Application 124771 - Ministry of Fisheries

CAWTHRON INSTITUTE | REPORT NO. 2134 MAY 2012
Table 1. Average and relative abundances (%) of the 10 most common infauna and epifauna taxa collected from grab samples within six control and eight
reference farm sites in Coromandel (See Appendix 4 for full species list).
Con Con Con Con Con Con
Rel.
1 2 3 4 5 6
Av. abund.
Taxa
INFAUNA
Common Name Nth Nth Nth Sth Sth Sth Farm1 Farm2 Farm3 Farm4 Farm5 Farm6 Farm7 Farm8 abund. (%)
Heteromastus filiformis Polychaete worm 13 1 2 14 3 1 2 41 4 12 8 5 3 3 10 13
Prionospio multicristata Polychaete worm 14 10 15 8 3 4 4 76 1 1 15 11
Theora lubrica Window Shell 1 1 2 4 4 4 7 15 18 6 3 16 11 6 7 9
Prionospio yuriel Polychaete worm 3 2 3 1 1 3 3 22 18 4 2 10 8 7 9
Sphaerosyllis sp. Polychaete worm 23 8 1 6 24 2 4 1 5 2 9 7
Ophiuroidea Brittle stars 12 1 2 3 4 10 5 3 2 5 4
Armandia maculata Polychaete worm 4 1 8 6 7 2 2 16 3 3 6 4
Sigalionidae Polychaete worm 2 1 2 2 3 3 3 4 5 3 3 2 5 2 3 4
Oligochaeta Oligochaete worms 1 1 5 3 4 1 2 18 5 3
Cirratulidae
EPIFAUNA
Polychaete worm 2 2 2 1 1 3 15 2 3 4 1 6 2 3 3
Phoxocephalidae Amphipod (family) 3 2 4 12 14 38 16 25 2 108 3 5 21 33
Decapoda (larvae unid.) UI Crab Larvae 99 1 66 13
Cumacea Cumaceans 4 2 1 2 2 2 2 4 3 1 1 42 3 2 6 9
Melitidae Amphipod 19 1 1 38 1 2 2 2 3 3 10 2 5 7
Sigapatella novaezelandiae Slipper shell snail 57 57 4
Petrolisthes elongatus Half crab 1 1 7 3 1 2 1 1 9 3 3
Aoridae Amphipod (Family) 4 3 3 1 14 2 4 2
Anthopleura aureoradiata Anemone 3 2 16 9 2
Pinnotheres novaezelandiae Mussel Pea Crab 14 14 2
Philine auriformis White Sea Slug 3 2 1 2 2 1 2 3 1 2 2
Average # of Individuals 151 22 21 95 22 16 108 223 105 77 81 228 65 50
Average # of Taxa 33 16 11 24 12 10 28 27 23 16 23 28 20 16
Pielou’s Evenness 0.89 0.95 0.92 0.73 0.94 0.97 0.89 0.75 0.79 0.73 0.88 0.77 0.88 0.80
Shannon Wiener Diversity 2.90 2.61 2.15 2.27 2.28 2.22 2.89 2.21 2.46 1.93 2.68 2.36 2.63 2.20
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