017
WPT017
WPT017
WPT017
WPT017
WPT017
WPT017
WPT017
WPT017
WPT018
WPT018
WPT018
WPT018
WPT018
WPT018
WPT018
WPT018
WPT018
WPT019
WPT019
WPT019
WPT019
WPT019
WPT019
WPT019
WPT019
WPT019
WPT020
WPT020
WPT020
WPT020
WPT020
WPT020
WPT020
WPT020
WPT020
WPT021
WPT021
WPT021
WPT021
WPT021
WPT021
WPT021
WPT021
WPT021
WPT022
WPT022
WPT022
WPT022
WPT022
WPT022
WPT022
WPT022
WPT022
WPT023
WPT023
WPT023
WPT023
WPT023
WPT023
WPT023
WPT023
WPT023
WPT024
WPT024
WPT024
WPT024
WPT024
WPT024
WPT024
WPT024
WPT024
WPT025
WPT025
WPT025
WPT025
WPT025
WPT025
WPT025
WPT025
WPT025
WPT026
WPT026
WPT026
WPT026
WPT026
WPT026
WPT026
WPT026
WPT026
WPT027
WPT027
WPT027
WPT027
WPT027
WPT027
WPT027
WPT027
WPT027
WPT028
WPT028
WPT028
WPT028
WPT028
WPT028
WPT028
WPT028
WPT028
WPT031
WPT031
WPT031
WPT031
WPT031
WPT031
WPT031
WPT031
WPT031
WPT032
WPT032
WPT032
WPT032
WPT032
WPT032
WPT032
WPT032
WPT032
WPT033
WPT033
WPT033
WPT033
WPT033
WPT033
WPT033
WPT033
WPT033
WPT035
WPT035
WPT035
WPT035
WPT035
WPT035
WPT035
WPT035
WPT035
WPT036
WPT036
WPT036
WPT036
WPT036
WPT036
WPT036
WPT036
WPT036
WPT037
WPT037
WPT037
WPT037
WPT037
WPT037
WPT037
WPT037
WPT037
WPT034
WPT034
WPT034
WPT034
WPT034
WPT034
WPT034
WPT034
WPT034
WPT001D
WPT001D
WPT001D
WPT001D
WPT001D
WPT001D
WPT001D
WPT001D
WPT001D
WPT002D
WPT002D
WPT002D
WPT002D
WPT002D
WPT002D
WPT002D
WPT002D
WPT002D
WPT003D
WPT003D
WPT003D
WPT003D
WPT003D
WPT003D
WPT003D
WPT003D
WPT003D
WPT004D
WPT004D
WPT004D
WPT004D
WPT004D
WPT004D
WPT004D
WPT004D
WPT004D
WPT005D
WPT005D
WPT005D
WPT005D
WPT005D
WPT005D
WPT005D
WPT005D
WPT005D WPT006D
WPT006D
WPT006D
WPT006D
WPT006D
WPT006D
WPT006D
WPT006D
WPT006D
WPT007D
WPT007D
WPT007D
WPT007D
WPT007D
WPT007D
WPT007D
WPT007D
WPT007D
WPT008C
WPT008C
WPT008C
WPT008C
WPT008C
WPT008C
WPT008C
WPT008C
WPT008C
WPT009C
WPT009C
WPT009C
WPT009C
WPT009C
WPT009C
WPT009C
WPT009C
WPT009C
WPT010C
WPT010C
WPT010C
WPT010C
WPT010C
WPT010C
WPT010C
WPT010C
WPT010C
WPT011C
WPT011C
WPT011C
WPT011C
WPT011C
WPT011C
WPT011C
WPT011C
WPT011C
WPT012C
WPT012C
WPT012C
WPT012C
WPT012C
WPT012C
WPT012C
WPT012C
WPT012C
WPT013C
WPT013C
WPT013C
WPT013C
WPT013C
WPT013C
WPT013C
WPT013C
WPT013C
WPT014C
WPT014C
WPT014C
WPT014C
WPT014C
WPT014C
WPT014C
WPT014C
WPT014C
WPT015C
WPT015C
WPT015C
WPT015C
WPT015C
WPT015C
WPT015C
WPT015C
WPT015C
WPT016C
WPT016C
WPT016C
WPT016C
WPT016C
WPT016C
WPT016C
WPT016C
WPT016C
WPT017C
WPT017C
WPT017C
WPT017C
WPT017C
WPT017C
WPT017C
WPT017C
WPT017C
WPT018C
WPT018C
WPT018C
WPT018C
WPT018C
WPT018C
WPT018C
WPT018C
WPT018C
WPT019C
WPT019C
WPT019C
WPT019C
WPT019C
WPT019C
WPT019C
WPT019C
WPT019C
WPT020C
WPT020C
WPT020C
WPT020C
WPT020C
WPT020C
WPT020C
WPT020C
WPT020C
WPT021C
WPT021C
WPT021C
WPT021C
WPT021C
WPT021C
WPT021C
WPT021C
WPT021C
WPT022C
WPT022C
WPT022C
WPT022C
WPT022C
WPT022C
WPT022C
WPT022C
WPT022C
WPT023C
WPT023C
WPT023C
WPT023C
WPT023C
WPT023C
WPT023C
WPT023C
WPT023C
WPT024B
WPT024B
WPT024B
WPT024B
WPT024B
WPT024B
WPT024B
WPT024B
WPT024B
WPT027B
WPT027B
WPT027B
WPT027B
WPT027B
WPT027B
WPT027B
WPT027B
WPT027B
WPT028B
WPT028B
WPT028B
WPT028B
WPT028B
WPT028B
WPT028B
WPT028B
WPT028B
WPT029B
WPT029B
WPT029B
WPT029B
WPT029B
WPT029B
WPT029B
WPT029B
WPT029B
WPT030B
WPT030B
WPT030B
WPT030B
WPT030B
WPT030B
WPT030B
WPT030B
WPT030B
WPT031B
WPT031B
WPT031B
WPT031B
WPT031B
WPT031B
WPT031B
WPT031B
WPT031B
WPT001C
WPT001C
WPT001C
WPT001C
WPT001C
WPT001C
WPT001C
WPT001C
WPT001C
WPT002C
WPT002C
WPT002C
WPT002C
WPT002C
WPT002C
WPT002C
WPT002C
WPT002C
WPT003C
WPT003C
WPT003C
WPT003C
WPT003C
WPT003C
WPT003C
WPT003C
WPT003C
WPT004C
WPT004C
WPT004C
WPT004C
WPT004C
WPT004C
WPT004C
WPT004C
WPT004C
WPT005C
WPT005C
WPT005C
WPT005C
WPT005C
WPT005C
WPT005C
WPT005C
WPT005C
WPT006C
WPT006C
WPT006C
WPT006C
WPT006C
WPT006C
WPT006C
WPT006C
WPT006C
WPT007C
WPT007C
WPT007C
WPT007C
WPT007C
WPT007C
WPT007C
WPT007C
WPT007C
WPT008B
WPT008B
WPT008B
WPT008B
WPT008B
WPT008B
WPT008B
WPT008B
WPT008B
WPT009B
WPT009B
WPT009B
WPT009B
WPT009B
WPT009B
WPT009B
WPT009B
WPT009B
WPT010B
WPT010B
WPT010B
WPT010B
WPT010B
WPT010B
WPT010B
WPT010B
WPT010B
WPT011B
WPT011B
WPT011B
WPT011B
WPT011B
WPT011B
WPT011B
WPT011B
WPT011B
WPT012B
WPT012B
WPT012B
WPT012B
WPT012B
WPT012B
WPT012B
WPT012B
WPT012B
WPT013B
WPT013B
WPT013B
WPT013B
WPT013B
WPT013B
WPT013B
WPT013B
WPT013B
WPT014B
WPT014B
WPT014B
WPT014B
WPT014B
WPT014B
WPT014B
WPT014B
WPT014B
WPT015B
WPT015B
WPT015B
WPT015B
WPT015B
WPT015B
WPT015B
WPT015B
WPT015B
WPT016B
WPT016B
WPT016B
WPT016B
WPT016B
WPT016B
WPT016B
WPT016B
WPT016B
WPT017B
WPT017B
WPT017B
WPT017B
WPT017B
WPT017B
WPT017B
WPT017B
WPT017B
WPT018B
WPT018B
WPT018B
WPT018B
WPT018B
WPT018B
WPT018B
WPT018B
WPT018B
WPT019B
WPT019B
WPT019B
WPT019B
WPT019B
WPT019B
WPT019B
WPT019B
WPT019B
WPT020B
WPT020B
WPT020B
WPT020B
WPT020B
WPT020B
WPT020B
WPT020B
WPT020B
WPT021B
WPT021B
WPT021B
WPT021B
WPT021B
WPT021B
WPT021B
WPT021B
WPT021B
WPT022B
WPT022B
WPT022B
WPT022B
WPT022B
WPT022B
WPT022B
WPT022B
WPT022B
WPT023B
WPT023B
WPT023B
WPT023B
WPT023B
WPT023B
WPT023B
WPT023B
WPT023B
WPT024A
WPT024A
WPT024A
WPT024A
WPT024A
WPT024A
WPT024A
WPT024A
WPT024A
WPT025A
WPT025A
WPT025A
WPT025A
WPT025A
WPT025A
WPT025A
WPT025A
WPT025A
WPT026A
WPT026A
WPT026A
WPT026A
WPT026A
WPT026A
WPT026A
WPT026A
WPT026A
WPT027A
WPT027A
WPT027A
WPT027A
WPT027A
WPT027A
WPT027A
WPT027A
WPT027A
WPT028A
WPT028A
WPT028A
WPT028A
WPT028A
WPT028A
WPT028A
WPT028A
WPT028A
WPT029A
WPT029A
WPT029A
WPT029A
WPT029A
WPT029A
WPT029A
WPT029A
WPT029A
WPT030A
WPT030A
WPT030A
WPT030A
WPT030A
WPT030A
WPT030A
WPT030A
WPT030A
WPT031A
WPT031A
WPT031A
WPT031A
WPT031A
WPT031A
WPT031A
WPT031A
WPT031A
WPT032A
WPT032A
WPT032A
WPT032A
WPT032A
WPT032A
WPT032A
WPT032A
WPT032A
WPT033A
WPT033A
WPT033A
WPT033A
WPT033A
WPT033A
WPT033A
WPT033A
WPT033A
WPT034A
WPT034A
WPT034A
WPT034A
WPT034A
WPT034A
WPT034A
WPT034A
WPT034A
WPT035A
WPT035A
WPT035A
WPT035A
WPT035A
WPT035A
WPT035A
WPT035A
WPT035A
WPT001A
WPT001A
WPT001A
WPT001A
WPT001A
WPT001A
WPT001A
WPT001A
WPT001A
WPT002A
WPT002A
WPT002A
WPT002A
WPT002A
WPT002A
WPT002A
WPT002A
WPT002A
WPT005A
WPT005A
WPT005A
WPT005A
WPT005A
WPT005A
WPT005A
WPT005A
WPT005A
WPT003A
WPT003A
WPT003A
WPT003A
WPT003A
WPT003A
WPT003A
WPT003A
WPT003A
WPT004A
WPT004A
WPT004A
WPT004A
WPT004A
WPT004A
WPT004A
WPT004A
WPT004A
WPT006A
WPT006A
WPT006A
WPT006A
WPT006A
WPT006A
WPT006A
WPT006A
WPT006A
WPT007A
WPT007A
WPT007A
WPT007A
WPT007A
WPT007A
WPT007A
WPT007A
WPT007A
WPT008A
WPT008A
WPT008A
WPT008A
WPT008A
WPT008A
WPT008A
WPT008A
WPT008A
WPT009A
WPT009A
WPT009A
WPT009A
WPT009A
WPT009A
WPT009A
WPT009A
WPT009A
WPT010A
WPT010A
WPT010A
WPT010A
WPT010A
WPT010A
WPT010A
WPT010A
WPT010A
WPT011A
WPT011A
WPT011A
WPT011A
WPT011A
WPT011A
WPT011A
WPT011A
WPT011A
WPT012A
WPT012A
WPT012A
WPT012A
WPT012A
WPT012A
WPT012A
WPT012A
WPT012A
WPT013A
WPT013A
WPT013A
WPT013A
WPT013A
WPT013A
WPT013A
WPT013A
WPT013A
WPT014A
WPT014A
WPT014A
WPT014A
WPT014A
WPT014A
WPT014A
WPT014A
WPT014A
WPT015A
WPT015A
WPT015A
WPT015A
WPT015A
WPT015A
WPT015A
WPT015A
WPT015A
WPT016A
WPT016A
WPT016A
WPT016A
WPT016A
WPT016A
WPT016A
WPT016A
WPT016A
WPT017A
WPT017A
WPT017A
WPT017A
WPT017A
WPT017A
WPT017A
WPT017A
WPT017A
WPT018A
WPT018A
WPT018A
WPT018A
WPT018A
WPT018A
WPT018A
WPT018A
WPT018A
WPT019A
WPT019A
WPT019A
WPT019A
WPT019A
WPT019A
WPT019A
WPT019A
WPT019A
WPT020A
WPT020A
WPT020A
WPT020A
WPT020A
WPT020A
WPT020A
WPT020A
WPT020A
WPT021A
WPT021A
WPT021A
WPT021A
WPT021A
WPT021A
WPT021A
WPT021A
WPT021A
WPT022A
WPT022A
WPT022A
WPT022A
WPT022A
WPT022A
WPT022A
WPT022A
WPT022A
WPT023A
WPT023A
WPT023A
WPT023A
WPT023A
WPT023A
WPT023A
WPT023A
WPT023A
KPOI001
KPOI001
KPOI001
KPOI001
KPOI001
KPOI001
KPOI001
KPOI001
KPOI001
KPOI002
KPOI002
KPOI002
KPOI002
KPOI002
KPOI002
KPOI002
KPOI002
KPOI002
KPO1003
KPO1003
KPO1003
KPO1003
KPO1003
KPO1003
KPO1003
KPO1003
KPO1003
KPOI004
KPOI004
KPOI004
KPOI004
KPOI004
KPOI004
KPOI004
KPOI004
KPOI004
KPOI005
KPOI005
KPOI005
KPOI005
KPOI005
KPOI005
KPOI005
KPOI005
KPOI005
KPOI006
KPOI006
KPOI006
KPOI006
KPOI006
KPOI006
KPOI006
KPOI006
KPOI006
KPOI007
KPOI007
KPOI007
KPOI007
KPOI007
KPOI007
KPOI007
KPOI007
KPOI007
KPOI008
KPOI008
KPOI008
KPOI008
KPOI008
KPOI008
KPOI008
KPOI008
KPOI008
KPOI009
KPOI009
KPOI009
KPOI009
KPOI009
KPOI009
KPOI009
KPOI009
KPOI009
KPOI010
KPOI010
KPOI010
KPOI010
KPOI010
KPOI010
KPOI010
KPOI010
KPOI010
KPOI011
KPOI011
KPOI011
KPOI011
KPOI011
KPOI011
KPOI011
KPOI011
KPOI011
KPOI012
KPOI012
KPOI012
KPOI012
KPOI012
KPOI012
KPOI012
KPOI012
KPOI012
KPOI013
KPOI013
KPOI013
KPOI013
KPOI013
KPOI013
KPOI013
KPOI013
KPOI013
KPOI014
KPOI014
KPOI014
KPOI014
KPOI014
KPOI014
KPOI014
KPOI014
KPOI014
KPOI015
KPOI015
KPOI015
KPOI015
KPOI015
KPOI015
KPOI015
KPOI015
KPOI015
KPOI016
KPOI016
KPOI016
KPOI016
KPOI016
KPOI016
KPOI016
KPOI016
KPOI016
KPOI017
KPOI017
KPOI017
KPOI017
KPOI017
KPOI017
KPOI017
KPOI017
KPOI017
KPOI018
KPOI018
KPOI018
KPOI018
KPOI018
KPOI018
KPOI018
KPOI018
KPOI018
KPOI019
KPOI019
KPOI019
KPOI019
KPOI019
KPOI019
KPOI019
KPOI019
KPOI019
KPOI020
KPOI020
KPOI020
KPOI020
KPOI020
KPOI020
KPOI020
KPOI020
KPOI020
KPT002
KPT002
KPT002
KPT002
KPT002
KPT002
KPT002
KPT002
KPT002
KPT001
KPT001
KPT001
KPT001
KPT001
KPT001
KPT001
KPT001
KPT001
KPT003
KPT003
KPT003
KPT003
KPT003
KPT003
KPT003
KPT003
KPT003
KPT004
KPT004
KPT004
KPT004
KPT004
KPT004
KPT004
KPT004
KPT004
KPT005
KPT005
KPT005
KPT005
KPT005
KPT005
KPT005
KPT005
KPT005
POI001
POI001
POI001
POI001
POI001
POI001
POI001
POI001
POI001
POI002
POI002
POI002
POI002
POI002
POI002
POI002
POI002
POI002
POI003
POI003
POI003
POI003
POI003
POI003
POI003
POI003
POI003
POI008
POI008
POI008
POI008
POI008
POI008
POI008
POI008
POI008
POI009
POI009
POI009
POI009
POI009
POI009
POI009
POI009
POI009
POI011
POI011
POI011
POI011
POI011
POI011
POI011
POI011
POI011
POI021
POI021
POI021
POI021
POI021
POI021
POI021
POI021
POI021
POI022
POI022
POI022
POI022
POI022
POI022
POI022
POI022
POI022
POI023
POI023
POI023
POI023
POI023
POI023
POI023
POI023
POI023
POI024
POI024
POI024
POI024
POI024
POI024
POI024
POI024
POI024
POI025
POI025
POI025
POI025
POI025
POI025
POI025
POI025
POI025
POI026
POI026
POI026
POI026
POI026
POI026
POI026
POI026
POI026
POI027
POI027
POI027
POI027
POI027
POI027
POI027
POI027
POI027
POI018
POI018
POI018
POI018
POI018
POI018
POI018
POI018
