Percentage of land cover class size adjacent to each network type
Land cover
CORINE Land Cover 2000 (EEA): urban areas are refined using the UK Land Cover Map 2000: 100 m resolution Resulting land cover classes: seven main classes (e.g. woodland, built-up areas) and eleven minor classes (e.g. airports, dump sites)
City size (km2)*
Number of land cover classes in city (N)*
Number of land cover patchesb in city (N)*
Shannon’s Diversity & Evenness Indices (Shannon and Weaver, 1949)#
City level
Land cover class size (m2)*
Proportion of land cover class size*
Number of land cover patches in land cover class (N)*
Proportion of number of land cover class patches*
Land cover class edge (m)*
Edge density (m/m2)*
Dispersion index (Clark and Evans, 1954)#
Adjacency index (shared boundaries between two land cover classes)#
Proportion of land cover class size in the four zones around the city centre (see above)#
Land cover class
level
Land cover class patch size (m2)*
Proportion of land cover patch size*
Land cover class patch perimeter (m)*
Perimeterearea ratio*
Corrected perimeterearea ratio (Farina, 1998)*
Circularity index (Clowes and Comfort, 1982)*
Centrality index (distance between patch centroid and city centre)#
Land cover patch
level