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globalchange

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carbon(749)
soils(293)
organic carbon(187)
nitrogen(148)
forests(75)
oxygen(61)
vegetation(52)
vegetation cover(51)
isotopes(50)
wetlands(49)
agricultural lands(43)
sedimentation(40)
aerosols(39)
carbon dioxide(39)
drought(36)
droughts(36)
absorption(32)
grasslands(31)
islands(31)
phosphorus(31)
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