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Amphibian migration conflicting with traffic
Regions and cities, Environment
Since the mid-1950s, the number of amphibians being killed on roads has increased dramatically. Every year, hundreds of thousands of amphibians cross roads in Switzerland during...
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Seismic zones according to the SIA 261 standard
Regions and cities, Environment
Map of seismic zones from the SIA 261 Standard “Actions on Structures” (2020). A design value is specified for the horizontal ground acceleration agd (in m/s2). This design valu...
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Swiss National Park
Regions and cities, Environment
Switzerland’s National Park was created in 1909 through private initiatives. When the Confederation took over, it was officially created on 1 August 1914. The park was expanded ...
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Warning Forest Fire Danger
Agriculture, fisheries, forestry and food, Regions and cities, Environment
The FOEN's forest fire danger warning contains the general daily forest fire danger based on meteorological data and the resulting forest fire indices.
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Assessment of the Chemical Water Status: Ammonium
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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Habitat Map of Switzerland
Regions and cities, Environment
The dataset maps Swiss habitats according to the TypoCH classification ('Lebensräume der Schweiz', Delarze et al. 2015) area-wide, to at least the second level of detail of the ...
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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). The Swiss road network included i...
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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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Map of potential permafrost distribution
Regions and cities, Environment
The map shows the potential permafrost distribution in Switzerland based on modelling. In Switzerland, above 2400 metres the ground can be permanently frozen, depending on its g...
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Overland flow map
Regions and cities, Environment
The areas affected by overland flow were determined using a simplified method the over entire Switzerland and Liechtenstein. They were determined by modelling without any verifi...
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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). The Swiss road network included in ...
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Ecomorphology Level F – River reaches
Regions and cities, Environment
To enable watercourses to be fully protected, their status must be known. The Modular Stepwise Procedure provides the framework for standardised investigation and assessment of ...
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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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Assessment of the Chemical Water Status: Total Phosphorus
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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Water status monitoring stations CH
Regions and cities, Environment
The data set represents the monitoring stations where the water status is recorded. The cantons are responsible for water protection enforcement, as they are for other environme...
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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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Invasive alien plants - map of the potential area Solidago gigantea
Regions and cities, Environment
The set of invasive alien plants shows the maps of the potential areas of 56 alien plants species present in Switzerland as well as some invasive species present in neighboring ...
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Invasive alien plants - map of the potential area Solidago canadensis
Regions and cities, Environment
The set of invasive alien plants shows the maps of the potential areas of 56 alien plants species present in Switzerland as well as some invasive species present in neighboring ...
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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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Monthly rainfall erosivity (R-factor) maps of Switzerland in MJ mm ha⁻¹ h⁻¹...
Regions and cities, Environment
<p>Monthly rainfall erosivity maps (R-factor maps) of Switzerland with a spatial resolution of 100 m. The maps show the spatial and seasonal variability of rainfall erosivity in...
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Balance areas (catchment areas) HADES
Regions and cities, Environment
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 ar...
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Invasive alien plants - map of the potential area Reynoutria japonica
Regions and cities, Environment
The set of invasive alien plants shows the maps of the potential areas of 56 alien plants species present in Switzerland as well as some invasive species present in neighboring ...
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Invasive alien plants - map of the potential area Elodea canadensis
Regions and cities, Environment
The set of invasive alien plants shows the maps of the potential areas of 56 alien plants species present in Switzerland as well as some invasive species present in neighboring ...
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Monthly rainfall erosivity (R-factor) maps of Switzerland in MJ mm ha⁻¹ h⁻¹...
Regions and cities, Environment
<p>Monthly rainfall erosivity maps (R-factor maps) of Switzerland with a spatial resolution of 100 m. The maps show the spatial and seasonal variability of rainfall erosivity 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...