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Forests may lose ability to protect against extremes of climate change

Date:
June 29, 2018
Source:
The University of Montana
Summary:
A recent study suggests that a warming climate in the Pacific Northwest would lessen the capacity of many forest microclimates to moderate climate extremes in the future.
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Forests, one of the most dominate ecosystems on Earth, harbor significant biodiversity. Scientists have become increasingly interested in how this diversity is enhanced by the sheltering microclimates produced by trees.

A recent University of Montana study suggests that a warming climate in the Pacific Northwest would lessen the capacity of many forest microclimates to moderate climate extremes in the future.

The study was published in Ecography: A Journal of Space and Time in Ecology.

"Forest canopies produce microclimates that are less variable and more stable than similar settings without forest cover," said Kimberley Davis, a UM postdoctoral research associate and the lead author of the study. "Our work shows that the ability of forests to buffer climate extremes is dependent on canopy cover and local moisture availability -- both of which are expected to change as the Earth warms."

She said many plants and animals that live in the understory of forests rely on the stable climate conditions found there. The study suggests some forests will lose their capacity to buffer climate extremes as water becomes limited at many sites.

"Changes in water balance, combined with accelerating canopy losses due to increases in the frequency and severity of disturbance, will create many changes in the microclimate conditions of western U.S. forests," Davis said.

Other researchers contributing to the work include UM's Solomon Dobrowski and Philip Higuera, Zachary Holden with the U.S. Forest Service and the University of Idaho's John Abatzoglou.


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Materials provided by The University of Montana. Note: Content may be edited for style and length.


Journal Reference:

  1. Kimberley Davis, Solomon Z. Dobrowski, Zachary A. Holden, Philip E. Higuera, John T. Abatzoglou. Microclimatic buffering in forests of the future: The role of local water balance. Ecography, 2018; DOI: 10.1111/ecog.03836

Cite This Page:

The University of Montana. "Forests may lose ability to protect against extremes of climate change." ScienceDaily. ScienceDaily, 29 June 2018. <www.sciencedaily.com/releases/2018/06/180629182041.htm>.
The University of Montana. (2018, June 29). Forests may lose ability to protect against extremes of climate change. ScienceDaily. Retrieved July 15, 2024 from www.sciencedaily.com/releases/2018/06/180629182041.htm
The University of Montana. "Forests may lose ability to protect against extremes of climate change." ScienceDaily. www.sciencedaily.com/releases/2018/06/180629182041.htm (accessed July 15, 2024).

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