POI018
POI019
POI019
POI019
POI019
POI019
POI019
POI019
POI019
POI019
POI020
POI020
POI020
POI020
POI020
POI020
POI020
POI020
POI020
POI021A
POI021A
POI021A
POI021A
POI021A
POI021A
POI021A
POI021A
POI021A
POI022A
POI022A
POI022A
POI022A
POI022A
POI022A
POI022A
POI022A
POI022A
WPT007B
WPT007B
WPT007B
WPT007B
WPT007B
WPT007B
WPT007B
WPT007B
WPT007B
POI116
POI116
POI116
POI116
POI116
POI116
POI116
POI116
POI116
POI117
POI117
POI117
POI117
POI117
POI117
POI117
POI117
POI117
POI118
POI118
POI118
POI118
POI118
POI118
POI118
POI118
POI118
POI119
POI119
POI119
POI119
POI119
POI119
POI119
POI119
POI119
POI120
POI120
POI120
POI120
POI120
POI120
POI120
POI120
POI120
POI121
POI121
POI121
POI121
POI121
POI121
POI121
POI121
POI121
POI122
POI122
POI122
POI122
POI122
POI122
POI122
POI122
POI122
POI123
POI123
POI123
POI123
POI123
POI123
POI123
POI123
POI123
POI124
POI124
POI124
POI124
POI124
POI124
POI124
POI124
POI124
POI125
POI125
POI125
POI125
POI125
POI125
POI125
POI125
POI125
POI126
POI126
POI126
POI126
POI126
POI126
POI126
POI126
POI126
POI127
POI127
POI127
POI127
POI127
POI127
POI127
POI127
POI127
POI128
POI128
POI128
POI128
POI128
POI128
POI128
POI128
POI128
POI129
POI129
POI129
POI129
POI129
POI129
POI129
POI129
POI129
POI130
POI130
POI130
POI130
POI130
POI130
POI130
POI130
POI130
POI131
POI131
POI131
POI131
POI131
POI131
POI131
POI131
POI131
POI132
POI132
POI132
POI132
POI132
POI132
POI132
POI132
POI132
POI133
POI133
POI133
POI133
POI133
POI133
POI133
POI133
POI133
POI134
POI134
POI134
POI134
POI134
POI134
POI134
POI134
POI134
POI135
POI135
POI135
POI135
POI135
POI135
POI135
POI135
POI135
POI136
POI136
POI136
POI136
POI136
POI136
POI136
POI136
POI136
POI137
POI137
POI137
POI137
POI137
POI137
POI137
POI137
POI137
POI138
POI138
POI138
POI138
POI138
POI138
POI138
POI138
POI138
POI139
POI139
POI139
POI139
POI139
POI139
POI139
POI139
POI139
POI140
POI140
POI140
POI140
POI140
POI140
POI140
POI140
POI140
POI141
POI141
POI141
POI141
POI141
POI141
POI141
POI141
POI141
POI142
POI142
POI142
POI142
POI142
POI142
POI142
POI142
POI142
POI143
POI143
POI143
POI143
POI143
POI143
POI143
POI143
POI143
POI144
POI144
POI144
POI144
POI144
POI144
POI144
POI144
POI144
POI145
POI145
POI145
POI145
POI145
POI145
POI145
POI145
POI145
POI001A1
POI001A1
POI001A1
POI001A1
POI001A1
POI001A1
POI001A1
POI001A1
POI001A1
POI002A1
POI002A1
POI002A1
POI002A1
POI002A1
POI002A1
POI002A1
POI002A1
POI002A1
POI003A1
POI003A1
POI003A1
POI003A1
POI003A1
POI003A1
POI003A1
POI003A1
POI003A1
POI004A1
POI004A1
POI004A1
POI004A1
POI004A1
POI004A1
POI004A1
POI004A1
POI004A1
POI005A1
POI005A1
POI005A1
POI005A1
POI005A1
POI005A1
POI005A1
POI005A1
POI005A1
POI006A1
POI006A1
POI006A1
POI006A1
POI006A1
POI006A1
POI006A1
POI006A1
POI006A1
POI007A1
POI007A1
POI007A1
POI007A1
POI007A1
POI007A1
POI007A1
POI007A1
POI007A1
POI008A1
POI008A1
POI008A1
POI008A1
POI008A1
POI008A1
POI008A1
POI008A1
POI008A1
POI009A1
POI009A1
POI009A1
POI009A1
POI009A1
POI009A1
POI009A1
POI009A1
POI009A1
POI010A1
POI010A1
POI010A1
POI010A1
POI010A1
POI010A1
POI010A1
POI010A1
POI010A1
POI011A1
POI011A1
POI011A1
POI011A1
POI011A1
POI011A1
POI011A1
POI011A1
POI011A1
POI012A1
POI012A1
POI012A1
POI012A1
POI012A1
POI012A1
POI012A1
POI012A1
POI012A1
POI013A1
POI013A1
POI013A1
POI013A1
POI013A1
POI013A1
POI013A1
POI013A1
POI013A1
POI014A1
POI014A1
POI014A1
POI014A1
POI014A1
POI014A1
POI014A1
POI014A1
POI014A1
POI015A1
POI015A1
POI015A1
POI015A1
POI015A1
POI015A1
POI015A1
POI015A1
POI015A1
POI016A1
POI016A1
POI016A1
POI016A1
POI016A1
POI016A1
POI016A1
POI016A1
POI016A1
POI017A1
POI017A1
POI017A1
POI017A1
POI017A1
POI017A1
POI017A1
POI017A1
POI017A1
POI023A1
POI023A1
POI023A1
POI023A1
POI023A1
POI023A1
POI023A1
POI023A1
POI023A1
POI024A1
POI024A1
POI024A1
POI024A1
POI024A1
POI024A1
POI024A1
POI024A1
POI024A1
POI025A1
POI025A1
POI025A1
POI025A1
POI025A1
POI025A1
POI025A1
POI025A1
POI025A1
POI026A1
POI026A1
POI026A1
POI026A1
POI026A1
POI026A1
POI026A1
POI026A1
POI026A1
POI027A1
POI027A1
POI027A1
POI027A1
POI027A1
POI027A1
POI027A1
POI027A1
POI027A1
POI028A1
POI028A1
POI028A1
POI028A1
POI028A1
POI028A1
POI028A1
POI028A1
POI028A1
POI029A1
POI029A1
POI029A1
POI029A1
POI029A1
POI029A1
POI029A1
POI029A1
POI029A1
POI030A1
POI030A1
POI030A1
POI030A1
POI030A1
POI030A1
POI030A1
POI030A1
POI030A1
POI031A1
POI031A1
POI031A1
POI031A1
POI031A1
POI031A1
POI031A1
POI031A1
POI031A1
POI032A1
POI032A1
POI032A1
POI032A1
POI032A1
POI032A1
POI032A1
POI032A1
POI032A1
WPT001B
WPT001B
WPT001B
WPT001B
WPT001B
WPT001B
WPT001B
WPT001B
WPT001B
WPT002B
WPT002B
WPT002B
WPT002B
WPT002B
WPT002B
WPT002B
WPT002B
WPT002B
WPT003B
WPT003B
WPT003B
WPT003B
WPT003B
WPT003B
WPT003B
WPT003B
WPT003B
WPT004B
WPT004B
WPT004B
WPT004B
WPT004B
WPT004B
WPT004B
WPT004B
WPT004B
WPT005B
WPT005B
WPT005B
WPT005B
WPT005B
WPT005B
WPT005B
WPT005B
WPT005B
WPT006B
WPT006B
WPT006B
WPT006B
WPT006B
WPT006B
WPT006B
WPT006B
WPT006B
1POI001
1POI001
1POI001
1POI001
1POI001
1POI001
1POI001
1POI001
1POI001
1POI002
1POI002
1POI002
1POI002
1POI002
1POI002
1POI002
1POI002
1POI002
1POI003
1POI003
1POI003
1POI003
1POI003
1POI003
1POI003
1POI003
1POI003
1POI004
1POI004
1POI004
1POI004
1POI004
1POI004
1POI004
1POI004
1POI004
1POI005
1POI005
1POI005
1POI005
1POI005
1POI005
1POI005
1POI005
1POI005
1POI006
1POI006
1POI006
1POI006
1POI006
1POI006
1POI006
1POI006
1POI006
1POI007
1POI007
1POI007
1POI007
1POI007
1POI007
1POI007
1POI007
1POI007
1POI008
1POI008
1POI008
1POI008
1POI008
1POI008
1POI008
1POI008
1POI008
1POI009
1POI009
1POI009
1POI009
1POI009
1POI009
1POI009
1POI009
1POI009
1POI010
1POI010
1POI010
1POI010
1POI010
1POI010
1POI010
1POI010
1POI010
1POI011
1POI011
1POI011
1POI011
1POI011
1POI011
1POI011
1POI011
1POI011
1POI012
1POI012
1POI012
1POI012
1POI012
1POI012
1POI012
1POI012
1POI012
1POI013
1POI013
1POI013
1POI013
1POI013
1POI013
1POI013
1POI013
1POI013
1POI014
1POI014
1POI014
1POI014
1POI014
1POI014
1POI014
1POI014
1POI014
1POI016
1POI016
1POI016
1POI016
1POI016
1POI016
1POI016
1POI016
1POI016
1POI017
1POI017
1POI017
1POI017
1POI017
1POI017
1POI017
1POI017
1POI017
1POI018
1POI018
1POI018
1POI018
1POI018
1POI018
1POI018
1POI018
1POI018
1POI019
1POI019
1POI019
1POI019
1POI019
1POI019
1POI019
1POI019
1POI019
1POI020
1POI020
1POI020
1POI020
1POI020
1POI020
1POI020
1POI020
1POI020
1POI021
1POI021
1POI021
1POI021
1POI021
1POI021
1POI021
1POI021
1POI021
1POI022
1POI022
1POI022
1POI022
1POI022
1POI022
1POI022
1POI022
1POI022
1POI023
1POI023
1POI023
1POI023
1POI023
1POI023
1POI023
1POI023
1POI023
1POI024
1POI024
1POI024
1POI024
1POI024
1POI024
1POI024
1POI024
1POI024
1POI025
1POI025
1POI025
1POI025
1POI025
1POI025
1POI025
1POI025
1POI025
1POI026
1POI026
1POI026
1POI026
1POI026
1POI026
1POI026
1POI026
1POI026
1POI027
1POI027
1POI027
1POI027
1POI027
1POI027
1POI027
1POI027
1POI027
1POI028
1POI028
1POI028
1POI028
1POI028
1POI028
1POI028
1POI028
1POI028
1POI029
1POI029
1POI029
1POI029
1POI029
1POI029
1POI029
1POI029
1POI029
1POI031
1POI031
1POI031
1POI031
1POI031
1POI031
1POI031
1POI031
1POI031
1POI032
1POI032
1POI032
1POI032
1POI032
1POI032
1POI032
1POI032
1POI032
1POI033
1POI033
1POI033
1POI033
1POI033
1POI033
1POI033
1POI033
1POI033
1POI034
1POI034
1POI034
1POI034
1POI034
1POI034
1POI034
1POI034
1POI034
1POI035
1POI035
1POI035
1POI035
1POI035
1POI035
1POI035
1POI035
1POI035
1WPT001
1WPT001
1WPT001
1WPT001
1WPT001
1WPT001
1WPT001
1WPT001
1WPT001
1WPT002
1WPT002
1WPT002
1WPT002
1WPT002
1WPT002
1WPT002
1WPT002
1WPT002
1WPT003
1WPT003
1WPT003
1WPT003
1WPT003
1WPT003
1WPT003
1WPT003
1WPT003
1WPT004
1WPT004
1WPT004
1WPT004
1WPT004
1WPT004
1WPT004
1WPT004
1WPT004
1WPT005
1WPT005
1WPT005
1WPT005
1WPT005
1WPT005
1WPT005
1WPT005
1WPT005
1WPT006
1WPT006
1WPT006
1WPT006
1WPT006
1WPT006
1WPT006
1WPT006
1WPT006
1WPT007
1WPT007
1WPT007
1WPT007
1WPT007
1WPT007
1WPT007
1WPT007
1WPT007
1WPT008
1WPT008
1WPT008
1WPT008
1WPT008
1WPT008
1WPT008
1WPT008
1WPT008
1WPT009
1WPT009
1WPT009
1WPT009
1WPT009
1WPT009
1WPT009
1WPT009
1WPT009
1WPT010
1WPT010
1WPT010
1WPT010
1WPT010
1WPT010
1WPT010
1WPT010
1WPT010
1WPT011
1WPT011
1WPT011
1WPT011
1WPT011
1WPT011
1WPT011
1WPT011
1WPT011
1WPT012
1WPT012
1WPT012
1WPT012
1WPT012
1WPT012
1WPT012
1WPT012
1WPT012
1WPT013
1WPT013
1WPT013
1WPT013
1WPT013
1WPT013
1WPT013
1WPT013
1WPT013
1WPT014
1WPT014
1WPT014
1WPT014
1WPT014
1WPT014
1WPT014
1WPT014
1WPT014
1WPT015
1WPT015
1WPT015
1WPT015
1WPT015
1WPT015
1WPT015
1WPT015
1WPT015
1WPT016
1WPT016
1WPT016
1WPT016
1WPT016
1WPT016
1WPT016
1WPT016
1WPT016
1WPT017
1WPT017
1WPT017
1WPT017
1WPT017
1WPT017
1WPT017
1WPT017
1WPT017
POI011A2
POI011A2
POI011A2
POI011A2
POI011A2
POI011A2
POI011A2
POI011A2
POI011A2
POI012A2
POI012A2
POI012A2
POI012A2
POI012A2
POI012A2
POI012A2
POI012A2
POI012A2
POI013A2
POI013A2
POI013A2
POI013A2
POI013A2
POI013A2
POI013A2
POI013A2
POI013A2
POI014A2
POI014A2
POI014A2
POI014A2
POI014A2
POI014A2
POI014A2
POI014A2
POI014A2
POI015A2
POI015A2
POI015A2
POI015A2
POI015A2
POI015A2
POI015A2
POI015A2
POI015A2
POI016A2
POI016A2
POI016A2
POI016A2
POI016A2
POI016A2
POI016A2
POI016A2
POI016A2
POI017A2
POI017A2
POI017A2
POI017A2
POI017A2
POI017A2
POI017A2
POI017A2
POI017A2
POI018A2
POI018A2
POI018A2
POI018A2
POI018A2
POI018A2
POI018A2
POI018A2
POI018A2
POI019A2
POI019A2
POI019A2
POI019A2
POI019A2
POI019A2
POI019A2
POI019A2
POI019A2
POI020A2
POI020A2
POI020A2
POI020A2
POI020A2
POI020A2
POI020A2
POI020A2
POI020A2
KPOI001A
KPOI001A
KPOI001A
KPOI001A
KPOI001A
KPOI001A
KPOI001A
KPOI001A
KPOI001A
KPOI002A
KPOI002A
KPOI002A
KPOI002A
KPOI002A
KPOI002A
KPOI002A
KPOI002A
KPOI002A
KPO1003A
KPO1003A
KPO1003A
KPO1003A
KPO1003A
KPO1003A
KPO1003A
KPO1003A
KPO1003A
KPOI008A
KPOI008A
KPOI008A
KPOI008A
KPOI008A
KPOI008A
KPOI008A
KPOI008A
KPOI008A
KPOI009A
KPOI009A
KPOI009A
KPOI009A
KPOI009A
KPOI009A
KPOI009A
KPOI009A
KPOI009A
KPOI011A
KPOI011A
KPOI011A
KPOI011A
KPOI011A
KPOI011A
KPOI011A
KPOI011A
KPOI011A
WPT024C
WPT024C
WPT024C
WPT024C
WPT024C
WPT024C
WPT024C
WPT024C
WPT024C
151°15'
-33°15'
-33°30'
5 km
MapSend Lite v.2.00e Beta (build 1303). Copyright © 2006 Thales Navigation, Inc. All rights reserved.
Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Erina Creek Catchment Survey Report 13
MAP 3
GPS Survey Sites
Greater Area

