Hello，Could you please tell me what the file "ForestMask hull LV95 20171127.shp" is?

[f273496225]

Hello，Could you please tell me what the file "ForestMask hull LV95 20171127.shp" is? How can it be obtained?

[seleneledain]

It's a shapefile outlining the forest in Switzerland, produced by Waser et al. (https://www.mdpi.com/1999-4907/6/12/4386)
It could be replaced with landuse data indicating presence of forest for example: https://land.copernicus.eu/en/products/high-resolution-layer-forests-and-tree-cover