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Modeling the effects of fire management alternatives on Sierra Nevada mixed-conifer forests

Publication ,  Journal Article
Miller, C; Urban, DL
Published in: Ecological Applications
January 1, 2000

Decades of fire exclusion have led to hazardous fuel accumulations and the deterioration of fire-dependent ecosystems, particularly in the American West. Managers are striving to return the ecological role of fire to many ecosystems and would benefit from a much better understanding of how forest structure and composition might change if fires were reintroduced. We used a forest gap model, developed for forests in the Sierra Nevada, California, USA, that integrates climate, fire, and forest dynamics to investigate forest response to changes in the fire regime. The model simulates a spatially heterogeneous fuel bed that is responsive to changes in forest condition, making it well suited for examining alternative management approaches for restoring Sierra Nevada forests after a century of fire exclusion. Presuppression forest basal area, species composition, and spatial autocorrelation structure were restored quickly, if simulated disturbances that caused substantial tree mortality were reintroduced. Simulations of harvest induced the highest levels of mortality and, thus, most effectively restored forest structure and composition. However, prescribed fires were just as effective in restoring forest structure and composition if they were sufficiently severe.

Duke Scholars

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Published In

Ecological Applications

DOI

ISSN

1051-0761

Publication Date

January 1, 2000

Volume

10

Issue

1

Start / End Page

85 / 94

Related Subject Headings

  • Ecology
  • 41 Environmental sciences
  • 31 Biological sciences
  • 30 Agricultural, veterinary and food sciences
  • 07 Agricultural and Veterinary Sciences
  • 06 Biological Sciences
  • 05 Environmental Sciences
 

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Miller, C., & Urban, D. L. (2000). Modeling the effects of fire management alternatives on Sierra Nevada mixed-conifer forests. Ecological Applications, 10(1), 85–94. https://doi.org/10.1890/1051-0761(2000)010[0085:MTEOFM]2.0.CO;2
Miller, C., and D. L. Urban. “Modeling the effects of fire management alternatives on Sierra Nevada mixed-conifer forests.” Ecological Applications 10, no. 1 (January 1, 2000): 85–94. https://doi.org/10.1890/1051-0761(2000)010[0085:MTEOFM]2.0.CO;2.
Miller C, Urban DL. Modeling the effects of fire management alternatives on Sierra Nevada mixed-conifer forests. Ecological Applications. 2000 Jan 1;10(1):85–94.
Miller, C., and D. L. Urban. “Modeling the effects of fire management alternatives on Sierra Nevada mixed-conifer forests.” Ecological Applications, vol. 10, no. 1, Jan. 2000, pp. 85–94. Scopus, doi:10.1890/1051-0761(2000)010[0085:MTEOFM]2.0.CO;2.
Miller C, Urban DL. Modeling the effects of fire management alternatives on Sierra Nevada mixed-conifer forests. Ecological Applications. 2000 Jan 1;10(1):85–94.
Journal cover image

Published In

Ecological Applications

DOI

ISSN

1051-0761

Publication Date

January 1, 2000

Volume

10

Issue

1

Start / End Page

85 / 94

Related Subject Headings

  • Ecology
  • 41 Environmental sciences
  • 31 Biological sciences
  • 30 Agricultural, veterinary and food sciences
  • 07 Agricultural and Veterinary Sciences
  • 06 Biological Sciences
  • 05 Environmental Sciences