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
5. Results and Discussion
Please note that results listed here reect the species at that site at that time. Over
time during different conditions different species or numbers may be present.
5.1 Crustaceans
5.1.1 Freshwater Craysh.
Prior to this research project only Euastacus australasiensis and Euastacus spinifer
were recorded from the Gosford LGA. Additionally, coastal habitats in NSW are known
to contain two undescribed species of freshwater craysh of genus Tenuibranchiurus
and Gramastacus and these were also targeted. There are no previous records of any
craysh occurring within the Erina Creek catchment.
Survey 100056-1 of Wamberal Lagoon identied two species of craysh in that
catchment, an endemic species Gramastacus sp and an invasive introduced species
Cherax destructor. Both these species were specically searched for in the area.
Both Wyong LGA to the north and Gosford LGA to the south represent a signicant
freshwater craysh distribution area. Though the knowledge base is small there seems
to be a cut off line roughly running from Wamberal Lagoon, through Narara and then up
through Central Mangrove that represents a species distribution line with one species
Euastacus spinifer occurring on both sides, two species Cherax setosus and Gramastacus
sp only north of the line and one species Euastacus australasiensis only south of the line.
This project will map that line and the distribution of these craysh species along the
line, and the surrounding region. A scientic manuscript on those ndings is proposed.
Figure 3. Erina Creek Euastacus spinifer grow large and are spiny
Erina Creek Catchment Survey Report 14

