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globalchange

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carbon(3)
nitrogen(3)
population(2)
absorption(1)
altitude(1)
carbon dioxide(1)
chlorophyll(1)
conservation(1)
dominant species(1)
eutrophication(1)
fertilizers(1)
heat(1)
landscape(1)
magnesium(1)
nitrogen dioxide(1)
nutrients(1)
oil spills(1)
organic carbon(1)
organic matter(1)
oxygen(1)
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