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Schlagwörter: biologische technieken
biological techniques
27
biologische monitoring
27
biologische technieken
biomonitoring
27
water quality
27
waterkwaliteit
27
nederland
21
netherlands
21
canals
15
kanalen
15
rivers
15
rivieren
15
streams
15
water
15
waterlopen
15
ecologie
12
ecology
12
monitoring
12
geschiedenis
9
history
9
oppervlaktewater
9
surface water
9
water pollution
9
waterverontreiniging
9
Nederland
6
Netherlands
6
Sterna
6
agriculture
6
animal behaviour
6
animals
6
aquatic animals
6
aquatic ecosystems
6
aquatic environment
6
aquatisch milieu
6
aquatische ecosystemen
6
benthos
6
binnenwateren
6
biocenose
6
biocoenosis
6
biological properties
6
biologische eigenschappen
6
dieren
6
diergedrag
6
ecohydrologie
6
ecohydrology
6
environment
6
fresh water
6
gewoonten
6
habits
6
hydrobiologie
6