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Belgium
45
Life sciences
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Otter
Sciences du vivant
45
Zoologie
26
Zoology
26
Environmental sciences & ecology
19
Sciences de l’environnement & écologie
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Wallony
15
endangered species
15
fish resources
15
habitat degradation
15
water quality
15
Conservation
11
status
11
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11
conservation
8
distribution
7
Our Basin
4
improvements
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restoration
4