Table 4.

Results of variance partitioning analyses, which shows the proportions of explained variance of pure local (lo), land cover (la), spatial (sp) variables and their shared components at different landscape scales (500 m, 250 m, 125 m)

Aquatic species relative abundance	Local (%)	lo+la (%)	Land cover (%)	Spatial (%)	lo + sp (%)	lo + la + sp (%)
a)
500 m	18	9	9	36	9	9
250 m	20	0	33	33	13	0
125 m	0	13	40	33	0	13

Aquatic foraging guild relative abundance	Local (%)	lo + la (%)	Land cover (%)	Spatial (%)	lo + sp (%)	lo + la + sp (%)
b)
500 m	0	7	0	43	14	21
250 m	7	0	0	57	36	0
125 m	7	0	0	57	36	0

Terrestrial species relative abundance	Land cover (%)	la + sp (%)	Spatial (%)
c)
500 m	43	43	14
250 m	63	38	0
125 m	67	33	0

Terrestrial foraging guild relative abundance	Land cover (%)	la+sp (%)	Spatial (%)
d)
500 m	48	0	52
250 m	58	0	42
125 m	70	0	30