Table 1.

Percentage of impervious surface area within the 1 km² grid surrounding the feeding table

Feeding table ID	Region	Classification	Impervious surface area
PH-S, PH-D	Cornwall	Urban	55.25
J	Cambridgeshire	Urban	51.14
SC	Cornwall	Urban	20.87
M, H	Cambridgeshire	Rural	5.7
PF	Cornwall	Rural	3.56
I, K, N	Cambridgeshire	Rural	2.15
B, D	Cambridgeshire	Rural	4.1

Calculated with Google Earth Pro.