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
5.1.2 Euastacus Craysh
We were able to conrm the presence of Euastacus spinifer within this survey area. This
was good news and it was expected that Euastacus australasiensis would also be within
the survey area as they occur together throughout all the known E. australasiensis
distribution. However, despite our best effort we did not nd any indication of this
species within the survey area. This was unexpected and an enigma. This nding raises
more questions than answers and we are currently recommending a more intensive
search of the area as this Euastacus species is very secretive and reclusive so may have
just been missed in the survey.
Euastacus spinifer was conrmed in the Erina Creek catchment from a number of
different sites. Fires Creek, Holgate WPT001, WPT004, WPT005. Maddens Creek,
Matchum WPT007.
Figure 4. Erina Creek Euastacus spinifer
Erina Creek Catchment Survey Report 15

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
5.1.3 Gramastacus Craysh
No craysh have been collected within any of the catchment areas surveyed. Suitable
habitat areas were not recorded from the Erina Creek survey area.
5.1.4 Cherax Craysh
Yabbies Cherax destructor were not found within the catchment. This was a good sign
and it is hoped that better education will keep them out.
Figure 5. Freshwater Atyidae shrimp Paratya australiensis were common
5.1.5 Freshwater shrimp - Atyidae
Freshwater shrimp (Paratya australiensis) were well distributed throughout the Erina
Creek catchment which reects the health nature of the system. WPT001, WPT004,
WPT005, WPT006, WPT007, WPT009, WPT010, WPT0028, WPT029.
.
Erina Creek Catchment Survey Report 16

