Table 2. Explained variance and significance level (full model) of all models tested in the partial RDA. Nonsignificant values (p > 0.05) are marked in red.

Partial RDA (24 variables)		Birds and Plants		Plants		Birds
Variables set	Covariables set	% explained variance	p-value (full model)	% explained variance	p-value (full model)	% explained variance	p-value (full model)
All	-	60.6	0.0001	63.9	0.0001	59	0.0001
Land	-	22.5	0.0001	23.2	0.0001	22.2	0.0001
N=7	Eco	14.2	0.0001	11.5	0.0027	15.5	0.0001
	Ae	15.7	0.0042	16.1	0.0078	15.5	0.0314
	Eco+Ae	12.7	0.0001	10.2	0.0341	13.9	0.0001
Eco	-	35.7	0.0001	43.1	0.0001	32.1	0.0001
N=7	Land	27.4	0.0001	31.4	0.0001	25.5	0.0001
	Ae	26.1	0.0001	29.4	0.0001	24.4	0.0001
	Land+Ae	23.1	0.0001	23.5	0.0001	22.9	0.0001
Ae	-	21.8	0.0001	24.3	0.0001	20.6	0.0001
N=7	Eco	12.2	0.0111	10.5	0.0342	13.0	0.0337
	Land	15.0	0.0108	17.1	0.0031	14.0	0.0973
	Eco+Land	10.7	0.0403	9.3	0.1314	11.4	0.0671