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Table 3 Characteristics of helminth communities and fish length of Pelteobagrus fulvidraco from 7 lakes in the flood plain of the Yangtze River, China

From: Communities of gastrointestinal helminths of fish in historically connected habitats: habitat fragmentation effect in a carnivorous catfish Pelteobagrus fulvidraco from seven lakes in flood plain of the Yangtze River, China

Characteristics Poyang Dongting Niushan Honghu Baoan Tangxun Liangzi Connected lakes Isolated lakes
Sample size 90 60 36 78 30 30 60 150 234
Mean fish length ± SD (cm) 16.12 ± 2.31 17.31 ± 1.72 16.61 ± 1.61 16.53 ± 2.20 17.20 ± 2.11 17.33 ± 2.32 17.53 ± 2.43 16.97 ± 2.37 16.76 ± 2.36
Mean no. of species ± SD 2.37 ± 0.94 0.78 ± 0.88 2.44 ± 1.11 1.18 ± 0.94 2.60 ± 1.1 2.80 ± 1.03 2.60 ± 1.20 1.73 ± 1.20 2.13 ± 1.26
Mean no. of hel ind ± SD + 15.70 ± 11.10 4.20 ± 8.90 16. 80 ± 12.2 6.90 ± 6.72 23.61 ± 12.11 16.00 ± 10.72 17.52 ± 11.74 11.09 ± 11.68 14.47 ± 11.73
Brillouin index ± SD 0.45 ± 0.30 0.12 ± 0.19 0.41 ± 0.31 0.15 ± 0.24 0.51 ± 0.25 0.65 ± 0.20 0.44 ± 0.33 0.36 ± 0.31 0.39 ± 0.32
Total no. of species 8 7 8 6 8 7 8 8 11
Shannon-Wiener index 0.58 0.18 0.53 0.22 0.62 0.83 0.57 0.48 ± 0.40 0.50 ± .041
Berger-Parker index 0.65 0.82 0.74 0.88 0.67 0.47 0.74 0.74 0.70
Dominant species P.p. * P.p. * P.p. * P.p. * P.p. * P.p. * P.p. * P.p. * P.p. *
  1. + Mean number of helminth individuals
  2. * P.p. represents Procamallanus fulvidraconis