Linking Occupancy, Rarity, and Resource Use in a Pair of Smooth-toothed Pocket Gophers PDF Download
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Author: Brittany T. Britto
Publisher:
ISBN:
Category : Thomomys
Languages : en
Pages : 63
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Book Description
Members of the genus Thomomys (the smooth-toothed pocket gophers) are widely distributed across western North America, typically with geographic ranges that are almost entirely allopatric or parapatric. In Wyoming, the geographic range of the widespread northern pocket gopher (Thomomys talpoides) encompasses that of the Wyoming pocket gopher (T. clusius), one of the most geographically restricted mammals in North America. Overlap in geographic ranges and low capture success have limited the ability to monitor Wyoming pocket gophers. In chapter one, I evaluated the use of tunnel diameter as a noninvasive method to detect pocket gopher species occupancy. Tunnel diameter can be used to help distinguish between occupancy by the Wyoming pocket gopher and its more abundant, widespread congener, the northern pocket gopher. In addition to its restricted geographic range, the Wyoming pocket gopher is confined to areas containing Gardner’s saltbush (Atriplex gardneri, Family Amaranthaceae) in Carbon and Sweetwater Counties, Wyoming. In chapter two, I tested whether and how consumer-resource relationships involving Gardner’s saltbush were correlated with the commonness and rarity of northern pocket gophers and Wyoming pocket gophers, respectively. Through a combination of DNA metabarcoding and cafeteria-style feeding experiments, I demonstrated that Wyoming pocket gophers specialize on Gardner’s saltbush, a food plant that is avoided by northern pocket gophers both in the field and in the lab. I suggest that Wyoming pocket gophers can persist within their small geographic range by capitalizing on Gardner’s saltbush, a food plant that requires some combination of physiological, morphological, and behavioral adaptations to exploit.
Author: Brittany T. Britto
Publisher:
ISBN:
Category : Thomomys
Languages : en
Pages : 63
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Book Description
Members of the genus Thomomys (the smooth-toothed pocket gophers) are widely distributed across western North America, typically with geographic ranges that are almost entirely allopatric or parapatric. In Wyoming, the geographic range of the widespread northern pocket gopher (Thomomys talpoides) encompasses that of the Wyoming pocket gopher (T. clusius), one of the most geographically restricted mammals in North America. Overlap in geographic ranges and low capture success have limited the ability to monitor Wyoming pocket gophers. In chapter one, I evaluated the use of tunnel diameter as a noninvasive method to detect pocket gopher species occupancy. Tunnel diameter can be used to help distinguish between occupancy by the Wyoming pocket gopher and its more abundant, widespread congener, the northern pocket gopher. In addition to its restricted geographic range, the Wyoming pocket gopher is confined to areas containing Gardner’s saltbush (Atriplex gardneri, Family Amaranthaceae) in Carbon and Sweetwater Counties, Wyoming. In chapter two, I tested whether and how consumer-resource relationships involving Gardner’s saltbush were correlated with the commonness and rarity of northern pocket gophers and Wyoming pocket gophers, respectively. Through a combination of DNA metabarcoding and cafeteria-style feeding experiments, I demonstrated that Wyoming pocket gophers specialize on Gardner’s saltbush, a food plant that is avoided by northern pocket gophers both in the field and in the lab. I suggest that Wyoming pocket gophers can persist within their small geographic range by capitalizing on Gardner’s saltbush, a food plant that requires some combination of physiological, morphological, and behavioral adaptations to exploit.
Author: Vernon Bailey
Publisher: Forgotten Books
ISBN: 9780666194770
Category : Science
Languages : en
Pages : 690
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Book Description
Excerpt from Revision of the Pocket Gophers of the Genus Thomomys Sir: I have the honor to transmit herewith for publication as North American Fauna no. 39, a revision of the pocket gophers of the genus Thomomys, by Vernon Bailey, chief field naturalist of the Biological Survey. Pocket gophers are burrowing rodents which in pursuit of food and in running tunnels often damage crops, young trees, and irriga tion ditches. Moreover, the heaps of earth ejected from the tunnels not only cover more vegetation than the animals eat, but also obstruct the operation of mowing machines. Gopher burrows frequently penetrate and cut through irrigation-ditch banks, and the escaping water becomes a menace to agriculture and sometimes to human life. The animals are thus of considerable economic importance. 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: James L. Patton
Publisher: Univ of California Press
ISBN: 0520097610
Category : Nature
Languages : en
Pages : 179
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Book Description
Author: Victor G. Barnes
Publisher:
ISBN:
Category : Conifers
Languages : en
Pages : 24
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Book Description
Pocket gophers (Thomomy spp.) have an important effect on reforestation in the Pacific Northwest through damage to conifer reproduction. Damage is most serious east of the Cascade Range in Washington and Oregon and northeastern California. Damage also has been reported in northern Idaho. The purpose of this report is to review pocket gopher problems in the Northwest, summarize present knowledge of gopher biology, outline current control methods, and suggest future research needs.
Author: Charles S. Thaeler
Publisher:
ISBN: 9780520093430
Category :
Languages : en
Pages : 46
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Book Description
Author: Vernon Bailey
Publisher:
ISBN:
Category : Pocket gophers
Languages : en
Pages : 136
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Book Description
Author: C. S. Thaeler
Publisher:
ISBN: 9780520093430
Category :
Languages : en
Pages :
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Book Description
Author: Robert D. Bradley
Publisher:
ISBN: 9781929330461
Category :
Languages : en
Pages : 0
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Book Description
Author: David J. Hafner
Publisher: IUCN
ISBN: 9782831704630
Category : Nature
Languages : en
Pages : 188
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Book Description
The first comprehensive treatment of North American rodents of conservation concern. This action plan summarizes the rodent fauna of North America and provides available information on every rodent taxon that has been considered to be of conservation concern by state, provincial and private conservation agencies and regional experts. It is hoped that the survey provided in this action plan will serve as a common ground for all these parties in drawing up conservation strategies for rodents.
Author: Anthony R. E. Sinclair
Publisher: University of Chicago Press
ISBN: 022619616X
Category : History
Languages : en
Pages : 854
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Book Description
The vast savannas and great migrations of the Serengeti conjure impressions of a harmonious and balanced ecosystem. But in reality, the history of the Serengeti is rife with battles between human and non-human nature. In the 1890s and several times since, the cattle virus rinderpest—at last vanquished in 2008—devastated both domesticated and wild ungulate populations, as well as the lives of humans and other animals who depended on them. In the 1920s, tourists armed with the world’s most expensive hunting gear filled the grasslands. And in recent years, violence in Tanzania has threatened one of the most successful long-term ecological research centers in history. Serengeti IV, the latest installment in a long-standing series on the region’s ecology and biodiversity, explores the role of our species as a source of both discord and balance in Serengeti ecosystem dynamics. Through chapters charting the complexities of infectious disease transmission across populations, agricultural expansion, and the many challenges of managing this ecosystem today, this book shows how the people and landscapes surrounding crucial protected areas like Serengeti National Park can and must contribute to Serengeti conservation. In order to succeed, conservation efforts must also focus on the welfare of indigenous peoples, allowing them both to sustain their agricultural practices and to benefit from the natural resources provided by protected areas—an undertaking that will require the strengthening of government and education systems and, as such, will present one of the greatest conservation challenges of the next century.
