Compositional |
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PLAND—percentage of landscape inhabited by each community (c); PR—richness (l); SHEI—evenness (l); LPI—largest patch index (c,l); SHDI—Shannon’s diversity index (l) |
describe the non-spatial properties of individual communities as well as properties of the entire diversity landscape |
Configurational |
Area & Edge |
AREA_MN—patch areas distribution (c,l); GYRATE_MN—radius of gyration distribution (c,l); TE –total edge (c,l); |
describe the spatial grain of diversity landscape |
Shape |
PARA—parameter-to-area distribution (c,l); SHAPE—shape index (c,l); FRAC—fractal dimension index (c,l); CONTIG_MN—contiguity index distribution (c,l) |
describe the geometric complexity and/or compactness of shapes of community patches |
Aggregation |
AI—Aggregation index (c,l); CONTAG—contagion (l); IJI—interspersion & juxtaposition index (l) |
describe the texture of diversity landscape |
Subdivision |
NP—number of patches (c,l); DIVISION—landscape division index (c,l); MESH—effective mesh size (c,l) |
describe the compositional makeup of diversity landscape |
Isolation |
ENN_MN—Euclidean nearest neighbor distance distribution (c,l); CONNECT—connectance index (c,l); PROX_MN—proximity index distribution (c,l) |
describe the degree of spatial isolation between community patches |
Contrast |
CWED—contrast-weighted edge density (c,l); TECI—total edge contrast index (c,l) |
describe the magnitude of contrast (difference) along boundaries between different communities |