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Belgium
6
Biodiversity
3
G
3
Geographic levels
3
Geography. Anthropology. Recreation
3
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3
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3
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3
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3
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3
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3
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3
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3
biodiversity
3
geographic levels
3
global level
3
indicator
3
local level
3
model
3
red list
3
species mass appraisal
3
threat
3