Biodiversity: endangered species 2010 
Trend in breeding bird populations in Switzerland 1990-2010 
National nature reserves 1961-2011 
Definitions/comments
Strongly protected areas: national parks, moors and fens, meadows, amphibian spawning grounds, marshland.
Nature reserves: water fowl and migratory bird sanctuaries, areas with federal shooting ban, countryside and natural monuments of national importance.
Source: FOEN.
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