Table 3 Average and maximum value (in parenthesis) of biomass for both copepod size fractions and their relative contribution to total biomass during summer in Subantarctic (Subant.), Antarctic (Antar.) waters and Polar Front

Biomass (μg C m⁻³)

 <300-μm fraction

87 (227)

0.2 (0.5)

1,098 (4,659)

464 (758)

79 (291)

222 (438)

1.7 (16)

 >300-μm fraction

1,179 (5,242)

2 (9.8)

8,778 (20,244)

8,068 (27,542)

2.2 (8.5)

618 (3,293)

10 (82)

 All

1,151 (5,291)

1.5 (10)

9,877 (24,903)

8,531(28,300)

81 (291)

840 (3,409)

12 (82)

Relative contribution

 <300-μm fraction

30%

61%

18%

53%

96%

67%

50%

 >300-μm fraction

70%

39%

82%

47%

4%

33%

50%

Biomass (μg C m⁻³)

 Nauplii

9 (90)

0.01 (0.06)

77 (937)

76 (488)

9 (123)

137 (344)

1.5 (15)

 Oithona similis

42 (127)

0.08 (0.49)

787 (3,545)

150 (322)

40 (136)

81 (196)

0.2 (1.7)

 Microsetella norvegica

4 (15)

0.12 (1)

2.2 (12)

9 (24)

–

4 (12)

–

 Oncaea curvata

1 (4)

–

–

–

1 (10)

–

–

 Rhincalanus gigas

2 (16)

–

–

–

–

–

–

 Calanus simillimus

1,042 (5,041)

–

1,372 (7,847)

810 (2131)

–

34 (204)

–

 Calanoides acutus

41 (154)

1.2 (9.7)

7,276 (14,550)

6,600 (23,855)

0.9 (8)

549 (3,294)

–

 Ctenocalanus citer

0.4 (2)

–

–

–

–

–

4 (27)

 Metridia gerlachei

51 (234)

–

124 (415)

134 (508)

–

30 (182)

–

 Clausocalanus laticeps

4 (37)

–

–

–

–

–

–

 Sapphirina

–

–

4 (27)

–

–

–

 Paraeuchaeta antartica

–

–

–

517 (2,068)

–

–

–

 Subeucalanus longiceps

1 (11)

–

–

–

–

–

–