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globalchange

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degradation(49)
invasive species(49)
islands(49)
mortality(49)
lakes(47)
soils(45)
oceans(43)
infrastructure(38)
population size(37)
erosion(36)
heat(36)
leads(36)
nitrogen(34)
drought(33)
salinity(32)
preservation(29)
boundaries(28)
population density(28)
water quality(28)
atmosphere(27)
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