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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.