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
5.1.6 Freshwater Crabs
Freshwater crabs were targeted in this greater survey of the Gosford LGA. This is the
sixth survey of the region and to date we have not found crabs in any of the freshwater
environments. At Kincumber Creek and now Erina Creek we did nd crabs in freshwater.
However, these were not specically freshwater crabs. They were Haswell’s Shore
Crab Helograpsus haswellianus; these are marine crabs that penetrate into freshwater
environments.
Features: Pale honey-brown, varies to dark brown; body rounded; edge of carapace
behind eyes has single, small notch; legs smooth and slender without long bristles to 30
mm across.
Notes: Burrows among grass, under rocks or debris, at or above high water, on river
bank or well back on mud-at in moist clay to coarse, dirty sand. Sheltered bays and
estuaries; penetrates well up river. Indigenous, from SA along east coast north to
Mackay, Queensland.
Additionally, in the brackish water sections of the feeder streams and Erina Creek,
marine Mud Crabs Scylla serrate were common.
5.2 Fish Species
5.2.1 Poeciliidae
Gambusia holbrooki are an introduced species being a native of the United States. They
are a major pest that is having devastating repercussions on our native species. They
are livebeares protecting their eggs and young and an exceptionally robust species,
surviving in conditions that will kill most native species. They eat the same food as our
native species and can also eat the eggs and larvae of our native species and survive in
both fresh and marine environments. They are an exceptionally robust species surviving
in puddles, and yabbyholes in conditions that would kill our native species.
Mosquito Fish Gambusia holbrooki were captured from across the Erina Creek catchment.
WPT001, WPT002, WPT004, WPT005, WPT023, WPT006, WPT007, WPT008, WPT009,
WPT010. WPT013, WPT014, WPT017, WPT018, WPT019, WPT020, WPT021, WPT022,
WPT024, WPT025, WPT027, WPT028.
Figure 6. The plague minnow or mosquito fish Gambusia holbrooki
Erina Creek Catchment Survey Report 17

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Largest numbers were in the slower moving open sky areas. Mosquito sh prefer slow
moving water with open sky, they don’t like owing water with a heavy canopy. Most of
the upper catchments with good canopies only had very small numbers of mosquito sh.
Other pest and exotic sh species like swordtails, guppies, mollies, carp and goldsh
were all absent from the catchment. Much of eastern NSW is impacted by these pest
species and their absence in the survey area was fantastic news and very encouraging
for the future health of the local environment and prosperity of the native aquatic
fauna.
Figure 7. Pacific blue-eyes Pseudomugil signifier
5.2.2. Pseudomugilidae
Pacic blue-eyes are a native species and generally confused with Gambusia that are a
similar size and shape. They are a coastal native species with colouration in their ns
and a blue background to their eyes.
Pacic blue-eyes Pseudomugil signier were captured from Erina Creek WPT027 in the
main stream bed along the edges, numbers were not high, however, the effort involved
in collecting specimens was minimal and specimens were captured from different
locations.
Erina Creek Catchment Survey Report 18

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
5.2.3 Eleotridae
Empire gudgeons Hypseleotris compressa were captured at WPT004.
Flathead gudgeons Philypnodon grandiceps were captured in large numbers in Erina
Creek at WPT004. WPT007, WPT027, WPT028.
Figure 8. Flathead gudgeons Philypnodon grandiceps
5.2.4 Galaxiidae
Common jollytails Galaxias maculatus were quite common along the western side of the
peninsula and captured in good numbers from Green Point to Kilcare. Their presence
was exceptionally good news and does reect the improved water quality conditions
of this area. They are a common species that likes clear, clean owing water at low
elevations. Large numbers were present in Erina Creek at WPT004, WPT028.
Figure 9. Common jollytails were in large numbers within Erina Creek
Erina Creek Catchment Survey Report 19

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
5.2.5 Anguillidae
Freshwater eels Anguilla reinhardtii and Anguilla australis were expected to be in most
of the permanent creek systems, however, they were not targeted in this survey. Short
nned eels Anguilla australis were captured in a tributary of Erina Creek at WPT017.
Figure 10. Freshwater eel Anguilla australis from a tributary of Erina Creek
5.3 Mollusca
5.3.1 Sphaeriidae
Pea shell freshwater mussels Pisidium sp., were found at the tributary of Erina Creek
crossing Marana Road, Springeld WPT019. Here they were in exceptionally good numbers
with dense populations. Sampling of the same stream further downstream only located
a few and further down again they were absent. They seemed to be consentrated in
the one small area. These mussels are extremely small with the largest specimens only
reaching 6 mm across the shell and the majority under 3 mm. A tributary of Erina Creek
crossing Marana Road, Springeld, at WPT019. Springeld Road at the reserve WPT020.
Erina Creek Catchment Survey Report 20

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Figure 12. Pea shell mussels
Figure 11. Pea shell freshwater mussels Pisidium sp.
5.3.2 Planorbidae
Freshwater snails Glyptophysa gibbosa were found in all areas except Nunns Creek. They
were in good numbers where suitable habitat was available so this was an excellent
sign. WPT007, WPT019, WPT020. WPT021, WPT023, WPT024.
Figure 13. Freshwater snails Glyptophysa gibbosa
Erina Creek Catchment Survey Report 21

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Figure 14. Flat shaped freshwater snails Helicorbis australiensis
Flat shaped freshwater snails Helicorbis australiensis were found at Marina Road,
Springeld, WPT019. These are small under 5 mm at shelled snails and good to see in
the area. This was exciting and adds signicantly to the biodiversity in the Erina Creek
catchment. A tributary of Erina Creek crossing Marana Road, Springeld, at WPT019.
Willow Road, Springeld WPT021.
Figure 15. Flat shaped freshwater snails
Figure 16. Helicorbis australiensis
Erina Creek Catchment Survey Report 22

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Figure 17. Spike awlsnails Allopeas
clavulinum
5.3.3 Subulinidae
At WPT019 Mariana Road I scooped some
snail shells that were unusual and sent
some photos to the Australian Museum
for conrmation. Turns out that these are
not aquatic snails but exotic terrestrial
snails and their shells were just in the
water. They are spike awlsnails Allopeas
clavulinum, a genus of small, tropical,
air-breathing land snails. They are a
native of East Africa but now they are widespread in NSW so if you come across them,
“Crush Them”.
5.4 Macroinvertebrates/Insect Larvae/Others
Macroinvertebrates were not a key component of this survey, more a by-catch. They
were recorded throughout the catchment in health quanities. Large numbers were
recorded from WPT005, WPT006, WPT007, WPT008, WPT010, WPT015, WPT017,
WPT019,WPT020, WPT021, WPT024.
Figure 19. Flat worms were common WPT019
Figure 18. Red wrigglers/midge larvae were
common WPT019
Figure 20. Giant water bugs were common at
WPT005
Figure 21. Seed shrimp were common WPT019
5.5 Birds
Birds were not a part of this survey, however, some of the species recorded are listed
here. They were the common species across the catchment but only in only small
numbers. Chestnut Teals (Anus castanea), Dusky Morhens (Gallinula tenebrosa), Brushturkey
(Alectura lathami), Pied cormorants (Phalaccrocorax melanoleucos).
Erina Creek Catchment Survey Report 23

