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Title: Tree drought physiology: critical research questions and strategies for mitigating climate change effects on forests

Journal Article · · New Phytologist
DOI: https://doi.org/10.1111/nph.20326 · OSTI ID:2483400
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [5]; ORCiD logo [6]; ORCiD logo [7]; ORCiD logo [8]; ORCiD logo [9]; ORCiD logo [10]; ORCiD logo [11];  [12]; ORCiD logo [13]; ORCiD logo [14]; ORCiD logo [15]; ORCiD logo [16]
  1. USDA Forest Service, Burlington, VT (United States); USDA Forest Service, Placerville, CA (United States)
  2. Harvard Univ., Cambridge, MA (United States)
  3. Gottingen Univ. (Germany)
  4. Univ. of Montana, Missoula, MT (United States)
  5. Western Sydney University, Penrith, NSW (Australia)
  6. Yale Univ., New Haven, CT (United States)
  7. Univ. of California, Santa Cruz, CA (United States)
  8. Smith College, Northampton, MA (United States)
  9. Univ. of Wroclaw (Poland)
  10. Univ. of California, Davis, CA (United States)
  11. Pacific Northwest National Laboratory (PNNL), Richland, WA (United States); Washington State Univ., Pullman, WA (United States)
  12. Connecticut College, New London, CT (United States)
  13. Volcani Institute (Israel). Agricultural Research Organization
  14. Univ. of Vermont, Burlington, VT (United States)
  15. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
  16. Harvard Univ., Cambridge, MA (United States); Volcani Institute (Israel). Agricultural Research Organization

Droughts of increasing severity and frequency are a primary cause of forest mortality associated with climate change. Yet, fundamental knowledge gaps regarding the complex physiology of trees limit the development of more effective management strategies to mitigate drought effects on forests. Here, in this work, we highlight some of the basic research needed to better understand tree drought physiology and how new technologies and interdisciplinary approaches can be used to address them. Our discussion focuses on how trees change wood development to mitigate water stress, hormonal responses to drought, genetic variation underlying adaptive drought phenotypes, how trees ‘remember’ prior stress exposure, and how symbiotic soil microbes affect drought response. Next, we identify opportunities for using research findings to enhance or develop new strategies for managing drought effects on forests, ranging from matching genotypes to environments, to enhancing seedling resilience through nursery treatments, to landscape-scale monitoring and predictions. We conclude with a discussion of the need for co-producing research with land managers and extending research to forests in critical ecological regions beyond the temperate zone.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
AC05-00OR22725; AC05-76RL01830
OSTI ID:
2483400
Report Number(s):
PNNL-SA--207588
Journal Information:
New Phytologist, Journal Name: New Phytologist Journal Issue: 5 Vol. 245; ISSN 0028-646X
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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