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land management(86)
carbon(22)
forests(21)
conservation(20)
emissions(18)
vegetation(13)
deforestation(12)
agriculture(11)
carbon dioxide(10)
degradation(9)
landscape(9)
biomass(8)
drought(8)
lead(8)
precipitation(8)
density(7)
population(7)
soils(7)
atmosphere(6)
natural gas(6)
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