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Table 1 Abarenicola affinis abundance and biomass (per 314 cm2 core; mean values ± SD, n = 15), and thorax length (mean values ± SD, n = 19–31) in summer, autumn, winter and spring (December 2007, March, June, September 2008, respectively) in seagrass and unvegetated habitat

From: Lugworm (Abarenicola affinis) in seagrass and unvegetated habitats

Habitat type

Season

No. of sampling cores

No. of individuals

Mean abundance ± SD

Mean thorax length (mm) ± SD

Mean biomass (g AFDW) ± SD

Seagrass (Papanui Inlet)

Summer

15

21

1.4 ± 1.4

31.2 ± 8.6

0.033 ± 0.047

Autumn

15

29

1.9 ± 2.5

27.4 ± 5.4

0.047 ± 0.063

Winter

15

20

1.3 ± 1.9

30.0 ± 6.3

0.033 ± 0.050

Spring

15

19

1.3 ± 1.4

31.0 ± 7.4

0.045 ± 0.068

Overall

60

89

1.5 ± 1.8

29.6 ± 6.9

0.040 ± 0.056

Unvegetated (Hoopers Inlet)

Summer

15

31

2.1 ± 1.5

43.4 ± 10.5

0.107 ± 0.122

Autumn

15

22

1.5 ± 1.1

47.6 ± 13.8

0.163 ± 0.118

Winter

15

21

1.4 ± 1.1

41.9 ± 11.8

0.101 ± 0.086

Spring

15

22

1.5 ± 1.2

43.6 ± 14.7

0.100 ± 0.077

Overall

60

96

1.6 ± 1.2

44.1 ± 12.5

0.118 ± 0.102