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Schlagwörter: lakes
canals
12
kanalen
12
lakes
meren
12
nederland
12
netherlands
12
plassen
12
ponds
12
reservoirs
12
river water
12
rivers
12
rivieren
12
rivierwater
12
streams
12
water
12
waterlopen
12
aquatic ecosystems
6
aquatische ecosystemen
6
binnenwateren
6
biocenose
6
biocoenosis
6
biological properties
6
biological techniques
6
biologische eigenschappen
6
biologische monitoring
6
biologische technieken
6
biomonitoring
6
ecohydrologie
6
ecohydrology
6
ecologie
6
ecology
6
eigenschappen
6
fresh water
6
friesland
6
hydrobiologie
6
hydrobiology
6
hydrologie
6
hydrology
6
inland waters
6
national parks
6
nationale parken
6
nature reserves
6
natuurreservaten
6
oppervlaktewater
6
overijssel
6
properties
6
surface water
6
water quality
6
waterkwaliteit
6
zoet water
6