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14C pulse-labelling
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15N natural abundance
Carbon allocation
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Ericoid mycorrhizas
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Fysisk geografi
Physical Geography
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cartography
climatology
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geomorfologi
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geomorphology
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global change
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kartografi
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klimatologi
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marklära
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open top chamber experiment
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organic acids
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pedology
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phosphorous mobilization
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subarctic tundra
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