Benthic Survey Results
Site Phylum Class Order Family Scientific Name Weight (g) Quantity Average weight (g)
1A Annelida Polychaeta Phyllodocida Glyceridae Glycera onomichiensis 0.1059 2 0.0530
Annelida Polychaeta Aciculata Phyllodocidae Eteone spp 0.0025 1 0.0025
Annelida Polychaeta Canalipalpata Cirratulidae Chaetozone spp 0.0060 1 0.0060
Annelida Polychaeta Phyllodocida Nereididae Nereis succinea 0.0610 2 0.0305
Annelida Polychaeta Phyllodocida Glyceridae Glycera rouxii 0.0114 2 0.0057
Annelida Polychaeta Orbiniida Orbiniidae Naineris laevigata 0.0037 1 0.0037
Annelida Polychaeta Scolecida Paraonidae Paradoneis spp 0.0236 8 0.0030
Annelida Polychaeta Aciculata Goniadidae Goniada spp 0.0007 1 0.0007
Annelida Polychaeta Scolecida Maldanidae Praxillela spp 0.0120 2 0.0060
Annelida Polychaeta Orbiniida Orbiniidae Scoloplos armiger 0.0017 1 0.0017
1B Annelida Polychaeta Scolecida Paraonidae Paradoneis spp 0.0223 4 0.0056
1C Mollusca Bivalvia Veneroida Veneridae Paphia undulata  0.0056 1 0.0056
  Annelida Polychaeta Orbiniida Orbiniidae Scoloplos armiger 0.0109 2 0.0055
  Annelida Polychaeta Scolecida Paraonidae Paradoneis spp 0.0007 1 0.0007
1D Annelida Polychaeta Aciculata Phyllodocidae Eteone spp 0.4338 4 0.1085
  Annelida Polychaeta Canalipalpata Serpulidae Hydroides elegans 0.0123 1 0.0123
  Annelida Polychaeta Aciculata Nephtyidae Aglaophamus inermis 0.0635 1 0.0635
  Annelida Polychaeta Phyllodocida Nereididae  Tylorrhynchus heterochaetus  0.0157 1 0.0157
  Annelida Polychaeta Aciculata Hesionidae Nereis spp. 0.0279 4 0.0070
  Annelida Polychaeta Phyllodocida Glyceridae Glycera onomichiensis 0.0264 2 0.0132
  Annelida Polychaeta Scolecida Paraonidae Paradoneis spp 0.0161 3 0.0054
  Annelida Polychaeta Orbiniida Orbiniidae Scoloplos armiger 0.0050 7 0.0007
1E Annelida Polychaeta Scolecida Maldanidae Praxillela spp 0.0158 2 0.0079
  Annelida Polychaeta Scolecida Paraonidae Paradoneis spp 0.0227 3 0.0076
1F Annelida Polychaeta Phyllodocida Nereididae  Tylorrhynchus heterochaetus  0.1149 3 0.0383
  Annelida Polychaeta Orbiniida Orbiniidae Naineris laevigata 0.0173 1 0.0173
  Annelida Polychaeta Scolecida Maldanidae Praxillela spp 0.0170 5 0.0034
  Annelida Polychaeta Phyllodocida Glyceridae Glycera onomichiensis 0.0199 1 0.0199
  Annelida Polychaeta Phyllodocida Hesionidae Leocrates chinensis  0.0746 1 0.0746
  Annelida Polychaeta Aciculata Phyllodocidae Eteone spp 0.1065 3 0.0355
  Annelida Polychaeta Scolecida Paraonidae Paradoneis spp 0.0094 4 0.0024
1G Annelida Polychaeta Aciculata Goniadidae Goniada spp 0.0008 1 0.0008
  Annelida Polychaeta Phyllodocida Capitellidae Notomastus latericeus 0.0017 1 0.0017
1H Annelida Polychaeta Aciculata Goniadidae Goniada spp 0.0010 1 0.0010
  Mollusca Bivalvia Veneroida Veneridae Paphia undulata  0.0056 1 0.0056
Jan-12
Sediment Size Distribution Range
Parameter   Station 1
Size Spectrum (Percentage of sand/silt/clay) Size Spectrum (>2000mm), % 0.2~0.3
Size Spectrum (63-2000mm), % 12~14
Size Spectrum (<63mm), % 86~87
Benthic Survey Results
Site Phylum Class Order Family Scientific Name Weight(g) Quantity Average Weight(g)
1A Annelida Polychaeta Canalipalpata Cirratulidae Chaetozone spp. 0.0296 1 0.0296
  Annelida Polychaeta Aciculata Sigalionidae Leanira japonica 0.0870 1 0.0870
Annelida Polychaeta Orbiniida Orbiniidae Naineris laevigata 0.0325 2 0.0163
Annelida Polychaeta Aciculata Nephtyidae Aglaophamus inermis 0.0310 2 0.0155
