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globalchange

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population(163)
conservation(111)
forests(68)
carbon(52)
coral reefs(50)
surface water(48)
density(45)
lakes(43)
fisheries(34)
oceans(34)
vegetation(34)
mortality(31)
salinity(31)
nitrogen(29)
biomass(27)
invasive species(24)
lead(23)
islands(20)
wetlands(20)
landscape(19)
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