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54 Environmental Sciences
1
58 Geosciences
580202 -- Geophysics-- Volcanology-- (1980-1989)
1
Algae
1
Animals
1
Arthropods
1
Biomass
1
Birds
1
Chemical Composition
Ecosystems
1
Energy Sources
1
Environmental Effects
1
Food Chains
1
Fungi
1
Growth
1
Insects
1
Invertebrates
1
Islands
1
Land Reclamation
1
Lichens
1
Metabolism
1
Microorganisms
1
Mosses
Nitrogen Cycle
1
Plant Growth
1
Plants
1
Population Dynamics
1
Renewable Energy Sources
1
Soils
1
Terrestrial Ecosystems
1
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