Federal Office for the Environment FOEN

Datasets from Federal Office for the Environment FOEN (353)

Base areas (catchment areas) HADES

The base areas form the lowest layer of the system of catchment areas that describe Switzerland’s hydrographical structure (Hydrological Atlas of Switzerland, HADES). As many uniform area...

Updated 2026-07-29 API HTML SERVICE WMS WMTS

FOEN basic monitoring network for surfaces water

The data show the locations of the stations in the basic monitoring network of the Hydrology Division of the FOEN. It includes all stations currently listed on the FOEN’s home page. The b...

Updated 2026-07-29 API HTML SERVICE WMS WMTS

Stocking map along watercourses and lakeshores

For the creation of the Switzerland-wide map of riparian woody vegetation, calculations were made based on available geodata. Riparian woodland was defined as vegetation over 2.5 m in hei...

Updated 2026-07-29 HTML SERVICE WMS WMTS

Assessment of the Biological Water Status: Fish

Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring stations. The bio...

Updated 2026-07-29 API HTML SERVICE WMS

Assessment of the Biological Water Status: Diatoms

Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring stations. The bio...

Updated 2026-07-29 API HTML SERVICE WMS

Assessment of the Biological Water Status: Macrozoobenthos

. Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring stations. The b...

Updated 2026-07-29 API HTML SERVICE WMS

Assessment of the Biological Water Status: Macrophytes

Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring stations. The bio...

Updated 2026-07-29 API HTML SERVICE WMS

Assessment of the Chemical Water Status: Ammonium

Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring stations.The chem...

Updated 2026-07-29 API HTML SERVICE WMS

Assessment of the Chemical Water Status: Dissolved Organic Carbon (DOC)

Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring stations. The num...

Updated 2026-07-29 API HTML SERVICE WMS

Assessment of the Chemical Water Status: Total Phosphorus

Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring stations. The che...

Updated 2026-07-29 API HTML SERVICE WMS

Assessment of the Chemical Water Status: Nitrate

Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring stations. The che...

Updated 2026-07-29 API HTML SERVICE WMS

Assessment of the Chemical Water Status: Nitrite

Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring stations. The che...

Updated 2026-07-29 API HTML SERVICE WMS

Assessment of the Chemical Water Status: Phosphate

Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring stations. The che...

Updated 2026-07-29 API HTML SERVICE WMS

Balance areas (catchment areas) HADES

The balance areas form the middle layer of the system of catchment areas that describe Switzerland’s hydrographical structure (Hydrological Atlas of Switzerland, HADES). They are usually ...

Updated 2026-07-29 API HTML SERVICE WMS WMTS

Biogeographical regions of Switzerland (CH)

The basis for establishing the biogeographical regions (in 6 or 12 classes) were the homogeneous surfaces of the river basins, where relevant and adequately extensive species information ...

Updated 2026-07-29 API HTML SERVICE WMS WMTS

Biosphere reserves

Biosphere reserves are not only used to protect and preserve ecosystems, but also for environmental research, environmentally-friendly land use and environmental education. They are terri...

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Heavy Metal Soil Contamination

The measurement data are the surveyed mean values of heavy metal concentrations recorded in the top 20 cm of the soil in around 100 permanent monitoring sites operated by the Swiss Nation...

Updated 2026-07-29 HTML SPARQL

Amphibians appendix 3

There are currently 19 different amphibian species that live in Switzerland, and nearly all of them are included in the Red List of Threatened Species. The areas that contain wetland habi...

Updated 2026-07-29 API HTML SERVICE WMS WMTS

Federal Inventory of Amphibian Spawning Sites of National Importance - Stationary Objects

There are currently 19 different amphibian species that live in Switzerland, and nearly all of them are included in the Red List of Threatened Species. The areas that contain wetland habi...

Updated 2026-07-29 API HTML SERVICE WMS WMTS

Federal Inventory of Amphibian Spawning Sites of National Importance - Shifting Sites

There are currently 19 different amphibian species that live in Switzerland, and nearly all of them are included in the Red List of Threatened Species. The areas that contain wetland habi...

Updated 2026-07-29 API HTML SERVICE WMS WMTS

Federal Inventory of Floodplains of National Importance

Floodplains, namely natural habitats in the flood zones of watercourses, are in decline. The scientific inventory of floodplains was commissioned by the FDHA in May 1981 and compiled by v...

Updated 2026-07-29 API HTML SERVICE WMS WMTS

Federal Inventory of Floodplains of National Importance - Appendix 2

Floodplains, namely natural habitats in the flood zones of watercourses, are in decline. The scientific inventory of floodplains was commissioned by the FDHA in May 1981 and compiled by v...

Updated 2026-07-29 API HTML SERVICE WMS WMTS

Federal Inventory of Hunting Ban Reserves

Federal hunting bans have existed since 1875 and served the purpose of raising the populations of chamois, red deer and roe deer as well as ibex (cloven-hoofed game), which had become rar...

Updated 2026-07-29 API HTML SERVICE WMS WMTS

Federal Inventory of Fens of National Importance

Fens are vestiges of earlier natural and cultural landscapes and are in sharp decline. They are home to highly-adapted symbiotic communities of plants and animals that include a large num...

Updated 2026-07-29 API HTML SERVICE WMS WMTS