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Areas of silver fir
Agriculture, fisheries, forestry and food, Regions and cities, Environment
The map shows the areas of silver fir occurrence. In the main area, fir is naturally involved to a considerable extent in the stand development in the upper montane and high-mon...
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Nitrogen Deposition
Regions and cities, Environment
The time series shows the modelled total deposition of nitrogen for the years 1990, 2000, 2005, 2010, 2015 and 2020 in a resolution of 500m as a sum of wet, dry and gaseous depo...
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Floodplains outside of the federal inventary
Regions and cities, Environment
Of all the floodplains mapped throughout Switzerland, the objects which have not been included in the federal inventory have been compiled in this dataset. A distinction has bee...
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Water availability in the soil (site water balance)
Agriculture, fisheries, forestry and food, Regions and cities, Environment
The trees often have less water available during the vegetation period. •The water supply during the vegetation period is decisive for the growth and vitality of the forests. Th...
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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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Mean daily temperature high in July, period 1981-2010
Regions and cities, Environment
The daily high of the air temperature in July in the diurnal cycle (1981-2010) (for detailed explanations see «Air temperature July 1961-1990»). The resulting map has a spatial ...
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Precipitation sum June-August, period 2070-2099, Scenario RCP 4.5
Regions and cities, Environment
The map shows the precipitation sum (in mm) for the months June to August calculated for the period 2070-2099. The precipitation anomalies of the climate scenario were added to ...
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Invasive alien plants - map of the potential area Paulownia tomentosa
Agriculture, fisheries, forestry and food, 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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Air pollution by Ozone
Regions and cities, Environment
Ground-level ozone has negative impacts on human health and vegetation. High levels in particular lead to irritation of the respiratory tract and lung tissue. In plants, high oz...
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Federal Inventory of Dry Grasslands of National Importance - Addendum 2
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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Invasive alien plants - map of the potential area Senecio inaequidens
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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General situation of groundwater levels and spring discharges
Regions and cities, Environment
The map provides an overview of the current groundwater levels and spring discharges in Switzerland. Percentiles based on the daily values of the reference period 1991–2020 are ...
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Bathing water quality
Regions and cities, Environment
Assessment of bathing water quality is carried out on the basis of cantonal water monitoring data relating to the hygienic parameters E. coli and intestinal enterococci (faecal ...
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Emerald sites
Regions and cities, Environment
The Emerald Network is a Europeanwide network that seeks to protect endangered animal and plant species and natural habitats listed in the Bern Convention. To obtain Emerald sta...
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Relative air humidity in the year, period 1981-2010
Regions and cities, Environment
The map shows the mean relative air humidity at 13:30 in the year for the period 1981-2010. For the area-wide calculation the climate stations of MeteoSwiss served as support po...
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Stations hydrological forecasts
Regions and cities, Environment
The map provides an overview of stations forecasted by FEWS.
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Basis for determining Q347 flow rate
Regions and cities, Environment
The Water Protection Act specifies how appropriate residual flows can be determined. This applies to new water withdrawals and also to existing withdrawals for which concessions...
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Forest ecoregions
Agriculture, fisheries, forestry and food, Regions and cities, Environment
The map shows the Forest Ecoregions. They differ in terms of climatic factors, forest vegetation and altitudinal vegetation belts. The southernmost tip of Ticino is considered t...
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Estimation of direct CO₂ emissions based on heat demand according to SIA...
Regions and cities, Environment
The Swiss building stock is responsible for around a quarter of CO2 emissions. Reductions in this area are key to achieving the climate targets. </p><p> The map "CO2 Emissions B...
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Invasive alien plants - map of the potential area Sedum spurium
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 Senecio rupestris
Agriculture, fisheries, forestry and food, 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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Topographical catchment areas of Swiss waterbodies 40 km²
Regions and cities, Environment
The "40 km² catchment areas" data set is one of four possible aggregation levels for the "Topographical catchment areas of Swiss waterbodies" geodata set. It consists of a compr...
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Diffuse dissolved phosphorus inputs into waters, modelled values
Regions and cities, Environment
Phosphorus inputs into waters represent an undesirable pollution load. Over recent decades high inputs of dissolved phosphorus have led to eutrophication of the lakes of the cen...
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HQStat flood statistics
Regions and cities, Environment
Data on flood events is managed and statistically evaluated by the FOEN; the findings are made available in the form of result sheets. A systematic statistical evaluation of flo...
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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...