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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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Invasive alien plants - map of the potential area Artemisia verlotiorum
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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Diffuse total nitrogen inputs into waters, modelled values
Regions and cities, Environment
Nitrogen inputs into waters represent an undesirable pollution load. Under the Convention for the Protection of the Marine Environment of the North-East Atlantic (OSPAR), Switze...
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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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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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Amphibians appendix 3
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 Amphibian Spawning Sites of National Importance - Shifting Sites
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 Floodplains of National Importance - Appendix 2
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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Wildlife network system
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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Grayling population of national importance: larva habitats
Regions and cities, Environment
The data on grayling populations of national importance includes four subproducts; the larva habitats layer includes the areas in which larva were monitored. The core data come ...
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Thermal continentality at 1000 m a.s.l. in the year, period 1981-2010
Regions and cities, Environment
The thermal continentality in °C was calculated as the difference between the highest and lowest value of the daily variation of the temperature of the year in the period under ...
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Mapping of Floodplains of National Importance
Agriculture, fisheries, forestry and food, Regions and cities, Environment
In order to give cantons the option of taking the protection of floodplains of probable national importance into their own hands as quickly as possible, the Swiss Agency for the...
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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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Assessment of the Biological Water Status: Macrozoobenthos
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 stati...
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Invasive alien plants - map of the potential area Viburnum rhytidophyllum
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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Water temperature monitoring stations
Regions and cities, Environment
The data set represents the locations of the stations in the water temperature monitoring network of the Hydrology Department of the Federal Office for the Environment (FOEN). I...
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Precipitation sum April-August, period 2070-2099, Scenario RCP 4.5
Regions and cities, Environment
The map shows the precipitation sum (in mm) for the months April to August calculated for the period 2070-2099. The precipitation anomalies of the climate scenario were added to...
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Geochemical soil atlas of Switzerland: Cadmium
Regions and cities, Environment
Interpolierte Cadmium-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 insges...
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Invasive alien plants - map of the potential area Echinocystis lobata
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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Determination and modelling of the upper timberline for the standard periods...
Regions and cities, Environment
This map shows the natural upper timberline (excluding anthropogenic influences and without considering shrub forest) modelled for the periods 1961–1990, 1981–2010 and 2070–2099...
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Invasive alien plants - map of the potential area Robinia pseudoacacia
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 Crassula helmsii
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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Crayfish plague – Findings in Switzerland
Agriculture, fisheries, forestry and food, Regions and cities, Environment
Proof of the crayfish plague in Switzerland: Geo-referenced locations of populations with test results. The most cataclysmic disease for the European species is the crayfish pla...
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Hydrogeological sketch
Regions and cities, Environment
Groundwater is present in all subterranean rock. This map gives a hydrogeological overview of Switzerland and its various types of aquifers. Important unconsolidated aquifers ar...