Open Access

Table IV

Summary statistics of the CCA ordination of carabid beetle communities and ecological variables.

Axes 1 2 3 4 Total inertia
Eigenvalues 0.180 0.092 0.051 0.042 1.599
Species-environment correlations 0.856 0.802 0.741 0.498
Cumulative percentage variance of:
 species data 11.3 17.0 20.2 22.9
 species-environment relation 41.7 63.0 74.9 84.7
Sum of all eigenvalues 1.599
Sum of all canonical eigenvalues (explained variation) 0.432 (27 %)

Monte Carlo test

Test of significance of first canonical axis eigenvalue 0.180
F-ratio 5.210
P-value 0.0540

Test of significance of all canonical axes Trace 0.432
F-ratio 1.518
P-value 0.0580