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Circonscriptions de surveillance
Regions and cities, Environment
circonscriptions de surveillance (surveillants de la faune et gardes-pêche).
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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...