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AGRICULTURE (4)
agricultural aquatic sciences , animal science , soils ...
LAND SURFACE (33)
erosion/sedimentation , frozen ground , geomorphology , land temperature , landscape ...
ATMOSPHERE (16)
atmospheric pressure , atmospheric radiation , atmospheric temperature , atmospheric water vapor , atmospheric winds ...
OCEANS (41)
aquatic sciences , bathymetry/seafloor topography , coastal processes , marine environment monitoring , marine sediments ...
BIOLOGICAL CLASSIFICATION (184)
animals/invertebrates , animals/vertebrates , bacteria/archaea , fungi , plants ...
PALEOCLIMATE (14)
ice core records , land records , paleoclimate reconstructions ...
BIOSPHERE (266)
aquatic ecosystems , ecological dynamics , terrestrial ecosystems , vegetation ...
SOLID EARTH (9)
geomorphic landforms/processes , rocks/minerals/crystals ...
CRYOSPHERE (24)
frozen ground , glaciers/ice sheets , sea ice , snow/ice ...
TERRESTRIAL HYDROSPHERE (20)
ground water , snow/ice , surface water , water quality/water chemistry ...
HUMAN DIMENSIONS (17)
environmental governance/management , environmental impacts , habitat conversion/fragmentation , infrastructure , natural hazards ...

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