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National Long-Term Surveillance of Swiss Rivers
Regions and cities, Environment
The National River Monitoring and Survey Programme (NADUF) tracks the concentrations of substances occurring in selected Swiss watercourses. NADUF, launched in 1972, is a projec...
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Daytime road traffic noise exposure
Regions and cities, Environment
The map shows the daytime road traffic noise to which the population is exposed. The data is based on area-wide model calculations (sonBASE). Switzerland's entire road network, ...
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Nighttime railway noise exposure
Regions and cities, Environment
The map shows the nighttime railway noise to which the population is exposed. The noise calculation is based on the real emissions of the year 2015. This emissions were calculat...
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Nighttime road traffic noise exposure
Regions and cities, Environment
The map shows the nighttime road traffic noise to which the population is exposed. The data is based on area-wide model calculations (sonBASE). Switzerland's entire road network...
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UNESCO World natural heritage
Regions and cities, Environment
The Convention concerning the Protection of the World Cultural and Natural Heritage (World Heritage Convention, SR 0.451.41) was signed at the UNESCO General Conference in 1972....
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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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Geochemical soil atlas of Switzerland: Arsenic
Regions and cities, Environment
Interpolierte Arsen-Konzentrationen (mg/kg Feinerde) in den Oberböden (0–20 cm) der Schweiz. Für die Ordinary Kriging Interpolationen (1 km x 1 km) wurden Messdaten von insgesam...
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Federal Inventory of Fens of National Importance
Regions and cities, Environment
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...
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Ramsar sites in Switzerland
Regions and cities, Environment
To protect wetlands, particularly because they are habitats for waterbirds and migratory birds, an international convention was signed in 1971 in Ramsar, Iran. Switzerland ratif...
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Federal Inventory of Mire Landscapes of Particular Beauty and National Significance
Regions and cities, Environment
Mire landscapes are essentially semi-natural landscapes shaped by mires that are also home to other noteworthy natural and cultural elements. They are the last remaining habitat...
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Federal Inventory of Landscapes and Natural Monuments
Regions and cities, Environment
Article 5 of the Federal Act of 1 July 1966 on the Protection of Nature and Cultural Heritage (NCHA) orders the Federal Council to compile inventories of sites of national impor...
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Hydrogeological map of Switzerland 1:100000
Regions and cities, Environment
Published by the Federal Office for the Environment FOEN, the specialist office of the Swiss Geological Survey responsible for hydrogeology.The hydrogeological map 1:100,000 sho...
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Strahler stream order
Regions and cities, Environment
The stream order according to Strahler specifies the degree of branching of a hydrographic network. It forms the basis for morphological studies and descriptions of a watercours...
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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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Map of seismic subsoil categories according to the standard SIA 261
Regions and cities, Environment
The site class is a required indication to determine the seismic action for a structure according to the building code SIA 261. The maps of site classes are indicative maps and ...
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Biogeographical regions of Switzerland (CH)
Regions and cities, Environment
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 in...
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Inventory of quaking bogs
Regions and cities, Environment
The inventory of quaking bogs in Switzerland contains discovered primary quaking bogs of a specific minimum size with transition and raised bog characteristics (83 bogs). This i...
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Federal Inventory of Amphibian Spawning Sites of National Importance -...
Regions and cities, Environment
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 we...
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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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Federal Inventory of Reserves for Waterbirds and Migratory Birds of...
Regions and cities, Environment
Switzerland is especially important as a wintering and resting site for various migratory waterbirds. As a result, in 1974 the Federal Council signed a convention on watercourse...
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Distribution of ibex colonies
Agriculture, fisheries, forestry and food, Regions and cities, Environment
After being resettled in 1906, Alpine (Capra) ibex live in colonies of varying sizes throughout the Alpine region and in the Jura mountains. Because the growth of stocks in spec...
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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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Ammonia Concentration
Regions and cities, Environment
Ammonia can harm plants and animals and contributes to elevated nitrogen deposition. Critical levels for ammonia are established in the framework of the UNECE convention on long...
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Air pollution by particulate matter PM2.5
Regions and cities, Environment
"Particulate matter" (PM2.5) refers to particles less than 2.5 micrometres in diameter. These particles are formed during industrial and commercial production processes, combust...
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Air pollution by sulfur dioxide
Regions and cities, Environment
Higher concentrations of sulfur dioxide (SO₂) can have especially negative effects on the respiratory tract; asthmatics and people with chronic respiratory diseases are particul...