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Whitebark Pine Communities

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Whitebark Pine Communities

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Author : Diana F. Tomback
language : en
Publisher: Island Press
Release Date : 2001

Whitebark Pine Communities written by Diana F. Tomback and has been published by Island Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Nature categories.

Whitebark pine is a dominant feature of western high-mountain regions, offering an important source of food and high-quality habitat for species ranging from Clark's nutcracker to the grizzly bear. But in the northwestern United States and southwestern Canada, much of the whitebark pine is disappearing. Why is a high-mountain species found in places rarely disturbed by humans in trouble? And what can be done about it.Whitebark Pine Communities addresses those questions, explaining how a combination of altered fire regimes and fungal infestation is leading to a rapid decline of this once abundant -- and ecologically vital -- species. Leading experts in the field explain what is known about whitebark pine communities and their ecological value, examine its precarious situation, and present the state of knowledge concerning restoration alternatives. The book. presents an overview of the ecology and status of whitebark pine communities offers a basic understanding of whitebark pine taxonomy, distribution, and ecology, including environmental tolerances, community disturbance processes, regeneration processes, species interactions, and genetic population structure identifies the threats to whitebark pine communities explains the need for management intervention surveys the extent of impact and losses to dateMore importantly, the book clearly shows that the knowledge and management tools are available to restore whitebark pine communities both locally and on a significant scale regionally, and it provides specific information about what actions can and must be taken.Whitebark Pine Communities offers a detailed portrait of the ecology of whitebark pine communities and the current threats to them. It brings together leading experts to provide in-depth information on research needs, management approaches, and restoration activities, and will be essential reading for ecologists, land managers, and anyone concerned with the health of forest ecosystems in the western United States.

A Range Wide Restoration Strategy For Whitebark Pine Pinus Albicaulis

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Author : U.s. Department of Agriculture
language : en
Publisher: Createspace Independent Pub
Release Date : 2012-10-19

A Range Wide Restoration Strategy For Whitebark Pine Pinus Albicaulis written by U.s. Department of Agriculture and has been published by Createspace Independent Pub this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-19 with Nature categories.

Whitebark pine (Pinus albicaulis) forests are declining across most of their range in North America because of the combined effects of mountain pine beetle (Dendroctonus ponderosae) outbreaks, fire exclusion policies, and the exotic pathogen Cronartium ribicola, which infects five-needle white pines and causes the disease white pine blister rust. The loss of this high-elevation tree species poses serious consequences for upper subalpine ecosystems, both in terms of impacts on biodiversity and losses in ecosystem processes; whitebark pine is now a candidate species for listing under the Endangered Species Act. Large, nutritious seeds produced by whitebark pine are an important food for many bird and small mammal species, as well as grizzly (Ursus arctos horribilis) and black bears (Ursus americanus), and whitebark pine communities provide habitat for many additional wildlife species. Whitebark pine seed dispersal by Clark's nutcrackers (Nucifraga columbiana) combined with hardy seedlings results in early whitebark pine community development after fire and other disturbances; whitebark pine seedlings survive on harsh, arid sites and may act as nurse trees to less hardy conifers and vegetation. Whitebark pine at higher elevations, where it is common in many regions, helps regulate snow melt and reduce soil erosion. For these collective functions, whitebark pine is considered both a keystone species for promoting community diversity and a foundation species for promoting community stability. Since more than 90 percent of whitebark pine forests exist on public land in the United States and Canada, it is important that government natural resource management agencies play an important role in ensuring future presence of this tree species by initiating concerted, coordinated, and comprehensive restoration efforts. This is best accomplished through a coordinated, trans-boundary restoration strategy that includes shared infrastructure and expertise for conserving seeds, growing blister rust-resistant seedlings, protecting trees, restoring ecosystem processes, and promoting natural regeneration. We detail a multi-scale strategy for restoring whitebark pine across its range in the western United States and Canada. The strategy was compiled by researchers, land managers, and resource specialists for use as a reference for prioritizing, designing, and implementing successful whitebark pine restoration activities across many scales from stands to landscapes to its entire range. The whitebark pine restoration strategy consists of the following principles: (1) promote rust resistance, (2) conserve genetic diversity, (3) save seed sources, and (4) employ restoration treatments. These guiding principles are then used to implement the whitebark pine restoration strategy using a set of possible actions: 1. assess condition, 2. plan activities, 3. reduce pest impacts, 4. gather seed, 5. grow seedlings, 6. protect seed sources, 7. implement restoration treatments, 8. plant burned areas, 9. support research, and 10. monitor activities. The strategy is also organized by six spatial scales of analysis and organization: 1. range-wide, 2. region (National Forest Region or Provincial Regions), 3. forest (National Forest, National Park, and Canadian Forest District), 4. landscape (watershed or landform), 5. stand, and 6. tree. At each scale, we present four important factors in the restoration strategy: (1) assessment, (2) restoration actions, (3) management concerns, and (4) an example. Strategic restoration plans are presented for the coarse-scale strategies, while illustrated examples are presented for the finer scales (tree, stand, and landscape).

