Articles | Volume 15, issue 5
Biogeosciences, 15, 1293–1318, 2018
https://doi.org/10.5194/bg-15-1293-2018
Biogeosciences, 15, 1293–1318, 2018
https://doi.org/10.5194/bg-15-1293-2018

Research article 05 Mar 2018

Research article | 05 Mar 2018

Impacts of droughts and extreme-temperature events on gross primary production and ecosystem respiration: a systematic assessment across ecosystems and climate zones

Jannis von Buttlar et al.

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Latest update: 20 Oct 2021
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Short summary
Our work systematically quantifies extreme heat and drought event impacts on gross primary productivity (GPP) and ecosystem respiration globally across a wide range of ecosystems. We show that heat extremes typically increased mainly respiration whereas drought decreased both fluxes. Combined heat and drought extremes had opposing effects offsetting each other for respiration, but there were also strong reductions in GPP and hence the strongest reductions in the ecosystems carbon sink capacity.
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