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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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Nase spawning grounds 1995 - 2004
Regions and cities, Environment
The data includes the coordinates of spawning grounds in Switzerland (around 100 sites) as well as the average number of breeding animals (10-year average). The FOEN conducted a...
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Grayling population of national importance: distribution area
Regions and cities, Environment
The data on grayling populations of national im-portance includes four subproducts; the distribution area layer includes the sections of watercourses with 20 major grayling popu...
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Grayling population of national importance: spawning grounds
Regions and cities, Environment
The data on grayling populations of national importance includes four sub-products; the spawning grounds layer includes the areas in which natural reproduction occurs. The core ...
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Grayling population of national importance: core areas
Regions and cities, Environment
The data on grayling populations of national importance includes three subproducts; the core zones layer includes the areas of particular importance for grayling populations, ba...
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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 ...