Joint control of terrestrial gross primary productivity by plant phenology and physiology

Proceedings of the National Academy of Sciences of the United States of America
Jianyang XiaYiqi Luo

Abstract

Terrestrial gross primary productivity (GPP) varies greatly over time and space. A better understanding of this variability is necessary for more accurate predictions of the future climate-carbon cycle feedback. Recent studies have suggested that variability in GPP is driven by a broad range of biotic and abiotic factors operating mainly through changes in vegetation phenology and physiological processes. However, it is still unclear how plant phenology and physiology can be integrated to explain the spatiotemporal variability of terrestrial GPP. Based on analyses of eddy-covariance and satellite-derived data, we decomposed annual terrestrial GPP into the length of the CO2 uptake period (CUP) and the seasonal maximal capacity of CO2 uptake (GPPmax). The product of CUP and GPPmax explained >90% of the temporal GPP variability in most areas of North America during 2000-2010 and the spatial GPP variation among globally distributed eddy flux tower sites. It also explained GPP response to the European heatwave in 2003 (r(2) = 0.90) and GPP recovery after a fire disturbance in South Dakota (r(2) = 0.88). Additional analysis of the eddy-covariance flux data shows that the interbiome variation in annual GPP is better explained by that ...Continue Reading

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Citations

Sep 21, 2015·Environmental Research·Juanjuan HanJiquan Chen
Apr 4, 2019·Global Change Biology·Taejin ParkRanga B Myneni
Nov 14, 2018·Nature Ecology & Evolution·Kun HuangYiqi Luo
Aug 16, 2017·Nature Ecology & Evolution·Talie MusaviMiguel D Mahecha
Jun 5, 2019·Nature Communications·Xufeng WangRachhpal S Jassal
Jul 7, 2019·International Journal of Biometeorology·Hui WangQuansheng Ge
Aug 18, 2020·Global Change Biology·Jianyang XiaShuli Niu
Jan 23, 2017·Nature Ecology & Evolution·Talie MusaviMiguel D Mahecha
Aug 26, 2020·Proceedings of the National Academy of Sciences of the United States of America·Alan K KnappMelinda D Smith
Oct 4, 2017·Nature Ecology & Evolution·Mengtian HuangJosep Peñuelas
Feb 27, 2020·Scientific Reports·Altaaf Mechiche-Alami, Abdulhakim M Abdi
Nov 21, 2020·Science China. Life Sciences·Yuanfeng SunJingyun Fang
Aug 2, 2020·The Science of the Total Environment·Fandong MengShiping Wang
Nov 15, 2020·The Science of the Total Environment·Wanying ChengLiming Yan
Feb 14, 2021·Nature Communications·Xu LianRanga B Myneni
May 30, 2020·The Science of the Total Environment·Linghui GuoXiangming Xiao
Apr 21, 2021·Proceedings of the National Academy of Sciences of the United States of America·Phoebe L ZarnetskeCheng-En Yang
Oct 25, 2021·Global Change Biology·Alistair RogersDanielle A Way

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