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globalchange

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surface water(11)
population(6)
carbon(3)
density(3)
population density(3)
ammonia(2)
atmosphere(2)
biomass(2)
degradation(2)
emissions(2)
lead(2)
nutrients(2)
organic carbon(2)
water quality(2)
absorption(1)
agriculture(1)
beaches(1)
buildings(1)
carbon dioxide(1)
coastal habitat(1)
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