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...

Invasive alien plants - map of the potential area N.N.

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 ...

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...

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...

Monthly rainfall erosivity (R-factor) maps of Switzerland in MJ mm ha⁻¹ h⁻¹ m...

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...

Monthly soil erosion risk maps for Swiss permanent grassland, with average so...

Regions and cities, Environment

Monthly soil erosion risk maps for Swiss permanent grassland with a spatial resolution of 100m. The maps show the average soil loss in tons per hectare and month. Shades of gree...

Windstorm: Gusts at return period 300 years

Regions and cities, Environment

The Windstorm Risk Maps show peak wind gusts and their dynamic pressure and the corresponding uncertainties. The maps provide a country-wide basis for the estimation of the regi...

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...

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...

Monthly rainfall erosivity (R-factor) maps of Switzerland in MJ mm ha⁻¹ h⁻¹ m...

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...

Windstorm: Gusts at return period 50 years

Regions and cities, Environment

The Windstorm Risk Maps show peak wind gusts and their dynamic pressure and the corresponding uncertainties. The maps provide a country-wide basis for the estimation of the regi...

Monthly soil erosion risk maps for Swiss permanent grassland, with average so...

Regions and cities, Environment

Monthly soil erosion risk maps for Swiss permanent grassland with a spatial resolution of 100m. The maps show the average soil loss in tonnes per hectare and month. Shades of gr...

Invasive alien plants - map of the potential area Reynoutria bohemica

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 ...

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...

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...

Invasive alien plants - map of the potential area Phytolacca americana

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 ...

Invasive alien plants - map of the potential area Parthenocissus inserta

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 ...

Assessment of the Biological Water Status: Diatoms

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...

Monthly soil erosion risk maps for Swiss permanent grassland, with average so...

Regions and cities, Environment

Monthly soil erosion risk maps for Swiss permanent grassland with a spatial resolution of 100m. The maps show the average soil loss in tons per hectare and month. Shades of gree...

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...

Mean runoff (m³/s) and flow regime types for the river network of Switzerland

Regions and cities, Environment

For the entire Swiss river network natural runoff (m³/s) values (monthly and annual means) have been modeled and the flow regime types determined. «MQ-GWN-CH» constitutes a data...

CMonthly soil erosion risk maps for Swiss permanent grassland, with average s...

Regions and cities, Environment

Monthly soil erosion risk maps for Swiss permanent grassland with a spatial resolution of 100m. The maps show the average soil loss in tons per hectare and month. Shades of gree...

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...

Alpine pastures protected by livestock guardian dogs

Regions and cities, Environment

The return of large predators to Switzerland has led to the use of livestock guardian dogs on our alpine pastures. Herd guards are used to protect livestock against larger preda...

Monthly rainfall erosivity (R-factor) maps of Switzerland in MJ mm ha⁻¹ h⁻¹ m...

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...