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Table 2 The percentage abundance of mesozooplankton taxonomic groups in the upper 1,000 m

From: Mesozooplankton community structure in the upper 1,000 m along the western Bay of Bengal during the 2002 fall intermonsoon

Category Mixed layer Thermocline BT to 300 m 300 to 500 m 500 to 1,000 m
Amphipods 0.11 0.08 0.02 0.04 0.08
Anthozoans 0.01 0.21 - - -
Appendicularians 5.37 4.31 2.67 5.09 0.48
Bivalves 0.07 0.06 0.02 0.00 0.04
Cephalochordates 0.05 0.01 - - -
Cephalopod larvae 0.01 0.15 - 0.01 0.01
Chaetognaths 2.66 3.20 1.19 1.72 1.18
Cladocerans 0.67 - - - -
Crustacean larvae 0.01 0.02 0.01 - 0.03
Copepods 80.54 76.58 67.29 87.16 89.04
Ctenophores 0.01 - - - -
Decapods 0.68 0.70 0.62 1.54 0.16
Doliolids 0.15 0.48 0.15 0.03 0.04
Euphausid larvae 0.81 1.20 0.35 0.12 0.26
Echinoderm larvae - 0.01 - - -
Fish eggs and larvae 0.11 0.15 0.07 0.06 0.04
Foraminifera 0.34 0.93 3.27 0.19 0.23
Gastropods 0.29 0.15 0.27 0.14 0.01
Invertebrate eggs 4.43 2.72 17.45 0.64 0.41
Isopods 0.03 - - - 0.01
Medusae 0.18 0.61 0.31 0.10 0.05
Mysids 0.06 0.04 0.03 0.02 0.02
Ostracods 1.39 2.17 2.93 1.64 6.71
Polychaetes 1.11 2.99 2.04 0.93 0.90
Pteropods 0.07 0.16 0.02 - -
Radiolaria - 0.06 0.07 0.06 0.03
Salps 0.09 0.22 0.01 0.04 0.02
Siphonophores 0.82 2.76 1.22 0.65 0.23
Stomatopods - 0.04 - - 0.01
  1. BT, base of the thermocline.