globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12765
Scopus记录号: 2-s2.0-85017570276
论文题名:
Temperature and rainfall interact to control carbon cycling in tropical forests
作者: Taylor P.G.; Cleveland C.C.; Wieder W.R.; Sullivan B.W.; Doughty C.E.; Dobrowski S.Z.; Townsend A.R.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2017
卷: 20, 期:6
起始页码: 779
结束页码: 788
语种: 英语
英文关键词: Carbon cycle ; climate change ; decomposition ; net primary production ; nutrient cycling ; precipitation ; temperature ; tropical forest
Scopus关键词: aboveground production ; carbon cycle ; carbon dioxide ; climate change ; database ; decomposition ; drought ; net primary production ; organic matter ; precipitation (climatology) ; rainfall ; temperature ; tropical forest ; Amazon Basin ; carbon ; carbon cycle ; forest ; soil ; temperature ; tree ; tropic climate ; Carbon ; Carbon Cycle ; Forests ; Soil ; Temperature ; Trees ; Tropical Climate
英文摘要: Tropical forests dominate global terrestrial carbon (C) exchange, and recent droughts in the Amazon Basin have contributed to short-term declines in terrestrial carbon dioxide uptake and storage. However, the effects of longer-term climate variability on tropical forest carbon dynamics are still not well understood. We synthesised field data from more than 150 tropical forest sites to explore how climate regulates tropical forest aboveground net primary productivity (ANPP) and organic matter decomposition, and combined those data with two existing databases to explore climate – C relationships globally. While previous analyses have focused on the effects of either temperature or rainfall on ANPP, our results highlight the importance of interactions between temperature and rainfall on the C cycle. In cool forests (< 20 °C), high rainfall slowed rates of C cycling, but in warm tropical forests (> 20 °C) it consistently enhanced both ANPP and decomposition. At the global scale, our analysis showed an increase in ANPP with rainfall in relatively warm sites, inconsistent with declines in ANPP with rainfall reported previously. Overall, our results alter our understanding of climate – C cycle relationships, with high precipitation accelerating rates of C exchange with the atmosphere in the most productive biome on earth. © 2017 John Wiley & Sons Ltd/CNRS
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107618
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作者单位: Institute for Arctic and Alpine Research, University of Colorado, Boulder, CO, United States; Department of Ecosystem and Conservation Sciences, University of Montana, Missoula, MT, United States; National Center for Atmospheric Research, TSS, CGD/ NCAR, Boulder, CO, United States; Department of Natural Resources & Environmental Science and the Global Water Center, University of Nevada-Reno, Reno, NV, United States; School of Informatics, Computing and Cyber systems, Northern Arizona University, Flagstaff, AZ, United States; Department of Forest Management, University of Montana, Missoula, MT, United States; Institute for Arctic and Alpine Research and Environmental Studies Program, University of Colorado, Boulder, CO, United States

Recommended Citation:
Taylor P.G.,Cleveland C.C.,Wieder W.R.,et al. Temperature and rainfall interact to control carbon cycling in tropical forests[J]. Ecology Letters,2017-01-01,20(6)
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