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Table 1 The environmental variables selected and description for each variable

From: Effects of vegetation structure and human impact on understory honey plant richness: implications for pollinator visitation

  Environmental variables Variable description Mean ± SD
Vegetation structure Canopy density (%) Average percentage of canopy density above 2 m within 50-m radius of plot point 86.46 ± 16.34
Horizontal heterogeneity of canopy surface height A measure of spatial autocorrelation of maximum vegetation height with local Geary’s c within 50-m radius 1.62 ± 1.19
Topography Slope gradient (°) Average slope gradient within 50-m radius of plot point 31.05 ± 7.30
Human impact Distance from a road (m) Distance to the closest road from plot point 258.79 ± 199.13