Long-term Effects of Ungulate Browsing on Aspen Stand Regeneration and Structure PDF Download
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Author: Henry Campa
Publisher:
ISBN:
Category : Aspen
Languages : en
Pages : 238
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Book Description
Author: Henry Campa
Publisher:
ISBN:
Category : Aspen
Languages : en
Pages : 238
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Book Description
Author: J. Scott Dieni
Publisher:
ISBN:
Category : Aspen
Languages : en
Pages : 7
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Book Description
Author: Delia Faye Raymer
Publisher:
ISBN:
Category : Aspen
Languages : en
Pages : 460
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Book Description
Author: Rory Putman
Publisher: Cambridge University Press
ISBN: 1139500287
Category : Nature
Languages : en
Pages : 409
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Book Description
This book considers a number of problems posed by ungulates and their management in Europe. Through a synthesis of the underlying biology and a comparison of the management techniques adopted in different countries, the book explores which management approaches seem effective - and in which circumstances. Experts in a number of different areas of applied wildlife biology review various management problems and alternative solutions, including the impact of large ungulates on agriculture, forestry and conservation habitats, the impact of disease and predation on ungulate populations and the involvement of ungulates in road traffic accidents and possible measures for mitigation. This book is directed at practising wildlife managers, those involved in research to improve methods of wildlife management, and policy-makers in local, regional and national administrations.
Author: Koketso Tshireletso
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Western forests dominated by aspen (Populus tremuloides Michx.) are highly regarded by most resource managers for their ability to provide a variety of benefits (Bartos and Mueggler 1982, Mueggler 1988). They noted aspen to be beneficial for production of livestock forage, wildlife habitat, and scenic beauty, and they are a potentially valuable source of wood products. However, in the West, communities are concerned about the dwindling acreage of aspen. The decline of aspen has been partly attributed to excessive ungulate browsing (Smith et al. 1972, Collins and Urness 1983, Bartos and Campbell 1998). Long-term grazing exclosures have also revealed that browsing by native and domestic ungulates hindered aspen regeneration throughout south-central Utah, including changes in understory species composition ( e.g. Kay and Bartos 2000). However, though ungulate browsing is an established cause of poor success in aspen regeneration, beyond that fact, very little is known about the particulars of the response, especially how it is affected by time and intensity of browsing.
Author: Delia Faye Raymer
Publisher:
ISBN:
Category : Aspen
Languages : en
Pages : 410
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Book Description
Author: Marco Apollonio
Publisher: Cambridge University Press
ISBN: 0521760615
Category : Nature
Languages : en
Pages : 619
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Book Description
The first book to summarise management objectives for ungulates across Europe.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 502
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Book Description
Author: Nathan M. Albrecht
Publisher:
ISBN:
Category : Elk
Languages : en
Pages : 76
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Book Description
"In the Channeled Scablands of eastern Washington, stands of quaking aspen (Populus tremuloides) support a high diversity of plants and animals. Species of ungulates, such as elk (Cervus elaphu!)), selectively feed on young aspen, and high elk densities can result in over browsing and suppression of aspen regeneration. Managers of Turnbull National Wildlife Refuge (TNWR) have prescribed burns to regenerate aspen, but have had mixed success. This study examined the effect of elk browsing on aspen stands at TNWR. Elk movements were monitored with radiotelemetry and periodic flyovers, and were then to divide TNWR into areas of low and high elk-use. Elk exclosures were erected in randomly selected aspen stands in each area. Height, diameter, growth, and form were recorded for aspen inside and outside exclosures. Elk use was significantly higher in the western portion of TNWR, where human access is limited. Elk also exhihited seasonal movement patterns within the high use area. Elk movements at TNWR are likely a driven by several factors including human-use patterns at the refuge, land-use practices in adjacent areas, and hunting pressure outside of the refuge. Aspen had a more shrub-like morphology, were significantly shorter, and had a higher percentage of browsed branches in areas of high elk use. In these areas, aspen branches inside exclosures were significantly longer than aspen outside the exclosures. Aspen measurements indicate that elk browsing is negatively affecting aspen regeneration at TNWR"--Document.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 298
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Book Description
