Spatial distribution of faecal sample tubes collected for the study between 2017–2019 in the Netherlands.
Source Basemap layer: World Topographic Map. Public domain Metadata. Credits attribution: Kadaster NL, Esri Inc, HERE, Garmin, FAO, NOAA, USGS. ArcGIS-Pro 2.5. https://services.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer Licensed under the Esri Master License Agreement. (TIF)