Elevated atmospheric CO2 concentration and vegetation structural changes contributed to gross primary productivity increase more than climate and forest cover changes in subtropical forests of China

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Abstract CO 2 g C m - 2 yr - 1, p < 0.001) under the interaction effects of FCC, LAI change, rising CO 2 CO 2 g C m - 2 yr - 1, p < 0.001) and LAI change (3.79 g C m - 2 yr - 1, p = 0.004) were the two dominant drivers of total subtropical forest GPP increase, followed by the effects of FCC (0.52 g C m - 2 yr - 1, p < 0.001) and CC (0.92 g C m - 2 yr - 1, p = 0.080). We observed different responses to drivers depending on forest types. The evergreen broad-leaved forests showed the maximum carbon sequestration rate due to the positive effects of all drivers. Both the FCC (0.19 g C m - 2 yr - 1, p < 0.05) and CC (1.22 g C m - 2 yr - 1, p < 0.05) significantly decreased evergreen needle-leaved forest GPP, while their negative effects were almost offset by the positive impact of LAI changes. Our results indicated that LAI outweighed FCC in promoting GPP, which is an essential driver that needs to be accounted for in studies and ecological and management programmes. Overall, our study offers a novel perspective on different drivers of subtropical forest GPP changes and provides valuable information for policy makers to better manage subtropical forests to mitigate climate change risks.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Elevated atmospheric CO₂ concentration and vegetation structural changes contributed to gross primary productivity increase more than climate and forest cover changes in subtropical forests of China ; volume:21 ; number:9 ; year:2024 ; pages:2253-2272 ; extent:20
Biogeosciences ; 21, Heft 9 (2024), 2253-2272 (gesamt 20)

Creator: Chen, Tao
Meunier, Félicien
Peaucelle, Marc
Tang, Guoping
Yuan, Ye
Verbeeck, Hans

DOI: 10.5194/bg-21-2253-2024

URN: urn:nbn:de:101:1-2405090416486.099775939046

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 14.08.2025, 10:52 AM CEST

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Associated

Chen, Tao
Meunier, Félicien
Peaucelle, Marc
Tang, Guoping
Yuan, Ye
Verbeeck, Hans

Other Objects (12)

Elevated atmospheric CO2 and vegetation structural changes contributed to GPP increase more than climate and forest cover changes in subtropical forests of China

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Elevated atmospheric CO2 and vegetation structural changes contributed to GPP increase more than climate and forest cover changes in subtropical forests of China

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Southern Ocean control on atmospheric CO2 changes across late-Pliocene Marine Isotope Stage M2

Diurnal variability of atmospheric O2, CO2, and their exchange ratio above a boreal forest in southern Finland

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Elevated atmospheric CO2 and vegetation structural changes contributed to GPP increase more than climate and forest cover changes in subtropical forests of China

Temperature sensitivity of dark CO2 fixation in temperate forest soils

Spatiotemporal lagging of predictors improves machine learning estimates of atmosphere–forest CO2 exchange

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Southern Ocean control on atmospheric CO2 changes across late-Pliocene Marine Isotope Stage M2

Diurnal variability of atmospheric O2, CO2, and their exchange ratio above a boreal forest in southern Finland

Diurnal variability of atmospheric O2, CO2 and their exchange ratio above a boreal forest in southern Finland

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Elevated atmospheric CO<sub>2</sub> concentration and vegetation structural changes contributed to gross primary productivity increase more than climate and forest cover changes in subtropical forests of China

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Other Objects (12)

Elevated atmospheric CO<sub>2</sub> and vegetation structural changes contributed to GPP increase more than climate and forest cover changes in subtropical forests of China

Temperature sensitivity of dark CO<sub>2</sub> fixation in temperate forest soils

Temperature sensitivity of dark CO<sub>2</sub> fixation in temperate forest soils

Spatiotemporal lagging of predictors improves machine learning estimates of atmosphere–forest CO<sub>2</sub> exchange

