Fire ecology of ponderosa pine and the rebuilding of fire-resilient ponderosa pine ecoystems Public Deposited

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  • The ponderosa pine ecosystem of the West have changed dramatically since Euro-American settlement 140 years ago due to past land uses and the curtailment of natural fire. Today, ponderosa pine forests contain over abundance of fuel, and stand densities have increased from a grange of 49-124 trees per ha (20-50 trees pper acre) to a range of 1235-2470 trees per ha (500 to 100 stems per acre). As a result, long-term stand and landscape health has been compromised and stand and landscape conditions now promote large, uncharacteristic wildfires. Reversing this trend is paramount. Improving the fire-resiliency of ponderosa pine forests requires understanding the connection between fire behavior and severity and the forest structure and fuels. Restoration treatments (thinning, prescribed fire, mowing, and other mechanical treatments) that reduce surface, ladder, and crown fuels can reduce fire severity and the potential for high-intensity crown fires. Understanding the historical role of fire in shaping ponderosa pine ecosystems is important for designing restoration treatments. Without intelligent, ecosystem-based restoration treatments in the near term, forest health and wildfire conditions will continue to deteriorate in the long term and the situation is not likely to rectify itself.
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  • Ritchie, M.W., D.A. Maguire, and A. Youngblood, Technical Coordinatiors. 2005. Proceedings of the Symposium on Ponderosa Pine: Issues, Trends, and Management. 2004 October 18-21; Klamath Falls, OR. General Technical Report PSW-GTR-198. Pacific Southwest Research Station, Forest Service, U.D. Department of Agriculture, Albany CA. 281 p.
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  • description.provenance : Approved for entry into archive by Linda Kathman(linda.kathman@oregonstate.edu) on 2007-10-29T17:23:11Z (GMT) No. of bitstreams: 1Rebuilding Fire-Resilient Ponderosa Pine Forests psw_gtr198.pdf: 2051295 bytes, checksum: 418563e2b4cafef3f8a1113d076364f5 (MD5)
  • description.provenance : Approved for entry into archive by Digital Production(digitalproduc@gmail.com) on 2007-10-24T16:51:33Z (GMT) No. of bitstreams: 1Rebuilding Fire-Resilient Ponderosa Pine Forests psw_gtr198.pdf: 2051295 bytes, checksum: 418563e2b4cafef3f8a1113d076364f5 (MD5)
  • description.provenance : Made available in DSpace on 2007-10-29T17:23:11Z (GMT). No. of bitstreams: 1Rebuilding Fire-Resilient Ponderosa Pine Forests psw_gtr198.pdf: 2051295 bytes, checksum: 418563e2b4cafef3f8a1113d076364f5 (MD5) Previous issue date: 2005-12
  • description.provenance : Submitted by Stephen Fitzgerald (stephen.fitzgerald@oregonstate.edu) on 2007-10-19T21:09:44ZNo. of bitstreams: 1Rebuilding Fire-Resilient Ponderosa Pine Forests psw_gtr198.pdf: 2051295 bytes, checksum: 418563e2b4cafef3f8a1113d076364f5 (MD5)
  • description.peerreviewnotes : Reviewed by Technical Editors and one outside review

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