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Ecology
Fisheries
Limnology
17
Rivers
Salmo salar
17
Salmon fisheries
England
16
Fishery surveys
14
River fisheries
13
Salmo trutta
13
Lune Catchment
10
Distribution
9
Stocking density
8
Water quality
6
Fry
5
Population number
4
Catch statistics
3
Electric fishing
3
Stream flow
3
Droughts
2
Fish counters
2
Length frequency
2
Ouse Catchment
2
Population dynamics
2
Stock assessment
2
Wyre Catchment
2
Abundance
1
Angling
1
Biological production
1
Distribution records
1
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