Table 4

Proportion of capture per species (%) by index flow category; low flow migration (< percentile 25), mean flow migration (between percentile 25 and percentile 75), high flow migration (> percentile 75) with percentile 25 = 0.17 and percentile 75 = 0.64.

Species FW1–B FW2–A FW3–O



  <P25 [P25–P75] >P75 <P25 [P25-P75] >P75 <P25 [P25-P75] >P75
Trout 1.5 37.7 60.8 9.4 44 46.6 14.3 66.7 19
Sea trout 10 90 0
Rainbow trout 25 25 50 24.3 53.1 22.6 0 64.3 35.7
Brook trout 0 100 0
Barbel 0 27.3 72.7 13.8 77.6 8.6 2.4 78.8 18.9
Chub 2.2 52.9 44.9 7.1 64.3 28.6 9.6 75.3 15.1
Nase 0 50 50 0.6 12.2 87.2
Spirlin 4.9 54.7 40.3 63.4 29 7.6 92.3 7.7 0
Dace 14.9 77 8.1
Grayling 2.5 61.5 36.1 33.3 33.3 33.3
Loach 5.9 70.6 23.5
Bullhead 0 20 80
Common bleak 0 100 0
Bream 0.2 84.3 15.5
Silver bream 20 80 0
Roach 0 33.3 66.7 27.8 61.1 11.1 0 65.2 34.8
Gudgeon 0 100 0 10.9 85.9 3.2
Minnow 11.2 68.3 20.5 5.8 92.7 1.5
Eel 0 20 80
Stickleback 0 75 25 0 33.3 66.7
European catfish 0 100 0
Pike 0 33.3 66.7
Tench 0 100 0
Common carp 5.6 88.9 5.6
Perch 0 80 20

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