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Arctic Ocean
Q
2
Science
2
Environmental sciences
1
Environmental technology. Sanitary engineering
1
GE1-350
1
GEOTRACES
1
General. Including nature conservation
1
Physics
1
QC1-999
1
QH1-199.5
1
TD1-1066
1
biogeochemical cycles
1
diatoms
1
geographical distribution
1
nutrients
1
phytoplankton
1
river discharge
1
sea ice concentration
1
silicon isotopes
1
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