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
5.6 Site Results
Generally the survey area was in relatively good condition, without any large aquatic
weed outbreaks and good aquatic biodiversity.
5.6.1 Holgate
A tributary of Erina Creek, Fires Creek drains this highly urbanised catchment. The rst
survey area was at the creek crossing Wattle Tree Road WPT001. Fires Creek was owing
with 200 mm visibility over a sandy/soil/rock substrate, some iron bacteria was present
but no aquatic weeds. Mostly shaded by intact riparian zones, with ferns and some
wandering jew, palms and taller trees creating good shade. The stream had deep pools
and shallower rife sections with a strong ow, it looked good. Euastacus spinifer were
in residence and as well as good numbers of Atyidae shrimp. What looked like platypus
burrows were also in this area.
Another smaller slow owing ephemeral stream, joined Fires Creek at this site. That
smaller stream was heavily clogged with Parrot’s Feather and iron bacteria, only
mosquito sh Gambusia holbrooki were present.
Figure 22. WPT001 Fires Creek crossing Wattle Tree Road
Erina Creek Catchment Survey Report 24

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Figure 23. WPT003 Pollard Close
Further upstream at Pollard Close WPT002 the creek was owing with some
iron bacteria, through cumbungi and soft reeds. The stream had deep pools
and shallow silted sections. Banks were a mixture of cabbage palms, bangalow
palms with some privet and lantana. Only Gambusia were present.
Another tributary of Fires Creek was sampled at the crossing of Manor Hill
Close WPT005. Here the stream was owing with some deeper iron bacteria,
cumbungi, soft reeds, overhanging willows, privet and scattered purple taros.
Aquatic biodiversity was good with a large number of macroinvertebrates,
beetles, boatman, mudeyes, etc. Of interest were giant water bugs Diplonychus
eques that were in
good numbers in
Figure 24. WPT005 Manor Hill Close
the deeper pools.
Atyidae shrimp and
plague minnows
Gambusia holbrooki
were also common.
Freshwater craysh
Euastacus spinifer
were present but
not in high numbers,
approximately 1 per
10 mtrs of stream
length.
Erina Creek Catchment Survey Report 25

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Another tributary of Fires Creek was viewed at the crossing of Talbingo Road
WPT003. The creek had steep banks and was heavily overgrown and was not
sampled due to lack of energy and inclination.
Figure 25. WPT004 Erina Creek at Milina Road
Erina Creek was samples at the road bridge on Milina Road WPT004. Here the
creek looked fantastic in excellent condition, no iron oc. Strongly owing with
300 mm visibility, soil/clay banks with lots of sticks and logs in the stream.
Euastcus spinifer burrows along the banks were common (2 per lineal mtr of
stream). Plague minnows were present. Flat headed gudeons Philypnodon
grandiceps were present. Empire gudgeons Hypseleotris compressa were
present. Common jollytails Galaxias maculatus were also present. Freshwater
shrimp Paratya australiensis were present.
Erina Creek Catchment Survey Report 26

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Figure 26. WPT023 Erina Creek at Gooriwa Road
A tributary of Erina Creek was sampled at Gooriwa Road, Holgate WPT023.
Here the creek was clear owing with a canopy of wattles, scattered eucalypts,
privet, ferns and lantana. Both freshwater snails and Gambusia holbrooki were
present.
Erina Creek was surveyed off Carlton Road, Holgate WPT029 (Figure 1).
The creek was owing, slightly turbid with deeper pools and shallow sandy
stretches. Sandy substrate and loose timber with a good riparian zone. The
creek looks healthy, shaded by scattered eucalypts, camphor laurels and
privet. Only Atyidae shrimp Paratya australiensis and indications of larger sh.
Erina Creek Catchment Survey Report 27

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
5.6.2. Matchum
Erina Creek was samples at the road bridge on Oak Road, Matchum WPT006.
The creek looked in excellent condition here without iron bacteria. It was
owing with lots of sticks and leaf litter in the water and sand/soil banks.
Both Atyidae shrimp and at headed gudgeons were present. Some plague
minnows Gambusia holbrooki were present as well as numbers of whirligig
beetles (Family, Gyrinidae).
Figure 27. Erina Creek, Oak Road, Matchum WPT006
Erina Creek Catchment Survey Report 28

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Figure 28. Maddens Creek crossing Oak Rd, WPT007
Maddens Creek crossing Oak Road was surveyed WPT007. Here the creek
was owing with some iron bacteria. Upstream was very open with camphor
laurel trees and manicured riparian zones. The creek was broad and shallow
clogged with aquatic weeds. Exotic purple cunjevois Colocasia esculenta as
well as native Conjevoi
Alocasia brisbanensis
were present. The
open sky creek
supported outbreaks of
exotic Parrot’s Feather
Figure 29. Maddens Creek, WPT007
or Brazilian Water
Milfoil Myriophyllum
aquaticum that is
a native of south
America. It grows fast
in sunny, nuitrient
rich waters and forms
dense stands that
impede waterow.
Erina Creek Catchment Survey Report 29

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Of more immediate concern was an outbreak of exotic Water Hyacinth,
Eichhornia crassipes, a native of the upper Amazon catchment, this is one of
the world’s worst aquatic weeds. Water hyacinth is a oating waterweed with
a brous root system and dark green rounded leaves up to 5 cm in diameter.
The leaf stalks are swollen into spongy, bulbous structures. They have owers
that are light purple with a darker blue/purple and yellow centred which make
them attractive for ornamental ponds and this leads to their spread.
In the Gosford City Council control area, water hyacinth is declared a Class 2
noxious weed under the NSW Noxious Weeds Act 1993. The declaration class
denes how the weed needs to be treated in your area. Class 2 states the
plant must be fully and continuously suppressed and destroyed.
Figure 30. Water hyacinths WPT007
Figure 31. Water Hyacinths have a thick root system that clogs waterways
Figure 32. Water Hyacinths WPT007
Erina Creek Catchment Survey Report 30

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Maddens creek downstream was more shaded and Giant Spiny Craysh Euastacus
spinifer were in residence in good numbers with burrows throughout the area
and specimens collected.
Flat headed gudeons
Philypnodon grandiceps,
plague minnows
Gambusia holbrooki,
freshwater snails
Glyptophysa gibbosa
and Atyidae shrimp
Paratya australiensis
were all present. Macro
invertebrates were
common including water
measurers Hydromtra
Figure 33. WPT007 Maddens Creek downstream side
spp.).
Maddens creek was sampled further upstream crossing Oak Road Matcham,
WPT008. Here the creek looks good, was owing, darker with a good canopy
cover, some privet, palms, camphaloral trees. Macroinvertebrates were
common including backswimmers (Family: Notonectidae) and some plague
minnows Gambusia holbrooki.
Figure 34. WPT008 Maddens Creek crossing Oak Road, Matcham
Erina Creek Catchment Survey Report 31

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Figure 35. WPT009 Erina Creek at Elaine Road upstream
Erina Creek was surveyed at the Elaine Road crossing, Matcham WPT009.
Here the creek looked good with owing water; upstream is a large pond
with mostly open sky, some cumbungi and large matts of parrots feather
clogging the stream. Downstream is well shaded by camphor laurel trees,
palms, ferns and privet,
etc. Atyidae shrimp and
Figure 36. WPT009 Erina Creek at Elaine Road downstream
Gambusia were present.
The site looked excellent
for juvenile craysh but
despite an intensive
investigation, no juvenile
craysh were detected.
There was starting to
develop a pattern of
ideal sites that should be
supporting juveniles, to
have none in residence.
Erina Creek Catchment Survey Report 32

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Erina Creek was surveyed at the Macham Road crossing, WPT010. Here the
creek was more turbid with some iron bacteria, it was gently owing with
deeper pools and a reasonable canopy of eucalypts, camphor laurels, palms,
privet, etc. Large numbers of macroinverebrates present, as well as Atyidae
shrimp and exotic Gambusia holbrooki.
Figure 37. Erina Creek at Matchum Road WPT010
Erina Creek Catchment Survey Report 33

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
5.6.3 Erina
A tributary of Erina Creek at Chetwynd Road, Erina, WPT025. Here the creek
was heavily sedimented and altered. The water was owing clear over a sandy
substrate, with scattered, eucalypts, wattles and willows. Only Gambusia
holbrooki was present.
The tributary of Erina Creek was surveyed again at the crossing of Jessie Hurley
Drive, Erina, WPT014. Here the creek was modied as a broad shallow area
with only plague minnows Gambusia holbrooki noticeably present. The creek
was clear and shallow, ltering through a bed of cumbungi and alarmingly
long-leaf willow primrose Ludwigia longifolia. Ludwigia longifolia is declared
a Class 3 or 4 noxious weed throughout some areas of NSW under the NSW
Noxious Weeds Act 1993. Where it is a Class 3 noxious weed it must be fully
and continuously suppressed and destroyed. Where it is a Class 4 noxious
weed, its growth and spread must be controlled according to the measures
specied in a management plan published by the local control authority.
Ludwigia longifolia is also listed a class 5 noxious weed throughout NSW. As
a notiable weed, all outbreaks of ludwigia longifolia must be reported to the
local council within three days. The plant must not be sold, propagated or
knowingly distributed.
Figure 38. WPT025 Chetwynd Rd
Figure 40. Ludwigia longifolia flower
Figure 39. Ludwigia longifolia
Erina Creek Catchment Survey Report 34

