Drought: The most important physical stress of terrestrial ecosystems |
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| Institution: | 1. College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China;2. State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China;1. College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China;2. Qinling National Forest Ecosystem Research Station, Huoditang, Ningshan, Shaanxi 711600, China;1. State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China;2. College of Fisheries and Life Science;Shanghai Ocean University, Shanghai 201306, China;1. School of Chemistry and Environment Engineering, Chong Qing Three Gorges University, Chongqing 404000, China;2. School of Life Science and Engineering, Chong Qing Three Gorges University, Chongqing 404000, China;3. Key Laboratory of Southwest China Wildlife Resources Conservation, Ministry of Education, China West Normal University, Nanchong 637002, China;1. College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China;2. Joint Center for Global Change Studies, Beijing 100875, China;3. College of Business Administration, Huaqiao University, Fujian 362021, China;4. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China |
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| Abstract: | Drought is projected to become more prevalent in the future due to climate change, and its impact on the fate of terrestrial ecosystems has aroused great concern in the scientific community over the past decade. Mounting evidence suggests that drought may be the most important physical stress of terrestrial ecosystems: drought limits vegetation growth, increases wildfires, and induces tree mortality, among other impacts. Drought not only weakens the carbon sink function of terrestrial ecosystems but also may interfere directly or indirectly with biosphere–atmosphere interactions, further exacerbating climate change. This paper reviews the current evidence of the impacts of drought on terrestrial ecosystems, with particular emphasis on the ways in which drought alters the biological, biogeophysical and biogeochemical processes underlying the interaction between the biosphere and the atmosphere. |
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| Keywords: | Drought Stress Terrestrial ecosystems Wildfire Tree mortality |
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