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Ecology
Fisheries
11
North Sea
5
Baltic Sea
4
Biology
4
Gadus morhua
4
cod
4
Environment
3
German Bight
2
PCB
2
Pollution
2
diseases
2
heavy metals
2
marine ecosystem
2
pollution
2
prevalence
2
Antarctic
1
Antarctic Expedition
1
Arctic stocks
1
Baltic salmon
1
CCAMLR
1
Chemistry
1
Conservation
1
DDT
1
Engineering
1
Greenland Halibut
1
Hamburger Planktonnetz
1
Health
1
Helgoländer Larvennetz
1
Krill
1
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