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Table 5

Results of five partial CCAs. Analyses were conducted separately with fish stocking, land use, hydromorphological alteration and eutrophication variables with covariables. Groups of variables differ in spatial scale.

Spatial scale Group of variables Covariables Total inertia Eigenvalues pCCA1 Eigenvalues pCCA2 p-value p⁎-value
Catchment scale Land use Year 1.636 0.31 0.17 0.001 0.001
Catchment scale/within lake Landscape characteristics Year 1.636 0.31 0.14 0.001 0.001
Within lake Eutrophication Year 1.636 0.26 0.11 0.001 0.001
Within lake Fish stocking Year 1.636 0.19 0.12 0.014 0.002
On site Hydromorphological alteration Year, coordinates 1.995 0.07 0.05 0.001 0.001

Year – sampling year, coordinates – geographical coordinates, p-value – significance of first axis and p⁎-value – significance for all axis.

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