State of the Bay Report 2011-Final.pdf - Anchor Environmental
State of the Bay Report 2011-Final.pdf - Anchor Environmental
State of the Bay Report 2011-Final.pdf - Anchor Environmental
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
<strong>State</strong> <strong>of</strong> Saldanha <strong>Bay</strong> & Langebaan Lagoon <strong>2011</strong><br />
Fish<br />
Table 9.1<br />
Average abundance <strong>of</strong> fish species (number.m -2 ) recorded during annual beach seine-net surveys in Small <strong>Bay</strong> Saldanha. (Ave. = average, SE = standard<br />
error). Species not previously recorded are shown in bold font.<br />
Year Apr-94 Oct-05 Apr-07 Apr-08 Apr-09 Apr-10 Apr-11<br />
Species Common name Ave SE Ave SE Ave SE Ave SE Ave SE Ave SE Ave SE<br />
A<strong>the</strong>rina breviceps silverside 1.3084 0.4004 0.0410 0.0136 0.9690 0.1802 1.6505 0.6931 0.109 0.052 0.3397 0.1121 0.6420 0.2777<br />
Caffrogobius sp. goby 0.0160 0.0035 0.1294 0.0983 1.0888 0.5198 0.0162 0.0122 0.019 0.009 0.0039 0.0024 0.0307 0.0272<br />
Cheilidonichthys capensis gurnard 0.0022 0.0010 0.0082 0.0023 0.0003 0.0003 0.0004 0.0004 0.0006 0.0003 0.0007 0.0007<br />
Clinus latipennis False <strong>Bay</strong> Klipvis 0.0004 0.0004 0.0006 0.0006<br />
Clinus sp. larvae Klipvis larvae 0.0004 0.0004<br />
Clinus superciliosus super klipvis 0.0080 0.0018 0.0028 0.0016 0.0090 0.0044 0.0142 0.0049 0.0030 0.0022 0.0017 0.0007 0.0250 0.0104<br />
Diplodus sargus capensis black tail 0.0022 0.0017 0.0178 0.0086 0.0532 0.0202 0.4437 0.2204 0.062 0.043 0.0011 0.0011 0.0007 0.0007<br />
Etrumeus terres red eye sardine 0.0009 0.0009<br />
Gilchristella aestuaria estuarine round herring 0.0026 0.0020<br />
Gonorhynchus gonorhynchus beaked sand eel 0.0001 0.0001 0.0004 0.0004<br />
Haploblepherus<br />
pictus dark Shy Shark 0.0002 0.0002 0.0019 0.0019<br />
Heteromycteris capensis Cape sole 0.0049 0.0018 0.0017 0.0011 0.0162 0.0074 0.0022 0.0013 0.026 0.009 0.0108 0.0037 0.0185 0.0097<br />
Lithognathus sp steenbras sp. 0.0079 0.0037<br />
Liza richardsonii harder 0.6951 0.4400 0.5847 0.3283 2.1429 0.8870 0.8742 0.4165 0.4181 0.1867 1.1895 0.2816 38.4739 25.3006<br />
Mustelus mustelus smoothhound shark 0.0027 0.0022 0.0009 0.0007<br />
Myliobatis aquila eagle ray 0.0013 0.0005 0.0004 0.0003 0.0079 0.0074 0.0004 0.0004<br />
Pomatomus saltatrix elf 0.0009 0.0009 0.0013 0.0013 0.0003 0.0003 0.0007 0.0007<br />
Poroderma africana striped catshark 0.0009 0.0005<br />
Psammogobius knysnaensis Knysna sand gobi 0.0028 0.0026<br />
Raja clavata thornback skate 0.0011 0.0007<br />
Rhabdosargus globiceps white stumpnose 0.0618 0.0259 0.0079 0.0031 5.0564 1.1656 0.4191 0.1487 0.0562 0.0179 0.0822 0.0328 0.0244 0.0122<br />
Rhinobatos blockii bluntnose guitar fish 0.0009 0.0005 0.0013 0.0005 0.0153 0.0092 0.0007 0.0004 0.0010 0.0006 0.0008 0.0008 0.0006 0.0006<br />
Spondyliosoma emarginatum steentjie 0.0013 0.0009 0.0092 0.0072 0.0003 0.0003 0.0237 0.0237<br />
Syngnathus temminckii pipe fish 0.0022 0.0012 0.0037 0.0019 0.0257 0.0125 0.0004 0.0002 0.0035 0.0021 0.0033 0.0018<br />
Trachurus trachurus horse mackerel 0.0094 0.0094<br />
Total 2.11 0.51 0.81 0.32 9.37 2.30 3.46 1.17 0.70 0.21 1.64 0.26 39.25 25.21<br />
Number <strong>of</strong> species 24 16 14 14 15 12 12 13<br />
Number <strong>of</strong> hauls 59 5 12 6 12 12 12 12<br />
Total area sampled(m 2 ) 28025 2250 7200 3750 5600 4950 4275 3150<br />
199<br />
ANCHOR<br />
e n v i r o n m en t a l
Change language