globalchange  > 气候变化事实与影响
Scopus记录号: 2-s2.0-85056207254
论文题名:
Drought legacies are dependent on water table depth, wood anatomy and drought timing across the eastern US
作者: Kannenberg S.A.; Maxwell J.T.; Pederson N.; D'Orangeville L.; Ficklin D.L.; Phillips R.P.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2019
卷: 22, 期:1
起始页码: 119
结束页码: 127
语种: 英语
英文关键词: Climate change ; forests ; legacy effects ; tree rings
英文摘要: Severe droughts can impart long-lasting legacies on forest ecosystems through lagged effects that hinder tree recovery and suppress whole-forest carbon uptake. However, the local climatic and edaphic factors that interact to affect drought legacies in temperate forests remain unknown. Here, we pair a dataset of 143 tree ring chronologies across the mesic forests of the eastern US with historical climate and local soil properties. We found legacy effects to be widespread, the magnitude of which increased markedly in diffuse porous species, sites with deep water tables, and in response to late-season droughts (August–September). Using an ensemble of downscaled climate projections, we additionally show that our sites are projected to drastically increase in water deficit and drought frequency by the end of the century, potentially increasing the size of legacy effects by up to 65% and acting as a significant process shaping forest composition, carbon uptake and mortality. © 2018 John Wiley & Sons Ltd/CNRS
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122772
Appears in Collections:气候变化事实与影响

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作者单位: School of Biological Sciences, University of Utah, Salt Lake City, UT 84112, United States; Department of Biology, Indiana University, Bloomington, IN 47405, United States; Department of Geography, Indiana University, Bloomington, IN 47405, United States; Harvard Forest, Harvard University, Petersham, MA 10366, United States; Faculty of Forestry and Environmental Management, University of New Brunswick, Fredericton, NB E3B 5A3, Canada

Recommended Citation:
Kannenberg S.A.,Maxwell J.T.,Pederson N.,et al. Drought legacies are dependent on water table depth, wood anatomy and drought timing across the eastern US[J]. Ecology Letters,2019-01-01,22(1)
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