From: Risk of tick-borne pathogen spillover into urban yards in New York City
Category | Acronym | Metric name | Description |
---|---|---|---|
Aggregation | COHESION | Patch cohesion index | Connectedness of patches |
ENN_MN | Mean of Euclidean nearest-neighbor distance | Mean edge to edge distance to the nearest neighboring patch of the same type | |
NP | Number of patches | Number of patches | |
CLUMPY | Clumpiness index | Proportional deviation of the proportion of like adjacencies involving the focal class from that expected under a spatially random distribution | |
nLSI | Normalized landscape shape index | Ratio of the actual edge length of focal class in relation to the hypothetical range of possible edge lengths of the focal class (min/max) | |
AI | Aggregation index | Percentage of neighboring pixel, being the same land cover class, based on single-count method | |
IJI | Interspersion and juxtaposition index | Measure of evenness of patch adjacencies, equals 100 for even and approaches 0 for uneven adjacencies | |
MESH | Effective mesh size | Relative measure of patch structure based on probability that two randomly chosen points will be located in same patch | |
Area and edge | TE | Total edge | Total length (m) of all edges between focal class and all other classes |
ED | Edge density | Sum of all edges of focal class in relation to landscape area | |
LPI | Largest patch index | Percentage of landscape covered by corresponding largest patch of each class | |
GYRATE_MN | Mean radius of gyration | Mean distance from each cell to the patch centroid | |
Shape | CONTIG_MN | Mean of contiguity index | Spatial connectedness of cells in patches |
Core area | TCA | Total core area | Sum of all core areas of all patches belonging to focal class |
CPLAND | Core area percentage of landscape | Percentage of core area of focal class in relation to the total landscape area | |
NDCA | Number of disjunct core areas | Number of cells of focal class without neighbors with a different value other than itself |