A Review Of The Literature On Seed Fate In Whitebark Pine And The Life History Traits Of Clark S Nutcracker And Pine Squirrels

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Author : Teresa J. Lorenz
language : en
Publisher:
Release Date : 2008

A Review Of The Literature On Seed Fate In Whitebark Pine And The Life History Traits Of Clark S Nutcracker And Pine Squirrels written by Teresa J. Lorenz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Clark's nutcracker categories.

Whitebark pine is a critical component of subalpine ecosystems in western North America, where it contributes to biodiversity and ecosystem function and in some communities is considered a keystone species. Whitebark pine is undergoing rangewide population declines attributed to the combined effects of mountain pine beetle, white pine blister rust, and fire suppression. The restoration and maintenance of whitebark pine populations require an understanding of all aspects of seed fate. In this paper, we review the literature on seed dispersal in whitebark pine. Clark's nutcracker, pine squirrels, and scatter-hoarding rodents are all known to influence whitebark pine seed fate and ultimately affect the ability of whitebark pine populations to regenerate. We also provide a general overview of the natural histories of the most influential species involved with whitebark pine seed fate: Clark's nutcracker and the pine squirrel.

Silvics Of Whitebark Pine Pinus Albicaulis

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Author : Stephen F. Arno
language : en
Publisher:
Release Date : 1989

Silvics Of Whitebark Pine Pinus Albicaulis written by Stephen F. Arno and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Forest ecology categories.

Whitebark pine (Pinus albicaulis) is a long-lived tree inhabiting the upper subalpine forest and timberline zone on high mountains of Western North America. The species' habitat, life history, growth and yield, mortality factors, special uses, and genetics are described.

A Review Of The Literature On Seed Fate In Whitebark Pine And The Life History Traits Of Clark S Nutcracker And Pine Squirrels

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Author : Teresa J. Lorenz
language : en
Publisher:
Release Date : 2008

Proceedings Symposium On Whitebark Pine Ecosystems

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Author :
language : en
Publisher:
Release Date : 1990

Proceedings Symposium On Whitebark Pine Ecosystems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Alpine regions categories.

Research Note Rmrs

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Author :
language : en
Publisher:
Release Date : 1998

Research Note Rmrs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Forests and forestry categories.

A Range Wide Restoration Strategy For Whitebark Pine Pinus Albicaulis

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Author : United States Department of Agriculture
language : en
Publisher: CreateSpace
Release Date : 2015-02-13

A Range Wide Restoration Strategy For Whitebark Pine Pinus Albicaulis written by United States Department of Agriculture and has been published by CreateSpace this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-02-13 with categories.

Whitebark pine (Pinus albicaulis), an important component of western highelevation forests, has been declining in both the United States and Canada since the early Twentieth Century from the combined effects of mountain pine beetle (Dendroctonus ponderosae) outbreaks, fire exclusion policies, and the spread of the exotic disease white pine blister rust (caused by the pathogen Cronartium ribicola). The pine is now a candidate species for listing under the Endangered Species Act. Within the last decade, with major surges of pine beetle and increasing damage and mortality from blister rust, the cumulative whitebark pine losses have altered high-elevation community composition and ecosystem processes in many regions.

Plant Community Classification For Alpine Vegetation On The Beaverhead National Forest Montana

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Author : Stephen V. Cooper
language : en
Publisher:
Release Date : 1997

Plant Community Classification For Alpine Vegetation On The Beaverhead National Forest Montana written by Stephen V. Cooper and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Botany categories.

Biodiversity And Conservation In Forests

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Author : Diana F. Tomback
language : en
Publisher: MDPI
Release Date : 2019-01-18

Biodiversity And Conservation In Forests written by Diana F. Tomback and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-18 with Environmental sciences categories.

This book is a printed edition of the Special Issue "Biodiversity and Conservation in Forests" that was published in Forests

Whitebark Pine Communities

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