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chlorophyll
21
climate indices
21
climatic fluctuation
21
eutrophication indicators
phytoplankton
21
primary production
21
Biological Oceanography
20
Chemical Oceanography
20
Marine Biology
20
Marine Engineering
20
Marine Geoscience
20
NAO
20
Oceanography
20
Physical Oceanography
20
atmospheric circulation
20
General. Including nature conservation
1
Q
1
QH1-199.5
1
Science
1
geographical distribution
1
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