Does growing atmospheric CO₂ explain increasing carbon sink in a boreal coniferous forest?

This increase was due to a positive trend in GPP, whose magnitude varied from +8.0 to 10.0 g C m ‐ 2 a ‐ 1 (+0.6 to +0.9 % a ‐ 1 , p < .05) depending on the flux partitioning method.

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A marginally significant advancement in start date of net carbon uptake (−1.0 d a ‐ 1 ), occurring on average April 17th, was found.

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