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Title: Climate Change Refugia, Fire Ecology and Management

Abstract

Early climate change ideas warned of widespread species extinctions. As scientists have probed more deeply into species responses, a more nuanced perspective emerged indicating that some species may persist in microrefugia (refugia), including in mountainous terrain. Refugia are habitats that buffer climate changes and allow species to persist in-and to potentially expand under-changing environmental conditions. While climate and species interactions in refugia have been noted as sources of uncertainty, land management practices and disturbances, such as wildland fire, should also be considered when assessing any given refugium. Our landscape scale study suggests that cold-air pools, an important type of small-scale refugia, have unique fire occurrence, frequency, and severity patterns in frequent-fire mixed conifer forests of California's Sierra Nevada: Cold-air pool refugia have less fire and if it occurs, it is lower severity. Therefore, individuals and small populations are less likely to be extirpated by fire. Active management, such as restoration and fuels treatments for climate change adaptation, may be required to maintain these distinctive and potentially important refugia.

Authors:
 [1];  [1];  [1]
  1. Univ. of California, Berkeley, CA (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1579921
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Forests
Additional Journal Information:
Journal Volume: 7; Journal Issue: 12; Journal ID: ISSN 1999-4907
Publisher:
MDPI
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; mixed conifer forest; arid forest; fire ecology; fire management; refugia; climate change; vulnerability

Citation Formats

Wilkin, Kate, Ackerly, David, and Stephens, Scott. Climate Change Refugia, Fire Ecology and Management. United States: N. p., 2016. Web. doi:10.3390/f7040077.
Wilkin, Kate, Ackerly, David, & Stephens, Scott. Climate Change Refugia, Fire Ecology and Management. United States. doi:10.3390/f7040077.
Wilkin, Kate, Ackerly, David, and Stephens, Scott. Wed . "Climate Change Refugia, Fire Ecology and Management". United States. doi:10.3390/f7040077. https://www.osti.gov/servlets/purl/1579921.
@article{osti_1579921,
title = {Climate Change Refugia, Fire Ecology and Management},
author = {Wilkin, Kate and Ackerly, David and Stephens, Scott},
abstractNote = {Early climate change ideas warned of widespread species extinctions. As scientists have probed more deeply into species responses, a more nuanced perspective emerged indicating that some species may persist in microrefugia (refugia), including in mountainous terrain. Refugia are habitats that buffer climate changes and allow species to persist in-and to potentially expand under-changing environmental conditions. While climate and species interactions in refugia have been noted as sources of uncertainty, land management practices and disturbances, such as wildland fire, should also be considered when assessing any given refugium. Our landscape scale study suggests that cold-air pools, an important type of small-scale refugia, have unique fire occurrence, frequency, and severity patterns in frequent-fire mixed conifer forests of California's Sierra Nevada: Cold-air pool refugia have less fire and if it occurs, it is lower severity. Therefore, individuals and small populations are less likely to be extirpated by fire. Active management, such as restoration and fuels treatments for climate change adaptation, may be required to maintain these distinctive and potentially important refugia.},
doi = {10.3390/f7040077},
journal = {Forests},
number = 12,
volume = 7,
place = {United States},
year = {2016},
month = {3}
}

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Cited by: 12 works
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