Table S2.
Covariates related to land cover, topography, and climate that were selected for the analysis presented in the main text
| Category | Covariate | Time of collection | Time of retreival | Spatial resolution | Product name/source |
| Land cover | Grass (Fractional meadow/Pasture cover) | 2004–2009 | January 10, 2016 | 100 m | NOAS04/Swiss Federal Statistical Office (FSO), GEOSTAT |
| Forest (Fractional forest cover) | |||||
| LCrichness (Number of different land-cover types) | |||||
| Climate | Irradiation (SIS; Wm−2; yearly mean) | 2004–2012 | November 26, 2016 | 0.0208 decimal degree (2.3 km West-East and 1.6 km South-North) | msg.SIS.M/Swiss Federal Office of Meteorology and Climatology (MeteoSwiss) |
| Temperature (T; °C; yearly mean) | 2000–2014 | TabsM/Swiss Federal Office of Meteorology and Climatology (MeteoSwiss) | |||
| Precipitation (P; mm; yearly sum) | 2000–2014 | RhiresM /Swiss Federal Office of Meteorology and Climatology (MeteoSwiss) | |||
| Topography | Altitude (m.a.s.l) | 1978–2001 | May 22, 2016 | 25 m | DHM25/Swiss Federal Office of Topography (swisstopo) |
| Slope (°) | |||||
| N-Aspect: North-south component of the aspect (-1 if south-exposed; 1 if north-exposed) |