Table 3.

The potential of six variables to confound future analyses of data emerging from the SAFE Project. Values represent the F and p-values from a mixed effect model. Significant relationships are represented in bold.

variable	block		fragment area		transect order		area × transect
	F5,18	p	F3,15	p	F3,60	p	F9,60	p
longitude	502.279	<0.001	1.102	0.944	0.007	0.998	1.657	0.447
latitude	75.906	<0.001	0.155	0.998	0.060	0.932	0.205	0.999
altitude	1.136	0.233	1.432	0.796	0.137	0.514	0.686	0.859
slope	0.123	0.930	0.820	0.753	0.713	0.570	0.287	0.982
pre-fragmentation land use	19.377	<0.001	1.708	0.927	0.020	0.345	1.806	0.303
isolation	24.530	<0.001	0.906	0.991	0.548	0.861	1.340	0.558