Modelled forest ecosystem carbon-nitrogen dynamics with integrated mycorrhizal processes under elevated CO<sub>2</sub>

Traces of urban forest in temperature and CO<sub>2</sub> signals in monsoon East Asia

Modelled forest ecosystem carbon–nitrogen dynamics with integrated mycorrhizal processes under elevated CO<sub>2</sub>

Traces of urban forest in temperature and CO<sub>2</sub> signals in monsoon East Asia

Eddy covariance fluxes of CO<sub>2</sub>, CH<sub>4</sub> and N<sub>2</sub>O on a drained peatland forest after clearcutting

Southern Ocean control on atmospheric CO<sub>2</sub> changes across late-Pliocene Marine Isotope Stage M2

Diurnal variability of atmospheric O<sub>2</sub>, CO<sub>2</sub>, and their exchange ratio above a boreal forest in southern Finland

Diurnal variability of atmospheric O<sub>2</sub>, CO<sub>2</sub> and their exchange ratio above a boreal forest in southern Finland

Elevated atmospheric CO<sub>2</sub> and vegetation structural changes contributed to GPP increase more than climate and forest cover changes in subtropical forests of China

Temperature sensitivity of dark CO<sub>2</sub> fixation in temperate forest soils

Temperature sensitivity of dark CO<sub>2</sub> fixation in temperate forest soils

Spatiotemporal lagging of predictors improves machine learning estimates of atmosphere–forest CO<sub>2</sub> exchange

Modelled forest ecosystem carbon-nitrogen dynamics with integrated mycorrhizal processes under elevated CO<sub>2</sub>

Traces of urban forest in temperature and CO<sub>2</sub> signals in monsoon East Asia

Modelled forest ecosystem carbon–nitrogen dynamics with integrated mycorrhizal processes under elevated CO<sub>2</sub>

Traces of urban forest in temperature and CO<sub>2</sub> signals in monsoon East Asia

Eddy covariance fluxes of CO<sub>2</sub>, CH<sub>4</sub> and N<sub>2</sub>O on a drained peatland forest after clearcutting

Southern Ocean control on atmospheric CO<sub>2</sub> changes across late-Pliocene Marine Isotope Stage M2

Diurnal variability of atmospheric O<sub>2</sub>, CO<sub>2</sub>, and their exchange ratio above a boreal forest in southern Finland

Diurnal variability of atmospheric O<sub>2</sub>, CO<sub>2</sub> and their exchange ratio above a boreal forest in southern Finland

Elevated atmospheric CO<sub>2</sub> and vegetation structural changes contributed to GPP increase more than climate and forest cover changes in subtropical forests of China

Temperature sensitivity of dark CO<sub>2</sub> fixation in temperate forest soils

Temperature sensitivity of dark CO<sub>2</sub> fixation in temperate forest soils

Spatiotemporal lagging of predictors improves machine learning estimates of atmosphere–forest CO<sub>2</sub> exchange

Modelled forest ecosystem carbon-nitrogen dynamics with integrated mycorrhizal processes under elevated CO<sub>2</sub>

Traces of urban forest in temperature and CO<sub>2</sub> signals in monsoon East Asia

Modelled forest ecosystem carbon–nitrogen dynamics with integrated mycorrhizal processes under elevated CO<sub>2</sub>

Traces of urban forest in temperature and CO<sub>2</sub> signals in monsoon East Asia

Eddy covariance fluxes of CO<sub>2</sub>, CH<sub>4</sub> and N<sub>2</sub>O on a drained peatland forest after clearcutting

Southern Ocean control on atmospheric CO<sub>2</sub> changes across late-Pliocene Marine Isotope Stage M2

Diurnal variability of atmospheric O<sub>2</sub>, CO<sub>2</sub>, and their exchange ratio above a boreal forest in southern Finland

Diurnal variability of atmospheric O<sub>2</sub>, CO<sub>2</sub> and their exchange ratio above a boreal forest in southern Finland

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