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Another tributary of this tributary to Erina Creek was surveyed at the Karalta
Road crossing, Erina, WPT013. Here the creek was more ephermeral and
only just owing with deep iron bacteria deposits. The creek was well shaded
with Gahnia, tree ferns, wattles and eucalypts. Only a Striped Mash Frog
Limnodynastes peronei was present.
Figure 41. WPT013 Karalta Road, Erina
Figure 43. Striped Marsh Frog
Figure 42. WPT040. Iron bacteria
was thick and deep
Erina Creek Catchment Survey Report 35

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Figure 44. WPT014, Ilya Road
Tributary of Nunns Creek was
surveyed at Ilya Road, Erina
WPT014. Here the creek was
wide, with open sky and full of
grasses, cumbundgi, gahnia,
etc.
Nunns Creek was surveyed
beside Legge Place, Erina,
WPT016. Here the creek was
clear owing with some iron
bacteria, a good canopy of
eucalypts, some lantana,
without any aquatic weeds. 50
metres of creek was surveyed
without any sign of freshwater craysh or any sign of life at all. Despite the
good look of the creek it was surprisingly devoid of life.
Nunns Creek proper was surveyed at WPT015, behind the archery range off
Ilya Road, Erina. Here the creek looked good, clear owing with slight iron
bacteria, sandy substrate with stick and leaf litter under a good tree canopy
and no aquatic weeds. There was no sign of freshwater craysh over the 70 m
section surveyed, no plague minnows just a few macroinvertebrates.
Figure 45. Nunns Creek at WPT015
Erina Creek Catchment Survey Report 36

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Erina Creek was surveyed at the end of Hammersmith Rd, Erina, WPT027
(cover photo). Here the creek is wide and deep owing through river oaks
and paperbark tree with scattered eucalypts and some lantana, the water is
slightly brackish. The creek has earthen banks with grass and reeds, some
aquatic plants.
The creek here was
very active with water
spiders, sea mullet
Mugil cephalus,
at head gudgeons
P h i l y p n o d o n
grandicepts, pacic
blue eyes Pseudomugil
signier and plague
minnows Gambusia
holbrooki.
A tributary of Erina
Creek was surveyed
at the crossing of
Portsmouth Road,
Erina, WPT028. Here
the creek was clear
and owing, the
upstream side of the
road was through
manicured lawns,
with scattered trees
providing shade. The
stream on this side
of the road looked
nice and was full of
Gambusia holbrooki.
The creeks through
Figure 46. Portsmouth Road, Erina WPT028.
lawns like this may
look nice for humans
but our native species
don’t enjoy the open
sky and lawn banks.
On the downstream side of the road the stream was well shaded with privet,
lantana, camphor laurels, eucalypts and ferns. The creek had large numbers
of common jollytails, Atyidae shrimp Paratya australiensis, plague minnows
Gambusia holbrooki plus several atheaded gudgeons Philypnodon grandiceps.
Erina Creek Catchment Survey Report 37

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
5.6.4 Springeld.
A tributary of Erina Creek was sampled at the crossing of Noorumba Road,
Springeld, WPT017. Here an ephemeral creek meandered beneath a palm
forest of bangalow and cabbage palms. The creek was a series of ponds and
pools, not running with some iron bacteria. Banks were soil and substrate
was a dark rich soil with palm fronds and heavy leaf litter in the pools. Some
bush regeneration work was in progress in the area and it was most pleasant
surveying there. Macroinvertebrates were common, mostly backswimmers
with some mudeyes. Plague minnows were present in small numbers as well
as short nned eels Anguilla australis.
Figure 47. WPT017 Noorumba Road
Figure 48. Freshwater eels were common
at WPT017
The same creek was surveyed further down at the
corner of Noorumba and Wells Street WPT024. Here
the creek was draining through a large swampy
area with Gahnia sp and water ribbons. Gambusia
holbrooki, freshwater snails and macoinvertebrates.
Erina Creek Catchment Survey Report 38

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
A small tributary of Erina Creek crossing Wells Road, Springeld was surveyed
WPT018. Here the creek was little more than a shallow drain below a canopy
of lantana and river oaks. Just a few Gambusia holbrooki present.
Figure 49. WPT018 Wells Road, Springfield
Another tributary of Erina Creek crossing Marana Road near the corner of
Springeld Road, Springeld was surveyed at WPT019. This was an exciting
site with fantastic biodiversity. Upstream was a shallow swampy area with
clear owing water running through soft reeds and grasses with banks of ferns,
gahnia, some lantana, privet and larger eucalypts, with the odd cabbage palm.
Downstream it was more channeled with the water owing through cumbungi
with scattered long leaf willow primrose just starting to be established. Iron
bacteria levels were high, yet biodiversity was unbelievably good.
Erina Creek Catchment Survey Report 39

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Sampling indicated that the following was present; Lots of tadpoles and plague
minnows Gambusia holbrooki. Not a lot of large animals but the macro was
spectacular, all the usual suspects, mudeyes, boatmen, beetles and bugs but
also; lots of red wriggler mids (Family: Chironomidae) were also abundant;
freshwater leaches (Phylum: Annelida), at worms ( Phylum: Platyhelminthes),
and nematodes (Phylum: Nematoda) were all abundant.
Figure 50 WPT019, Marana Road, Springfield
Native at snails Helicorbis australiensis, are tiny at snail only 3-6 mm wide.
These were a rst for the Gosford LGA. Pea shell mussels Pisidium sp., are a
tiny freshwater mussel only 3-6 mm wide. They were in huge numbers at this
site and we surveyed the stream further downstream and only found a few, but
further downstream nothing. These were another rst for the Gosford LGA and
were exciting to nd. As were seed shrimp or Ostracods a small crustacean,
typically around 1 millimetre in size. Their bodies are attened from side to
side and protected by a bivalve-like, chitinous or calcareous valve or “shell”.
The hinge of the two valves is in the upper region of the body.
Freshwater snails Glyptophysa gibbosa were common. Also another species of
land snail which seems to be the spiked awlsnail an exotic species. The spike
awlsnail Allopeas clavulinum is a small, tropical, air-breathing land snail that
must be in the plants above the swamp as the empty shells were scooped
from the water with the other aquatic species.
Erina Creek Catchment Survey Report 40

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
The same tributary was
sampled further downstream on
Springeld Road at the reserve
WPT020. The stream was
owing, with lots of sticks and
leaf litter and a fair amount of
domestic rubbish in the stream,
this would be a good candidate
stream for a rubbish removal.
It was parkland with scattered
eucalypts, vines, cumbungi and
Figure 51. WPT020 Springfield Road
soft reeds in the stream. We
were looking for more mussels
but numbers here were greatly reduced, despite an intensive effort we only
found 3 small pea mussels. Gambusia holbrooki were present in good numbers
plus a few mudeyes.
The same tributary was sampled
further down at Willow Road,
Springeld WPT021. The creek
was owing with scattered
Eucalypts, ferns and privet
providing a good canopy. No
freshwater pea mussels were
present, just a few mudeyes,
Gambusia holbrooki and
freshwater snails.
Figure 52. WPT021 Willow Road, Springfield Another tributary of Erina Creek
was surveyed at Clarence Road,
Springeld WPT022. This was a
small owing creek with deep
iron bacteria and was at the tidal limit. In the freshwater were Haswells shore
crabs and some Gambusia holbrooki. Further down towards Erina creek in the
brackish water area were a number of large mudcrab burrows along the bank.
Erina Creek Catchment Survey Report 41

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
6 Conclusion
Erina Creek is surrounded by highly urbanised environments. Much of the creek
and its tributaries have intact riparian zones and reserves are common which
does much to improve water quality and aquatic biodiversity. The catchment
includes unique areas like the tributary of Erina Creek crossing Marana Road
near the corner of Springeld Road, Springeld. Iron bacteria was present at
this site but aquatic biodiversity was fantastic and this area should be classed
as a signicant aquatic biodiversity site.
Euastacus australasiensis was not found which raises questions and requires
further research. Our initial thoughts are that the surrounding mountains
from which water drains to Erina Creek are relatively low and don’t support
the higher altitude streams which E. australasiensis prefer. The presence of
Euastacus spinifer was conrmed which was a key component of the greater
research project. Larger animals were in reasonable numbers across the
catchment but small juveniles which should have been in greater numbers
were surprisingly absent. Not one juvenile under 2 years of age was captured
or observed from the entire catchment during our surveys. This may reect
several years of poor breeding conditions or other factors.
Most of the catchment was in good condition and it was obvious that local
environmental/landcare groups were active and making a positive contribution
to the riparian zones and overall stream health.
7 Recommendations
This survey records the current status of the ecological health of streams
in the survey area. Currently they are generally in reasonable health with
this survey providing a baseline for any future comparisons. The following
recommendations are offered to Gosford City Council and the local Erina Creek
community for the survey area.
• Continued support and encouragement of local environmental
community or landcare groups to continue with riparian regeneration
and weed control, etc.
• Many sections of stream traverse suburban backyards with open sky
and manicured lawns to the waters edge. This practice needs to be
discouraged and trees planted along the stream edges to provide
shade on the stream and discourage exotic weeds and pest species
that prefer the open sky streams.
• The outbreak of Water Hyacinth, Eichhornia crassipes at Maddens
Creek crossing Oak Road, Matchum, WPT007 needs to be supressed.
• Biodiversity monitoring of the freshwater catchment streams on an
ongoing basis would also be recommended. To obtain signicant
information approximately 6 sites should be monitored for aquatic
biodiversity twice per year (winter/summer) on the same day and then
over time trends can be seen, etc.
• Water quality monitoring of the freshwater catchment streams on
an ongoing basis would also be recommended. To obtain signicant
Erina Creek Catchment Survey Report 42