Annelida Polychaeta Eunicida Lumbrineridae Lumbrineris spp. 0.0800 3 0.0267
Arthropoda Crustacea Decapoda Ocypodidae Tmethypocoelis ceratophora 6.9825 1 6.9825
1B Annelida Polychaeta Scolecida Paraonidae Paradoneis spp. 0.0170 4 0.0043
  Annelida Polychaeta Orbiniida Orbiniidae Naineris laevigata 0.0048 4 0.0012
Annelida Polychaeta Aciculata Onuphidae Diopatra spp. 0.0039 1 0.0039
Annelida Polychaeta Eunicida Lumbrineridae Lumbrineris spp. 0.0012 2 0.0006
1C Annelida Polychaeta Orbiniida Orbiniidae Naineris laevigata 0.0001 1 0.0001
  Annelida Polychaeta Scolecida Maldanidae Praxillela spp. 0.0105 7 0.0015
Annelida Polychaeta Scolecida paraonidae Paradoneis spp. 0.0269 5 0.0054
Annelida Polychaeta Phyllodocida Glyceridae Glycera onomichiensis 0.0047 1 0.0047
Annelida Polychaeta Aciculata Onuphidae Diopatra spp. 0.0032 1 0.0032
Annelida Polychaeta Phyllodocida Nereidae Perinereis spp. 0.0243 1 0.0243
Annelida Polychaeta Canalipalpata Terebellidae Loimia medusa 0.0040 1 0.0040
1D Annelida Polychaeta Orbiniida Orbiniidae Naineris laevigata 0.0025 1 0.0025
  Annelida Polychaeta Canalipalpata Serpulidae Hydroides elegans 0.0010 1 0.0010
Annelida Polychaeta Scolecida Paraonidae Paradoneis spp. 0.0030 1 0.0030
Annelida Polychaeta Canalipalpata Ampharetidae Amphisamytha 0.0066 2 0.0033
1E Annelida Polychaeta Scolecida Maldanidae Praxillela spp. 0.0189 5 0.0038
  Annelida Polychaeta Canalipalpata Cirratulidae Chaetozone spp. 0.0125 1 0.0125
Annelida Polychaeta Orbiniida Orbiniidae Naineris laevigata 0.0041 1 0.0041
Annelida Polychaeta Aciculata Goniadidae Goniada spp. 0.0117 1 0.0117
Annelida Polychaeta Scolecida Paraonidae Paradoneis spp. 0.0097 1 0.0097
Annelida Polychaeta Scolecida Capitellidae Mediomastus californiensis 0.0066 2 0.0033
1F Annelida Polychaeta Scolecida Maldanidae Praxillela spp. 0.0010 1 0.0010
  Annelida Polychaeta Aciculata Onuphidae Diopatra spp. 0.0887 1 0.0887
Annelida Polychaeta Orbiniida Orbiniidae Naineris laevigata 0.0096 1 0.0096
Mollusca Bivalvia Veneroida Veneridae Tapes virgineus 5.4170 1 5.4170
1G Annelida Polychaeta Orbiniida Orbiniidae Naineris laevigata 0.0298 5 0.0060
  Annelida Polychaeta Scolecida Capitellidae Mediomastus californiensis 0.0040 1 0.0040
Annelida Polychaeta Aciculata Hesionidae Nereis spp. 0.0006 1 0.0006
Annelida Polychaeta Aciculata Sigalionidae Leanira japonica 0.0012 1 0.0012
Annelida Polychaeta Canalipalpata Cirratulidae Chaetozone spp. 0.0088 1 0.0088
1H Annelida Polychaeta Eunicida Lumbrineridae Lumbrineris spp. 0.0100 2 0.0050
  Annelida Polychaeta Aciculata Phyllodocidae Eteone spp. 0.0050 1 0.0050
Annelida Polychaeta Aciculata Polynoidae Polynoe spp. 0.0080 1 0.0080
Annelida Polychaeta Phyllodocida Glyceridae Glycera onomichiensis 0.0347 2 0.0174
Annelida Polychaeta Canalipalpata Cirratulidae Chaetozone spp. 0.0032 12 0.0003
Annelida Polychaeta Scolecida Maldanidae Praxillela spp. 0.1950 14 0.0139
Annelida Polychaeta Solecida Cossuridae Cossurella spp. 0.0370 2 0.0185
Annelida Polychaeta Aciculata Onuphidae Diopatra spp. 0.0131 1 0.0131
Annelida Polychaeta Aciculata Phyllodocidae Phyllodole fristedti 0.0086 3 0.0029
Annelida Polychaeta Aciculata Eunicidae Eunice indica 0.0219 1 0.0219
Annelida Polychaeta Orbiniida Orbiniidae Naineris laevigata 0.0192 3 0.0064
Feb-10
Sediment Size Distribution Range
Parameter   Station 1
Size Spectrum (Percentage of sand/silt/clay) Size Spectrum (>2000mm), % 14~18
Size Spectrum (63-2000mm), % 23~28
Size Spectrum (<63mm), % 55~62