Biodiversity Strategy - Gosford City Council - NSW Government

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Figure 3: Native Vegetation by Land Ownership Biodiversity Strategy Page 15
Table 2: Statistics on Gosford's waterways There is approximately 60 km of major tidal waterways that cover an estimated area of 10,000 ha. This estimate does not include ephemeral streams or those that have been piped to accommodate development. (GCC GIS) There is 50 km of beaches and rocky coastline. There is approximately 100 ha of sandy beaches on the open coast and approximately 30 ha of inter-tidal rock platforms. (GCC GIS) There is approximately 900 ha of mangrove habitat, which is protected under NSW Fisheries legislation. (Bell 2004) There is approximately 200 ha of saltmarsh, which is listed as an endangered ecological community. (Bell 2004) There is over 700 ha of seagrass meadows, including the protected Posidonia australis, or strap weed. Seagrass meadows in Brisbane Water support a high diversity of Signathid fishes which includes pipe fish and seahorses. (Technical Report 2008) Gosford LGA currently contains a large number of species and ecosystem diversity with some plants and animals occurring at the southern or northern extent of their natural distribution in the area. At the same time there are over eighty five (85) threatened animals, approximately twenty (20) threatened plants and eleven (11) endangered vegetation communities known to occur in the LGA. These are recognised as being at risk of extinction unless the circumstances threatening their survival are addressed. The benefits of conserving biodiversity are evident and will allow Gosford to also continue to be a beautiful and diverse area that enriches the lives of residents and attracts visitors to the area. 2.2 Threats to Biodiversity Like coastal areas within close proximity to major cities, Gosford continues to experience population growth with the resultant development pressures that in turn can place pressure on biodiversity. Land subdivision (in particular of Rural and Environmental zoned lands), the desire for larger dwellings and associated works and the need for bushfire protection all have the potential to place pressure on the local native species and ecosystems. The Draft Central Coast Regional Strategy proposes an increase in Gosford City's population, with an increase of 13,000 residential dwellings with an increase of 23,000 additional people by 2031 (Department of Planning 2004). Should the Region's water supply be secured in the long term this population threshold may increase and it is noted that within the existing urban zones there is potential to accommodate approximately 34,200 people. The urban fringe areas are generally zoned for rural small holdings which permits a minimum lot size of 2 hectares. This zone is generally located on land adjoining the urban areas and can acts as a buffer between the independent coastal settlements and the vegetated Conservation zoned land and/or public COSS reserves. The erosion of this buffer zone for urban development could have an adverse impact on the biodiversity if not managed appropriately. There are a range of Key Threatening Processes that are applicable to Gosford and may reduce biodiversity if not appropriately managed. The key threatening processes identified by the Federal Government that are potentially relevant to our area include: • Competition and land degradation by feral animals such as rabbits and possibly other domestic animals such as goats and pigs. • Dieback caused by the root-rot fungus (Phytophthora cinnamomi) • Infection of amphibians with chytrid fungus resulting in chytridiomycosis • Injury and fatality to vertebrate marine life caused by ingestion of, or entanglement in, harmful marine debris • Land clearing Biodiversity Strategy Page 16
Page 1 and 2: Gosford City Council BIODIVERSITY S
Page 3 and 4: CONTENTS 1 INTRODUCTION............
Page 5 and 6: A - 4.5 Climate ...................
Page 7 and 8: 1 INTRODUCTION In accordance with C
Page 9 and 10: • Local interest groups such as B
Page 11 and 12: GOSFORD VISION 2025 INTERNATIONAL C
Page 13 and 14: Council is placing the information
Page 15 and 16: 2 EXISTING SITUATION 2.1 Biodiversi
Page 17: ackdrop to areas of the City, conse
Page 21 and 22: example, of the approximately 83 di
Page 23 and 24: • Biodiversity is best conserved
Page 25 and 26: 6 Council to consider the developme
Page 27 and 28: Actions • Enhancing community edu
Page 29 and 30: 5 Develop and implement strategies
Page 31 and 32: Appendix Gosford City Council BIODI
Page 33 and 34: CONTENTS APPENDIX GOSFORD CITY COUN
Page 35 and 36: A - 7.7 Human Interactions with Nat
Page 37 and 38: Genetic diversity is the variety of
Page 39 and 40: Biodiversity - Technical Report Pag
Page 41 and 42: A - 2.0 LEGISLATIVE CONTEXT The dev
Page 43 and 44: Amendment Act 2004 Standard Instrum
Page 45 and 46: areas within the Greater Metropolit
Page 47 and 48: A - 2.3.2 Council Corporate Reporti
Page 49 and 50: Biodiversity Toolbox The Commonweal
Page 51 and 52: A - 2.4 Discussion of Comparable Pl
Page 53 and 54: Biodiversity - Technical Report Pag
Page 55 and 56: A - 2.6 References Australian Local
Page 57 and 58: • Bushcare Program - ongoing •
Page 59 and 60: A - 3.2 Appraisal of biodiversity p
Page 61 and 62: Officer Table 3.2. Area of properti
Page 63 and 64: and sub-communities and to provide
Page 65 and 66: the Central Coast. The returned sur
Page 67 and 68: Council received funding for develo
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Council commissioned the Bush Stone
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education and training opportunitie
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of urban development applications w
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Unmanaged cattle grazing can impact
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Three public schools in the catchme
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Milestone 5 - Monitoring and Report
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A - 3.4 References Australian Museu
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(see Figure 4. 3) which accounts fo
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Newcastle and forms a major barrier
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Mooney Mooney and Mangrove Creeks.
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Aeolian Landscapes Beach Landscapes
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A - 4.5 Climate Generally the clima
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Kangaroo, possums, flying squirrels
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A - 4.9 Current Landuse Since the 1
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State government is also preparing
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A - 5.0 TERRESTRIAL BIODIVERSITY Th
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Lily) was once relatively widesprea
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Figure 5.1 Native vegetation commun
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Biodiversity - Technical Report Pag
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There have been few quantitative st
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• Rainforest • Wetlands • Dun
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Figure 5.5 Endangered ecological co
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of streams for water quality purpos
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Figures 5.5 - 5.7 Waratah (Telopea
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A - 5.4 A - 5.4.1 Terrestrial Fauna
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A - 5.4.3 Invertebrates There conti
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A draft Recovery Plan has been prep
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assumption that occupancy of a site
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Variables such as ‘proportion of
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Mount Kincumba to Bouddi NP and Cop
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A - 5.7 References Anon (1996) 'Sev
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Scotts D (1991) “Old-growth fores
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A - 6.2 Aquatic Habitats A - 6.2.1
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considered. This is true for all ri
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this zone are isolated Casuarina gl
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The Hawkesbury River The Hawkesbury
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Gulls (Larus novaehollandiae); Pied
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Patonga Creek Little information is
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A particular objective of the above
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northeast lies the suburb of North
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Figure 6.11 Weedy Seadragon (Phyllo
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Lisarow Wetland Lisarow Wetland is
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• appropriately timed collection
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A - 6.3 References ANZECC (1992) Au
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Almost thirty key threatening proce
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Whilst these two species appear mor
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Low (1999) surmised that this fungu
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A - 7.8 Fire Management Fire manage
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1. Salinity mediated processes - Sa
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• Structural flood mitigation wor
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Increased needs for active recreati
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A - 7.14 References Anderson, C (20
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Biodiversity Strategy - Gosford City Council - NSW Government

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