Table 1 Abundance and body mass of P. trituberculatus in different seasons.

From: Spatiotemporal distribution and fishing ground driving mechanism of swimming crab Portunus trituberculatus in Hangzhou Bay and its adjacent waters

Parameter

Range (Mean ± SE)

Winter

Spring

Summer

Autumn

Abundance(kg/ km2)

0–79.55 (5.58 ± 16.43)a

0–84.63 (14.79 ± 23.01)b

0–359.34 (72.39 ± 108.90)bc

0–1760.83 (204.64 ± 386.04)cd

Body mass (g)

7.70–170.40 (13.16 ± 38.18)a

9.49–262.00 (42.19 ± 66.36)b

4.37–62.80 (8.64 ± 13.72) a

7.25–120.19 (29.99 ± 32.44) bc

  1. The letters in the table indicate significant differences (P < 0.05).