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Fisheries
Limnology
Water quality
Rivers
8
Salmo salar
8
England
7
River fisheries
7
Salmo trutta
7
Ecology
6
Salmon fisheries
6
Fishery surveys
5
Stocking density
5
Distribution
4
Fry
4
Lune Catchment
4
Electric fishing
3
Droughts
2
Fishery management
2
Management
2
Migratory species
2
Ouse Catchment
2
Stream flow
2
Tracking
2
UK
2
Biological production
1
Cornwall
1
Distribution records
1
Fish catch statistics
1
Fish counters
1
Fishery data
1
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