Cited by 606Plant Water Relations and Carbon DynamicsFire effects on ecosystemsForest Insect Ecology and Management

The impacts of increasing drought on forest dynamics, structure, and biodiversity in the United States

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Clark, James S., Iverson, Louis, Woodall, Christopher W., Allen, Craig D., Bell, David M., Bragg, Don C., D'Amato, Anthony W., Davis, Frank W. +9 more·2016·Global Change Biology

Abstract

We synthesize insights from current understanding of drought impacts at stand‐to‐biogeographic scales, including management options, and we identify challenges to be addressed with new research. Large stand‐level shifts underway in western forests already are showing the importance of interactions involving drought, insects, and fire. Diebacks, changes in composition and structure, and shifting range limits are widely observed. In the eastern US, the effects of increasing drought are becoming better understood at the level of individual trees, but this knowledge cannot yet be confidently translated to predictions of changing structure and diversity of forest stands. While eastern forests have not experienced the types of changes seen in western forests in recent decades, they too are vulnerable to drought and could experience significant changes with increased severity, frequency, or duration in drought. Throughout the continental United States, the combination of projected large climate‐induced shifts in suitable habitat from modeling studies and limited potential for the rapid migration of tree populations suggests that changing tree and forest biogeography could substantially lag habitat shifts already underway. Forest management practices can partially ameliorate drought impacts through reductions in stand density, selection of drought‐tolerant species and genotypes, artificial regeneration, and the development of multistructured stands. However, silvicultural treatments also could exacerbate drought impacts unless implemented with careful attention to site and stand characteristics. Gaps in our understanding should motivate new research on the effects of interactions involving climate and other species at the stand scale and how interactions and multiple responses are represented in models. This assessment indicates that, without a stronger empirical basis for drought impacts at the stand scale, more complex models may provide limited guidance.

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Crossref · 10.1111/gcb.13160

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  • The coupling of climatic warming and more extensive droughts may shift the conifer zone up in elevation, with severe fire and bark-beetle-caused tree mortality being a major driver of this shift.

    “In many areas, the coupling of climatic warming and more extensive droughts may shift the conifer zone up in elevation, with severe fire and bark-beetle-caused tree mortality being a major driver of this shift (Fellows andGouldin 2012, Clark et al. 2016).”

    From Drought, Tree Mortality, and Wildfire in Forests Adapted to Frequent Fire (2018) · cites this paper as Clark et al. 2016

    Box 2 (page unavailable) reports an upslope retreat of ponderosa pine associated with drought-induced mortality and describes widespread bark-beetle mortality during drought. The section on drought-related biogeographic and biome shifts (page unavailable) says fire and insect-related dieback can accelerate changes in species distributions. It does not establish that severe fire and bark-beetle mortality are a major driver of an upward shift of the conifer zone generally. (LLM, conf=0.84)

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Research works printed but not linked: 11

  1. [36]36. Brown TC, Hobbins MT, Ramirez JA (2008) Spatial distribution of water supply in the coterminous United States1. Journal of the American Water Resources Association, 44, 1474-1487.
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Authors
Clark, J. S., Iverson, L., Woodall, C. W., Allen, C. D., Bell, D. M., Bragg, D. C., D'Amato, A. W., Davis, F. W., Hersh, M. H., Ibanez, I., Jackson, S. T., Matthews, S., Pederson, N., Peters, M., Schwartz, M. W., Waring, K. M., & Zimmermann, N. E.
Affiliations
  • Duke University (US)
  • US Forest Service (US)
  • Fort Collins Science Center (US)
  • Pacific Northwest Research Station (US)
  • Southern Research Station (US)
  • Rubenstein School of Environment and Natural Resources University of Vermont 04E Aiken Center, 81 Carrigan Dr. Burlington VT 05405 USA
  • University of California, Santa Barbara (US)
  • Sarah Lawrence College (US)
  • School of Natural Resources and Environment University of Michigan 2546 Dana Building Ann Arbor MI 48109 USA
  • United States Geological Survey (US)
  • The Ohio State University (US)
  • Harvard University (US)
  • Forest Service Northern Research Station Delaware OH 43015 USA
  • University of California, Davis (US)
  • Northern Arizona University (US)
  • Swiss Federal Institute for Forest, Snow and Landscape Research (CH)
Corresponding author
Clark, James S.
Venue
Global Change Biology
Publisher
Wiley
Published
2016-02-21
Volume
22
Issue
7
Pages
2329-2352
ISSN
  • 1354-1013 (ISSN-L)
  • 1365-2486
OpenAlex
W2286881062
Cited by
606
References
292
Citations by year
2026: 55 · 2025: 46 · 2024: 58 · 2023: 65 · 2022: 70 · 2021: 87 · 2020: 58 · 2019: 53 · 2018: 59 · 2017: 36 · 2016: 19
FWCI
6.07
Type
journal article
Language
en
Open access
Locations
  • Global Change Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Deep Blue (University of Michigan) (submittedVersion)
  • DORA WSL (Swiss Federal Institute for Forest, Snow and Landscape Research) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
National Science Foundation (EF‐1550911)
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Plant Water Relations and Carbon Dynamics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Fire effects on ecosystems
  • Physical Sciences › Environmental Science › Ecology › Forest Insect Ecology and Management
Keywords
drought impacts, forest dynamics, forest structure, forest biodiversity, western forests, eastern forests, tree dieback, range limits, tree migration, forest management, silviculture, drought-tolerant species, forest regeneration, stand density
MeSH terms
Trees, United States, Ecosystem, Biodiversity, Droughts, Forests

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