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Environmental sciences
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3
Climatic changes
2
Hydrology
2
Bark--Analysis
1
Dendroclimatology
1
Drought forecasting
1
Droughts
1
Forests and forestry
1
Geophysics
1
Paleoclimatology
1
Paleoclimatology--Mathematical models
1
Pinus sibirica
1
Plant morphology
1