Proceedings: Symposium On Fire In Wilderness and Park Management... U.S. Department Of Agriculture... September 1995 PDF Download
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Author:
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Category :
Languages : en
Pages : 296
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Author:
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ISBN:
Category :
Languages : en
Pages : 296
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Author: Marion Hourdequin
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Category : Fire ecology
Languages : en
Pages : 48
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Author:
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Category : Forests and forestry
Languages : en
Pages : 464
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Category : Ecosystem management
Languages : en
Pages : 96
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We present the history of land use and historic vegetation conditions on the Sacramento Ranger District of the Lincoln National Forest within the framework of an ecosystem needs assessment. We reconstruct forest vegetation conditions and ecosystem processes for the period immediately before Anglo-American settlement using General Land Office survey records, historic studies and accounts, and reconstructive studies such as dendrochronological histories of fire and insect outbreak and studies of old growth. Intensive grazing, clearcut logging, fire suppression, and agriculture in riparian areas have radically altered forest structure and processes since the 1880s, when intensive settlement began in the Sacramento Mountains. Present forests are younger and more dense than historic ones, and in areas that were previously dominated by ponderosa pine, dominance has shifted to Douglas-fir and white fir in the absence of frequent surface fire. Landscapes are more homogeneous and contiguous than historic ones, facilitating large-scale, intense disturbances such as insect outbreaks and crown fires.
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Category : Forests and forestry
Languages : en
Pages : 368
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Author:
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Category : Forests and forestry
Languages : en
Pages : 200
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Author: Teresa L. Pruden
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Category : Fire ecology
Languages : en
Pages : 482
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Author:
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Category : Forests and forestry
Languages : en
Pages : 760
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Author: Robert E. Keane
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Category : Fire ecology
Languages : en
Pages : 32
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Book Description
The health of many Rocky Mountain ecosystems is in decline because of the policy of excluding fire in the management of these ecosystems. Fire exclusion has actually made it more difficult to fight fires, and this poses greater risks to the people who fight fires and for those who live in and around Rocky Mountain forests and rangelands. This paper discusses the extent of fire exclusion in the Rocky Mountains, then details the diverse and cascading effects of suppressing fires in the Rocky Mountain landscape by spatial scale, characteristic, and vegetation type. Also discussed are the varied effects of fire exclusion on some important, keystone ecosystems and human concerns.
Author:
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Category : Conflict management
Languages : en
Pages : 92
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