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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