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Residual flow map of Switzerland: catchment
Regions and cities, Environment
The Federal Act of 24 January 1991 on the Protection of Water against Pollution (LPEP) and its provisions on residual flows came into force on November 1, 1992 in Kraft getreten...
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Forest fire prevention measures of the cantons
Agriculture, fisheries, forestry and food, Regions and cities, Environment
Contains the forest fire prevention measures currently in force in the cantons.
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Percentage of stocking along rivers
Regions and cities, Environment
Vegetation performs important functions. It provides shade for rivers, thus reducing peak water temperatures. In the context of global warming, this is increasingly important. F...
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Federal Inventory of Floodplains of National Importance
Regions and cities, Environment
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 com...
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Underground flow paths in karst regions
Regions and cities, Environment
The Underground flow paths layer indicates the probable direction taken by the groundwater in karst regions within the catchments towards the relevant spring. These interpretati...
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Springs and swallow holes in karst regions
Regions and cities, Environment
The Karst springs and swallow holes layer shows the main points where groundwater emerges from the karst system as well as important infiltration points. Distinctions are made b...
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Extent of groundwater resources in karst regions
Regions and cities, Environment
The Karst water resources layer shows the extent of the water-saturated zone of a karstified aquifer projected to the surface. It is determined by the karst water level and ther...
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Federal Inventory of Hunting Ban Reserves
Regions and cities, Environment
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 ...
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Wildlife Passages
Regions and cities, Environment
In einer ersten Phase hat das BAFU anhand der verfügbaren Daten die Wildtierpassagen auf dem Nationalstrassen- und Schienennetz erfasst. Berücksichtigt wurden Kunstbauten, die s...
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Biosphere reserves
Regions and cities, Environment
Biosphere reserves are not only used to protect and preserve ecosystems, but also for environmental research, environmentally-friendly land use and environmental education. They...
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Mean runoff in the future - results from the Hydro-CH2018 project
Regions and cities, Environment
The map shows the percentage changes in summer runoff towards the end of the century (2070-2099) compared to the reference period (1981 - 2010) as calculated in the hydrological...
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Federal Inventory of Dry Grasslands of National Importance (DGS)
Regions and cities, Environment
Dry grasslands are habitats with a wide variety of species that are marked by agricultural use. In accordance with the Federal Act on Protecting Nature and Cultural Heritage, th...
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Database of cross sections (CS) - surveyed sections
Regions and cities, Environment
The map shows the reaches of watercourses which are currently surveyed periodically under the leadership of the FOEN. They are usually surveyed every 10 years or after major flo...
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Assessment of the Chemical Water Status: Nitrate
Regions and cities, Environment
Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring station...
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Hydrological study areas
Regions and cities, Environment
Since 1957 the hydrology division of the FOEN has operated a network of hydrological study areas aimed at observing long-term changes in the water regime within Switzerland’s mo...
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Assessment of the Chemical Water Status: Phosphate
Regions and cities, Environment
Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring station...
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Assessment of the Chemical Water Status: Nitrite
Regions and cities, Environment
Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring station...
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Federal Inventory of Raised and Transition Bogs of National Importance
Regions and cities, Environment
Raised bogs are some of the most susceptible habitats in Switzerland and are in sharp decline. Today, between 10% and 20% of the original stocks still exist. The scientific inve...
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Perimeters of existing spectral micro-zoning studies
Regions and cities, Environment
Perimeters for which a spectral seismic micro-zonation study is available with links to further information. The amplification of seismic waves through the local geology is mode...
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Assessment of the Biological Water Status: Fish
Regions and cities, Environment
Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring station...
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Assessment of the Biological Water Status: Macrophytes
Regions and cities, Environment
Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring station...
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Interregional wildlife corridor
Regions and cities, Environment
First, known wildlife corridors were recorded from existing data at the cantonal level, and potential corridors were detected by GIS and then divided into wildlife corridors of ...
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Catchments in karst regions
Regions and cities, Environment
The Karst catchments layer depicts those areas where seepage water flows into a specific spring and feeds it. Catchments can occasionally overlap, namely where sections of them ...
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Swiss National Park and parks of national importance (Perimeter)
Regions and cities, Environment
The dataset contains the protected area of the ‘Swiss National Park’, which is protected in accordance with the National Park Act of 19 December 1980 (SR454) as well as park pro...
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Assessment of the Chemical Water Status: Dissolved Organic Carbon (DOC)
Regions and cities, Environment
Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring station...