Enhanced seasonal CO2 exchange caused by amplified plant productivity in northern ecosystems

Science
Matthias ForkelM Reichstein

Abstract

Atmospheric monitoring of high northern latitudes (> 40°N) has shown an enhanced seasonal cycle of carbon dioxide (CO2) since the 1960s but the underlying mechanisms are not yet fully understood. The much stronger increase in high latitudes compared to low ones suggests that northern ecosystems are experiencing large changes in vegetation and carbon cycle dynamics. Here we show that the latitudinal gradient of the increasing CO2 amplitude is mainly driven by positive trends in photosynthetic carbon uptake caused by recent climate change and mediated by changing vegetation cover in northern ecosystems. Our results emphasize the importance of climate-vegetation-carbon cycle feedbacks at high latitudes, and indicate that during the last decades photosynthetic carbon uptake has reacted much more strongly to warming than carbon release processes.

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Citations

Jun 20, 2016·Journal of Plant Physiology·Devrim CoskunHerbert J Kronzucker
Jun 30, 2016·Proceedings of the National Academy of Sciences of the United States of America·Nicholas C ParazooCharles E Miller
Nov 26, 2016·Scientific Reports·Xuanlong MaGuillermo Ponce-Campos
May 10, 2017·Proceedings of the National Academy of Sciences of the United States of America·Róisín CommaneSteven C Wofsy
Oct 20, 2018·The New Phytologist·Simone FatichiSebastian Leuzinger
Nov 14, 2018·Global Change Biology·Jasmine M SabanGail Taylor
Oct 9, 2018·Global Change Biology·A Joshua LefflerJeffrey M Welker
Oct 18, 2016·F1000Research·Dennis BaldocchiTrevor Keenan
Sep 16, 2017·Global Change Biology·Shilong PiaoTao Wang
Apr 4, 2019·Global Change Biology·Taejin ParkRanga B Myneni
Jul 6, 2019·Global Change Biology·Kun Huang, Jianyang Xia
Nov 14, 2018·Nature Ecology & Evolution·Kun HuangYiqi Luo
Oct 30, 2019·The Plant Journal : for Cell and Molecular Biology·Jürgen KnauerYing Sun
May 18, 2020·Global Change Biology·Kai WangShilong Piao
Feb 6, 2020·Global Change Biology·Vanessa HaverdCathy M Trudinger
Aug 22, 2017·Frontiers in Plant Science·Rakesh KumarAnirudh Kumar
Feb 20, 2019·Nature Sustainability·Chi ChenRanga B Myneni
Aug 21, 2020·Proceedings of the National Academy of Sciences of the United States of America·Xin LinGretchen Keppel-Aleks
May 30, 2019·Proceedings of the National Academy of Sciences of the United States of America·Troy S MagneyChristian Frankenberg
Dec 21, 2018·Nature Communications·Tao WangYutong Zhao
Feb 23, 2019·Nature Communications·Alexander J WinklerVictor Brovkin
Aug 14, 2020·The New Phytologist·Anthony P WalkerPieter A Zuidema
Nov 5, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Yangkun GuoJianlin Shi
Aug 25, 2020·Sustainable Cities and Society·Lei FangVilas Nitivattananon
Jan 1, 2021·Global Biogeochemical Cycles·Michael O'SullivanWolfgang Buermann

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