Table 2 Variables used for creating resistance rasters.
From: Ecological corridors for the amphibians and reptiles in the Natura 2000 sites of Romania
Variable | Resolution (m) | Measurement unit | Source |
|---|---|---|---|
Digital elevation model (DEM) | 25 | m | European Environmental Agency (www.eea.europa.eu) |
Slope | 25 | ° | Derived from DEM |
Hydrographic Network density | 100 | km/km2 | Based on data obtained from the European Environmental Agency (www.eea.europa.eu) |
Road network density | 100 | km/km2 | Based on data obtained from www.openstreetmap.org |
Distance to water | 100 | m | Based on data obtained from the European Environmental Agency (www.eea.europa.eu) |
Distance to road | 100 | m | Based on data obtained from www.openstreetmap.org |
Corine Land Cover 2012 | 100 | – | Data obtained from Copernicus Land Monitoring Services (https://land.copernicus.eu/) |
