Conservation and Management of Whitebark Pine Ecosystems PDF Download
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Author: Dana L. Perkins
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 93
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Book Description
Whitebark pine (Pinus albicaulis Engelm.), an important component of western high-elevation forests, has been declining in both the United States and Canada from the combined effects of the exotic disease white pine blister rust (caused by the pathogen Cronartium ribicola), mountain pine beetle (Dendroctonus ponderosae) outbreaks, altered fire regimes, and climate change. These combined threats have led to the recent listing of whitebark pine as a high priority Candidate Species under the Endangered Species Act.
Author: Dana L. Perkins
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 93
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Book Description
Whitebark pine (Pinus albicaulis Engelm.), an important component of western high-elevation forests, has been declining in both the United States and Canada from the combined effects of the exotic disease white pine blister rust (caused by the pathogen Cronartium ribicola), mountain pine beetle (Dendroctonus ponderosae) outbreaks, altered fire regimes, and climate change. These combined threats have led to the recent listing of whitebark pine as a high priority Candidate Species under the Endangered Species Act.
Author: Dana L. Perkins
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 93
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Book Description
Whitebark pine (Pinus albicaulis Engelm.), an important component of western high-elevation forests, has been declining in both the United States and Canada from the combined effects of the exotic disease white pine blister rust (caused by the pathogen Cronartium ribicola), mountain pine beetle (Dendroctonus ponderosae) outbreaks, altered fire regimes, and climate change. These combined threats have led to the recent listing of whitebark pine as a high priority Candidate Species under the Endangered Species Act.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Diana F. Tomback
Publisher: Island Press
ISBN: 9781597263207
Category : Nature
Languages : en
Pages : 462
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Book Description
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.
Author:
Publisher:
ISBN:
Category : Alpine regions
Languages : en
Pages : 396
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Book Description
Author: Robert Keane
Publisher: CreateSpace
ISBN: 9781506139791
Category :
Languages : en
Pages : 142
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Book Description
Whitebark pine (Pinus albicaulis) forests are declining across most of their range in North America because of the combined effects of three factors: (1) several major mountain pine beetle epidemics that occurred over the last 70 years, (2) an extensive and successful fire exclusion management policy, and (3) extensive infections of the exotic white pine blister rust fungus (Cronartium ribicola). The loss of whitebark pine is serious for upper subalpine ecosystems because it is considered a keystone species across most of its range, producing large seeds that are an important food source for more than 110 animal species.
Author: L. Katherine Kirkman
Publisher: CRC Press
ISBN: 1351648187
Category : Nature
Languages : en
Pages : 539
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Book Description
Ecological Restoration and Management of Longleaf Pine Forests is a timely synthesis of the current understanding of the natural dynamics and processes in longleaf pine ecosystems. This book beautifully illustrates how incorporation of basic ecosystem knowledge and an understanding of socioeconomic realities shed new light on established paradigms and their application for restoration and management. Unique for its holistic ecological focus, rather than a more traditional silvicultural approach, the book highlights the importance of multi-faceted actions that robustly integrate forest and wildlife conservation at landscape scales, and merge ecological with socioeconomic objectives for effective conservation of the longleaf pine ecosystem.
Author: Symposium on Whitebark Pine Ecosystems: Ecology and Management of a High Mountain Resource
Publisher:
ISBN:
Category :
Languages : en
Pages : 386
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Book Description
Author: Taza D. Schaming
Publisher:
ISBN:
Category : Clark's nutcracker
Languages : en
Pages : 0
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Book Description
In the face of widespread environmental change, understanding and promoting resilience and stability of plant-animal seed disperser mutualisms is key to effective conservation strategies. My two primary objectives were to (1) investigate the response of the keystone mutualism between whitebark pine (Pinus albicaulis) and Clark's nutcrackers (Nucifraga columbiana) to declining habitat in the Greater Yellowstone Ecosystem, and (2) suggest management strategies to help ensure persistence of Clark?s nutcrackers, and their important seed dispersal function. Between 2009 and 2016, I studied Clark?s nutcracker demography and behavioral plasticity by evaluating breeding ecology, space use, seasonal habitat selection and use, foraging ecology, and emigration, as a function of habitat quality and abundance. I carried out occupancy surveys, tracked individuals via radio and satellite, conducted behavioral observations, and monitored nests. Clark?s nutcracker demography and behavior was intimately associated with whitebark pine habitat. Population-wide failure to breed followed low whitebark pine cone crops, and in breeding years, fledging success increased with whitebark pine abundance, but decreased in higher mortality stands. Clark?s nutcracker occurrence was associated with both presence of cone-bearing whitebark pines, and landscape-scale abundance of the pines, suggesting conservation strategies should focus efforts at the landscape scale. The birds selected disproportionately high amounts of Douglas-fir (Pseudotsuga menziesii) habitat for their home range, and foraged heavily on Douglas-fir cones, suggesting that whitebark pine should be managed within a habitat mosaic with Douglas-fir. The Clark?s nutcracker-whitebark pine mutualism appears functional in the region because birds were available to disperse seeds. However, it is unclear whether the mutualism is stable. Clark?s nutcrackers are highly mobile facultative migrants, and the majority of radio- and satellite-tagged birds disappeared during both the 2012 high and 2015 moderate whitebark pine cone crops. Managing Clark?s nutcrackers presents a complex conservation challenge, but I suggest promoting stability of Clark?s nutcracker populations, and focusing on the metapopulation in particular, is necessary for effective whitebark pine conservation. In this dissertation, I conclude by outlining recommended management strategies and key research questions that still need to be answered, finishing with important considerations that should be taken into account when designing a conservation plan for plant-animal seed disperser mutualisms.
Author: United States. Forest Service
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
