Skip to main content
. 2019 Oct 10;9:14563. doi: 10.1038/s41598-019-50953-z

Table 2.

Summary of environmental variables and grain sizes used in the study.

Variable name (unit) Grain sizes (m)
Elevation (m) 30, 60, 120, 240, 480, 960, 1920
Slope (degrees) 30, 60, 120, 240, 480, 960, 1920
Percent forest (%) 30, 60, 120, 240, 480, 960, 1920
Distance to main road (m) 30, 60, 120, 240, 480, 960, 1920
Distance to stream (m) 30, 60, 120, 240, 480, 960, 1920
MODIS phenology metrics* 240, 480, 960, 1920
Annual mean temperature (°C * 10) 960, 1920
Temperature seasonality (standard deviation * 100) 960, 1920
Temperature annual range (max temp – min temp) 960, 1920
Annual precipitation (mm) 960, 1920
Precipitation seasonality (coefficient of variation) 960, 1920

*MODIS phenology metrics used in the models were reduced to five principal components using PCA.