Table 2.

BEF data: spatial binning.

Bins	Mean distance	Kendall’s tau
		$Z_1$	$Z_2$
0–80	68	0.31	0.23
80–160	105	0.20	0.18
160–240	209	0.11	0.10
$⋮$	$⋮$	$⋮$	$⋮$
720–800	758	0.03	0.03