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England
Fish counters
Fisheries
6
Limnology
6
Salmo salar
6
Ecology
5
Rivers
5
Salmo trutta
5
Catch statistics
4
River fisheries
4
Stock assessment
4
Stream flow
4
Coarse fish
3
Salmon fisheries
3
licensing
3
Fisheries management
2
Lune Catchment
2
Angling
1
Environmental Monitoring
1
Fishery regulations
1
Fishery surveys
1
Fishing nets
1
Fishways
1
Habitat
1
Habitat improvement
1
Migrations
1
Migratory species
1
Ribble Catchment
1
Scales
1
Tagging
1
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