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Table 5 Percentage of frequency occurrence (I O), numerical abundance (I N) and biomass (I W) of meiofauna prey groups found in the diet of the studied fish species per season

From: Meiofauna as food source for small-sized demersal fish in the southern North Sea

Prey groups Jan 09 May 09 Jul 09 Oct 09 Jan 10
I O (%) I N (%) I W (%) I O (%) I N (%) I W (%) I O (%) I N (%) I W (%) I O (%) I N (%) I O (%) I N (%) I W (%) I W (%)
B. luteum
 Harpacticoids 66.6 96.5 99.9 26.4 76.1 99.9 89.8 99.7 99.9 98.9 99.8 99.9 92.6 99.3 99.9
 Bivalves 33.4 3.5 0.1 73.6 23.9 0.1 10.2 0.3 0.1 1.1 0.2 0.1 7.4 0.3 0.1
 Number of stomachs 350    296    295    273    215   
P. minutus
 Harpacticoids 78.9 72.2 97.0 60.8 20.1 98.2 81.7 58.9 99.0 92.0 98.1 97.1 72.9 78.2 97.1
 Bivalves 45.4 21.2 0.2 3.2 1.5 0.3
 Ostracods 1.3 0.6 0.5 9.1 8.2 0.4 3.9 0.6 0.3 3.2 0.4 3.4 2.1 0.4 0.2
 Nematodes 21 27.4 2.8 27.3 72.8 1.8 11.5 40.5 1.1 16.7 21.2 2.8
 Number of stomachs 136    120    26    294    65   
A. laterna
 Harpacticoids 93.7 88.3 99.8 92.9 72.0 99.9 100 100 100 100 100 100
 Bivalves 6.3 11.7 0.2 7.1 28.0 0.1
 Number of stomachs 158    28    71    169    66   
L. limanda
 Harpacticoids 94.2 96.4 99.8 79.5 90.9 99.7 90.3 98.5 99.8 97.7 99.4 99.9 92.6 95.5 99.9
 Bivalves 5.8 3.6 0.2 9.3 1.1 0.2 7.2 1.5 0.2 2.3 0.6 0.1 7.4 4.5 0.1
 Ostracods 20.0 9.1 0.1
 Number of stomachs 111    50    226    122    69   
  1. Important values are marked in bold