The effects of environmental factors and fisheries management on recreational catches of perch Perca fluviatilis in the Czech Republic

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Table 2

Results of best GLMM for annual catch and yield of all fish species during the period 2005–2016.

Dependent variable	Intercept	SD (intercept)	Mean value	95% CI	Var(RE)	DF	R²	Explanatory variable	Slope	SD (slope)	p-value
Catch	106 947	19 190	1232	866.71–1597.6	2.53	2681	0.1	Time	−52.58	9.54	< 0.001
Yield	160 076	36 431	2224	1509.4–2938.6	4.39	2681	0.09	Time	−78.53	18.12	< 0.001

SD = standard deviation; CI = confidence interval; var(RE) = variance for random effect; DF = degrees of freedom. Statistically significant results are in bold.

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