Are Plant Species’ Richness and Diversity Influenced by Fragmentation at a Microscale?
Table 2
Patch variables used for the analysis (fragmentation variables from [31]). ENN, ECON, and CONTIG were calculated in Fragstats v.3.3, raster environment with the 8-pixel rule.
Variable
Explanation
Range
Area (km2)
Equals the patch’s area
0.0009–10.13
CONTIG
Patch’s contiguity
0–0.92
Core area (km2)
Equals the core area
0.0000–9.40
Core FD
Core area fractal dimension
0–1.86
Core PAR
Cores’ area perimeter-area ratio
0–0.78
Core perimeter (m)
Core area perimeter
0–73363
Core SI
Shape index of the core area
0–6.74
ECON* (%)
Patch’s edge contrast
0-1
Elevation (masl.)
Patch’s elevation
2500–2800
ENN (m2)
Patch’s Euclidean nearest neighbour
60–942
FD
Patch’s fractal dimension
1.31–1.55
Latitude (m)
Geographic location
3084590–3094000
Longitude (m)
Geographic location
262754–272468
PAR
Perimeter-area ratio
0.007–0.20
Perimeter (m)
Patch’s perimeter (m)
120–71276
PROX
Patch’s proximity index
0.001–6610.48
SI
Shape index of the patch
1.12–6.31
Slope (degrees)
Patch’s slope
0°–30°
Edge contrast values between LULC classes are presented in the Supplementary Material.
