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globalchange

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carbon(18)
precipitation(13)
population(9)
density(8)
forests(6)
urban areas(6)
emissions(5)
humidity(5)
lakes(5)
rural areas(5)
degradation(4)
nutrients(4)
organic carbon(4)
salinity(4)
surface water(4)
carbon dioxide(3)
conservation(3)
lead(3)
nitrogen(3)
organic matter(3)
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