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Table 1 Average and maximum value (in parenthesis) of density and biomass for each copepod size fraction and relative contribution of each copepod size fraction to total density and biomass in each summer cruise

From: Interannual fluctuations in copepod abundance and contribution of small forms in the Drake Passage during austral summer

 

2000

2001

2003

Density (ind L−1)

 <300-μm fraction

0.402 (2.04)

2.499 (9.71)

1.047 (6.88)

 >300-μm fraction

0.096 (1.00)

0.319 (2.99)

0.013 (0.06)

 All

0.498 (3.04)

2.818 (12.70)

1.060 (6.93)

Relative contribution

 <300-μm fraction

77%

92%

80%

 >300-μm fraction

22%

8%

20%

Biomass (μg C m−3)

 <300-μm fraction

58 (227)

443 (4,659)

84 (438)

 >300-μm fraction

786 (5,242)

4,046 (27,540)

238 (3,294)

 All

667 (5,291)

4,490 (28,300)

322 (3,409)

Relative contribution

 <300-μm fraction

40%

63%

54%

 >300-μm fraction

60%

36%

46%