Table 8. Statistics of the regression model for the quality of the relationship with the environment.

F, ratio of explained variation to unexplained variation; df, degrees of freedom

Model		Sum of squares	df	Mean square	F	P-value
H₁	Regression	25199.071	12	2099.923	16.821	<0.001
	Residual	29836.591	239	124.839
	Total	55035.663	251