Effects of Grazing by Wild Ungulates in Yellowstone National Park (Classic Reprint) PDF Download
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Author: Francis J. Singer
Publisher: Forgotten Books
ISBN: 9780365263043
Category : Business & Economics
Languages : en
Pages : 402
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Book Description
Excerpt from Effects of Grazing by Wild Ungulates in Yellowstone National Park Summary Introduction Hypothesized Responses Methods Study Area and Sites Sampling Design and Methods Results Discussion Grazing Effects on Dead Grass and Litter Grazing Effects on Live Aboveground Grass Biomass Effects on Roots Effects on Plant Nitrogen. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Francis J. Singer
Publisher: Forgotten Books
ISBN: 9780365263043
Category : Business & Economics
Languages : en
Pages : 402
Get Book Here
Book Description
Excerpt from Effects of Grazing by Wild Ungulates in Yellowstone National Park Summary Introduction Hypothesized Responses Methods Study Area and Sites Sampling Design and Methods Results Discussion Grazing Effects on Dead Grass and Litter Grazing Effects on Live Aboveground Grass Biomass Effects on Roots Effects on Plant Nitrogen. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Francis J. Singer
Publisher:
ISBN:
Category : Grazing
Languages : en
Pages : 396
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Book Description
Author: Francis J. Singer
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Francis J. Singer
Publisher:
ISBN:
Category : Elk
Languages : en
Pages : 13
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Book Description
Herbivory by native ungulates, primarily elk (Cervus elaphus), was studied on xeric, bunchgrass-dominated slopes on the northern ungulate winter range of Yellowstone National Park. Plant cover, standing green biomass, and nutrient concentrations were compared between grassland sites protected from grazing for 24-27 years and adjacent plots grazed mostly during winter by elk, and to some extent by bison (Bison bison). Accumulated litter and standing dead vegetation were four times more abundant on the ungrazed plots. However, few consistent differences were observed in grass or forb biomass from elk herbivory. There was no overall effect of grazing treatment on forbs or other nongrasses (P0.05). Total grass biomass was less on grazed than ungrazed sites in 1986, after a dry, warm spring, but there was no difference in 1987 (P0.05). Biomass of junegrass (Koeleria macrantha) and thickspiked wheatgrass (Agropyron dasystachyum) was greater on grazed than ungrazed sites. Three nongrasses (Artemisia frigida, Phlox hoodii, Antennaria microphylla) were more abundant on ungrazed sites although the effect on grazing treatment was not significant (P0.05). The number of grasses ( = 4.5), forb (17.5), and shrub ( = 3.5) species did not differ between grazed and ungrazed plots (P
Author:
Publisher:
ISBN:
Category : Ecosystem management
Languages : en
Pages : 164
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309083451
Category : Science
Languages : en
Pages : 199
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Book Description
Ecological Dynamics on Yellowstone's Northern Range discusses the complex management challenges in Yellowstone National Park. Controversy over the National Park Service's approach of "natural regulation" has heightened in recent years because of changes in vegetation and other ecosystem components in Yellowstone's northern range. Natural regulation minimizes human impacts, including management intervention by the National Park Service, on the park ecosystem. Many have attributed these changes to increased size of elk and other ungulate herds. This report examines the evidence that increased ungulate populations are responsible for the changes in vegetation and that the changes represent a major and serious change in the Yellowstone ecosystem. According to the authors, any human intervention to protect species such as the aspen and those that depend on them should be prudently localized rather than ecosystem-wide. An ecosystem-wide approach, such as reducing ungulate populations, could be more disruptive. The report concludes that although dramatic ecological change does not appear to be imminent, approaches to dealing with potential human-caused changes in the ecosystem, including those related to climate change, should be considered now. The need for research and public education is also compelling.
Author: Robert A. Garrott
Publisher: Academic Press
ISBN: 0080921051
Category : Science
Languages : en
Pages : 712
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Book Description
This book is an authoritative work on the ecology of some of America’s most iconic large mammals in a natural environment - and of the interplay between climate, landscape, and animals in the interior of the world’s first and most famous national park.Central Yellowstone includes the range of one of the largest migratory populations of bison in North America as well as a unique elk herd that remains in the park year round. These populations live in a varied landscape with seasonal and often extreme patterns of climate and food abundance. The reintroduction of wolves into the park a decade ago resulted in scientific and public controversy about the effect of large predators on their prey, a debate closely examined in the book. Introductory chapters describe the geography, geology and vegetation of the ecosystem. The elk and bison are then introduced and their population ecology described both pre- and post– wolf introduction, enabling valuable insights into the demographic and behavioral consequences for their ungulate prey. Subsequent chapters describe the wildlife-human interactions and show how scientific research can inform the debate and policy issues surrounding winter recreation in Yellowstone. The book closes with a discussion of how this ecological knowledge can be used to educate the public, both about Yellowstone itself and about science, ecology and the environment in general. Yellowstone National Park exemplifies some of the currently most hotly debated and high-profile ecological, wildlife management, and environmental policy issues and this book will have broad appeal not only to academic ecologists, but also to natural resource students, managers, biologists, policy makers, administrators and the general public. Unrivalled descriptions of ecological processes in a world famous ecosystem, based on information from 16 years of painstaking field work and collaborations among 66 scientists and technical experts and 15 graduate studies Detailed studies of two charismatic North American herbivore species – elk and bison Description of the restoration of wolves into central Yellowstone and their ecological interactions with their elk and bison prey Illustrated with numerous evocative colour photographs and stunning maps
Author: David Frederick Travers
Publisher:
ISBN:
Category : Aquatic invertebrates
Languages : en
Pages : 540
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Book Description
"This study will investigate the effects of wildlife ungulate grazing, principally of elk and moose, upon riparian and stream habitats within the greater Yellowstone ecosystem, which encompasses both the Grand Teton National Park and the Yellowstone National Park. The emphasis of the research will concern how these effects express themselves within the aquatic macroinvertebrate community."--Page 1
Author: Benjamin F. Tracy
Publisher:
ISBN:
Category : Degrees, Academic
Languages : en
Pages : 173
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Book Description
An examination of how fire would affect grazing by ungulates, plant production, and nutrient cycling mainly in the sagebrush grasslands of Yellowstone National Park.
Author: Robert B. Keiter
Publisher: Yale University Press
ISBN: 9780300059274
Category : Nature
Languages : en
Pages : 452
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Book Description
In 1872, Congress designated Yellowstone National Park as the world's first National Park. In this book, various experts in science, economics and law discuss key resource management issues in the greater Yellowstone ecosystem, and how humans should interact with the environment of this area.
