Table 3

Modelling the (A) occurrence and (B) non-null CPUE of European eels using the Eel Abundance Index protocol, as a function of environmental variables and waveforms. N: 192. With Cohen's effect: 0.2; statistical power: 1.

(A) Estimate Standard Error Z value P value
Intercept 4.29 0.909 4.71 <0.001
Depth −0.068 0.019 −3.60 <0.001
PEC waveform −3.92 0.59 −6.70 <0.001

(B) Estimate Standard Error Z value P value

Intercept 1.84 0.21 8.67 <0.001
Riparian vegetation −0.34 0.16 −2.08 0.04
Depth −0.020 0.0053 −3.88 <0.001
PEC waveform −1.07 0.50 −2.13 0.03

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