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Robert Hollister


The Arctic climate is rapidly changing and perhaps the most impactful ecosystem change is the shifting balance between photosynthesis and respiration towards respiration. Here we correlated CO2-flux data generated from experimentally warmed and control plots established by the International Tundra Experiment (ITEX) at the dry heath tundra in Utqiaġvik, AK with several abiotic and vegetation measurements conducted on the same plots. We found significant correlations between the vegetation and CO2-flux measurements. Linking the change of CO2-flux to the changes in tundra vegetation will provide a deeper understanding of the impacts of climate change on the Arctic and allow for more accurate predictions of future carbon dynamics.

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