Vegetation browning: global drivers, impacts, and feedbacks

Vegetation browning has progressively increased globally under a background of climate change.Under climate change, increases in the intensity and duration of disturbances (i.e., drought, wildfire, insect and pathogen outbreaks, and wind and ice storms) are the major driving factors behind vegetatio...

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Vydáno v:Trends in plant science Ročník 28; číslo 9; s. 1014 - 1032
Hlavní autoři: Liu, Qiuyu, Peng, Changhui, Schneider, Robert, Cyr, Dominic, Liu, Zelin, Zhou, Xiaolu, Du, Mingxi, Li, Peng, Jiang, Zihan, McDowell, Nate G., Kneeshaw, Daniel
Médium: Journal Article
Jazyk:angličtina
Vydáno: England Elsevier Ltd 01.09.2023
Cell Press
Témata:
BASIC BIOLOGICAL SCIENCES
climate
climate change
ecosystem functions
ecosystem services
ecosystems
ENVIRONMENTAL SCIENCES
feedbacks
remote sensing
species diversity
vegetation
vegetation structure
ecosystem functions
feedbacks
ecosystem services
climate change
ISSN:1360-1385, 1878-4372, 1878-4372
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Shrnutí:Vegetation browning has progressively increased globally under a background of climate change.Under climate change, increases in the intensity and duration of disturbances (i.e., drought, wildfire, insect and pathogen outbreaks, and wind and ice storms) are the major driving factors behind vegetation browning.The weakening of ecosystem services and functions and alterations to vegetation structure and species composition will be accompanied by vegetation browning.Potential positive browning feedbacks may exacerbate climate change. As global climate conditions continue to change, disturbance regimes and environmental drivers will continue to shift, impacting global vegetation dynamics. Following a period of vegetation greening, there has been a progressive increase in remotely sensed vegetation browning globally. Given the many societal benefits that forests provide, it is critical that we understand vegetation dynamic alterations. Here, we review associative drivers, impacts, and feedbacks, revealing the complexity of browning. Concomitant increases in browning include the weakening of ecosystem services and functions and alterations to vegetation structure and species composition, as well as the development of potential positive climate change feedbacks. Also discussed are the current challenges in browning detection and understanding associated impacts and feedbacks. Finally, we outline recommended strategies.
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Natural Sciences and Engineering Research Council of Canada (NSERC)
National Natural Science Foundation of China (NSFC)
PNNL-SA-183058
AC05-76RL01830; U22A20570; 2022RC4027
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Science and Technology Innovation Program of Hunan Province
ISSN:1360-1385
1878-4372
1878-4372
DOI:10.1016/j.tplants.2023.03.024