Journal
TRENDS IN ECOLOGY & EVOLUTION
Volume 36, Issue 6, Pages 520-532Publisher
CELL PRESS
DOI: 10.1016/j.tree.2021.02.001
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Funding
- National Science Foundation (NSF) [2003205]
- US Department of Agriculture (USDA) National Institute of Food and Agriculture, Agricultural and Food Research Initiative Competitive Programme grant [2018-67012-31496]
- University of California Laboratory Fees Research Program [LFR-20-652467]
- NSF [2003205, DBI-1711243, 1714972, 1802880]
- National Oceanic and Atmospheric Administration (Climate and Global Change Fellowship)
- David and Lucille Packard Foundation
- USDA National Institute of Food and Agriculture, Agricultural and Food Research Initiative Competitive Programme, Ecosystem Services and Agroecosystem Management grant [2018-67019-27850]
- US Geological Survey's Ecosystems Mission Area
- Land Resources Research and Development program
- Direct For Biological Sciences [2003205] Funding Source: National Science Foundation
- Division Of Environmental Biology [2003205] Funding Source: National Science Foundation
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Widespread tree mortality following droughts is a significant ecological surprise, with predictions limited by physiological factors, site factors, and ecological interactions. An integrative approach is needed to assess forest risk to drought-driven mortality in a changing climate.
Widespread tree mortality following droughts has emerged as an environmentally and economically devastating 'ecological surprise'. It is well established that tree physiology is important in understanding drought-driven mortality; however, the accuracy of predictions based on physiology alone has been limited. We propose that complicating factors at two levels stymie predictions of drought-driven mortality: (i) organismal-level physiological and site factors that obscure understanding of drought exposure and vulnerability and (ii) community-level ecological interactions, particularly with biotic agents whose effects on tree mortality may reverse expectations based on stress physiology. We conclude with a path forward that emphasizes the need for an integrative approach to stress physiology and biotic agent dynamics when assessing forest risk to drought-driven morality in a changing climate.
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