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
information approximately 6 sites should be monitored for water
quality twice per year (winter/summer) on the same day and then
over time trends can be seen, etc.
• Continue to educate the residents and commercial entities on pollutant
reduction at source.
• Continue to educate the residents and commercial entities on the
dangers of exotic ora and fauna and the consequences of escape into
the environment.
• Continue to educate the residents and commercial entities on aquatic
weeds and how to identify outbreaks, with monitoring of their local
streams to identify outbreaks early.
• Encourage local residents to become a member of the local community
Landcare or environmental group, to help conserve and improve their
local stream and riparian zones.
• Consider the aquatic swamps and creeks at Marana Road near the
corner of Springeld Road, Springeld, to be protected due to the
stunning macro aquatic biodiversity of the area.
8 Acknowledgements
Sponsorship for the Erina Creek catchment survey was supported by Gosford City
Council under the Ecological Research Grants Program 2010 and we are thankful
to Gosford City Council and Michael Ebert, Environment Ofcer, Education and
Compliance.
Unless otherwise referenced, information presented in this report, has arisen from
recent biological surveys undertaken as part of the broader Australian Craysh Project
and Australian Aquatic Biological Survey and we are thankful to Australian Aquatic
Biological Pty Ltd for sponsoring that work and for providing access to laboratory and
eld equipment.
There are a number of people to thank for their assistance with this report; our
thanks to Dr Stephen Keable, Collection Manager, Marine Invertebrates (Natural
Science Collections) Australian Museum, for his help, support and assistance with
making the Australia Museum collection available for study; Helen Stoddart and
Rodger Springthorpe (Australian Museum) for all the work I keep creating for them,
I really do appreciate all your efforts, much thanks; Janet Waterhouse, (Australian
Museum) for assistance with the conrmation of identication of the freshwater
snails in the Gosford LGA; Amanda (Australian Museum), Mark McGrouther (Australian
Museum) and Justin Stanger (NSW DPI Fisheries) for assistance with gudgeon and
other sh identication; Brian Patterson, Palm Grove Ourimbah Creek Landcare Inc.,
https://sites.google.com/site/palmgroveourimbahcreeklandcare for help with weed/
plant identication.
All collections were authorized by the NSW Department of Industry and Investment
under Scientic Collection Permit P05/0077-4.1. Special thanks to Bill Talbot
(Director, Fisheries and Aquaculture) for organizing our permit.
All collections were authorized by the National Parks and Wildlife Service, under
Erina Creek Catchment Survey Report 43

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
Scientic Licence S13112.
9 References:
Allen, G.R., Midgley, S.H., Allen, M., 2002. Field Guide to The Freshwater
Fishes of Australia. CSIRO Publishing. ISBN 0-7307-5486-3.
Australian Craysh Project, 2005 – 2010. Collection records c/- Australian
Aquatic Biological Pty Ltd, Karuah NSW Australia.
Coughran, J., McCormack, R.B., Daly, G. 2009. Translocation of the Yabby,
Cherax destructor, into eastern drainages of New South Wales, Australia.
Australian Zoologist. Vol 35 (1).
Gooderham, J., Tsyrlin, E. 2009. The Waterbug Book. CSIRO Publishing ISBN
0-643-06668-3.
McCormack, R.B. Horwitz, P. (in prep). Gramastacus n. sp. (Decapoda:
Parastacidae): A new species of freshwater craysh from coastal New South
Wales, Australia. (Peer-reviewed scientic journal article).
McCormack, R.B. Horwitz, P. Coughran, J. (in prep). Conservation of
Imperilled Craysh – Gramastacus sp. nov. (decapoda: parastacidae), a
lowland coastal craysh from the central & mid north coast, New South
Wales, Australia. (Peer-reviewed scientic journal article).
McCormack, RB. 2008 “The Freshwater Craysh of NSW Australia”
Australian Aquatic Biological Pty Ltd., Karuah, NSW. ISBN 978-0-9805144-
1-4
Weeds of National Signicance, Weed Management Guide. CRC for Australian
Weed Management and the Commonwealth Department of the Environment
and Heritage.
http://www.weeds.gov.au/publications/guidelines/wons/pubs/c-caroliniana.
pdf
Erina Creek Catchment Survey Report 44

Australian Aquatic Biological Report 100056-6 Erina Creek Catchment March 2012
version creator lat lon Height ns1:name7 ns1:cmt ns1:sym
1.1 MapSendLite 33.39946 151.41219 42 WPT001 (1001)Atyidaespec3661,platypusburrow CrossedSquare
1.1 MapSendLite 33.39258 151.42855 45.67627 WPT002 (1002)gambusia CrossedSquare
1.1 MapSendLite 33.40323 151.4056 25.830322 WPT005 (1003)ManorHill.spinifer,gambusia,macro CrossedSquare
1.1 MapSendLite 33.40948 151.40256 25.137695 WPT003 (1004)Talbingo.deep CrossedSquare
1.1 MapSendLite 33.42086 151.40255 39.172607 WPT004 (1005)ErinaCk.spinifer,gudgeons,shrimp CrossedSquare
1.1 MapSendLite 33.41466 151.409494 15.978271 WPT006 (1006)gudgeon,shrimp CrossedSquare
1.1 MapSendLite 33.41045 151.41345 22.324219 WPT007 (1007)Spinifer,hyathinth CrossedSquare
1.1 MapSendLite 33.40491 151.42364 22.342041 WPT008 (1008)Gambusiaandbackswimmers CrossedSquare
1.1 MapSendLite 33.4113 151.42774 35.929443 WPT009 (1009)3680,81Shrimp/Gambusia.NOSpin CrossedSquare
1.1 MapSendLite 33.41119 151.43094 24.91333 WPT010 Shrimp/Gambusia/macros CrossedSquare
1.1 MapSendLite 33.43357 151.39634 23.239014 WPT011 (1013) CrossedSquare
1.1 MapSendLite 33.43731 151.40565 11.659912 WPT012 (1014)Gambusia,willowprimrose CrossedSquare
1.1 MapSendLite 33.44094 151.39906 23.859863 WPT013 (1015)StripedMarshFrog CrossedSquare
1.1 MapSendLite 33.44213 151.38624 30.001953 WPT014 (1016)cumbungi CrossedSquare
1.1 MapSendLite 33.44085 151.38339 24.111328 WPT015 (1017) CrossedSquare
1.1 MapSendLite 33.44399 151.38545 9.125488 WPT016 (1018) CrossedSquare
1.1 MapSendLite 33.42905 151.37576 14.488037 WPT017 (1019)eelandmacros CrossedSquare
1.1 MapSendLite 33.43194 151.36905 39.015137 WPT018 (1020)gambusia CrossedSquare
1.1 MapSendLite 33.42395 151.3691 14.438477 WPT019 (1021)snails,mussels3685 CrossedSquare
1.1 MapSendLite 33.42587 151.36864 32.588379 WPT020 gambusia,fewmussels CrossedSquare
1.1 MapSendLite 33.4296 151.37112 12.592529 WPT021 (1022) CrossedSquare
1.1 MapSendLite 33.43219 151.38208 16.47998 WPT022 (1023) CrossedSquare
1.1 MapSendLite 33.41964 151.39233 17 WPT023 (1024)Gambusiaandsnails CrossedSquare
1.1 MapSendLite 33.430474 151.376057 14.282227 WPT024 CrossedSquare
1.1 MapSendLite 33.43357 151.39634 11 WPT025 Gambusiaholbrooki CrossedSquare
1.1 MapSendLite 33.41964 151.39233 69.818604 WPT026 test CrossedSquare
1.1 MapSendLite 33.43174 151.389534 12.594727 WPT027 4traps.Gambusia,blueeyes,flatheads,shrim CrossedSquare
1.1 MapSendLite 33.428626 151.403367 14.537598 WPT028 Gambusia,jollytails,Flatheads,Shrimp CrossedSquare
1.1 MapSendLite 33.423515 151.395117 8.102539 WPT029 shrimp CrossedSquare
Appendix A
Erina Creek Catchment Survey Report 45