Population Genetics, Fragmentation and Plague in Black-tailed Prairie Dogs (Cynomys Ludovicianus) PDF Download
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Author: Lisa T. Savage
Publisher:
ISBN:
Category : Black-tailed prairie dog
Languages : en
Pages : 328
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Book Description
Author: Lisa T. Savage
Publisher:
ISBN:
Category : Black-tailed prairie dog
Languages : en
Pages : 328
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Book Description
Author: Rachel M. Pigg
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Dispersal remains one of the most important, yet least understood, life history traits. As the vehicle of gene flow among populations, dispersal can both relieve inbreeding depression and prevent local adaptation. Regionally, dispersal can stabilize or destabilize metapopulations, given its critical roles in disease transmission among populations as well as recolonization following local extinction events. Furthermore, in light of climate change and increasing habitat loss and fragmentation, the ability to navigate through unfamiliar, unsuitable habitat between populations is essential to the long-term survival of a species across its range. In my dissertation, I present a multi-scale investigation of factors affecting gene flow and disease transmission among populations of a keystone species and an agricultural pest of the North American prairie: the black-tailed prairie dog (Cynomys ludovicianus). Black-tailed prairie dogs are social, ground-dwelling squirrels that live in spatially isolated populations called colonies. First, we conducted a landscape genetic analysis of black-tailed prairie dogs throughout a large portion of their current range. Our estimates of gene flow indicate that the genetic neighborhood size of both male and female prairie dogs reaches 40-60 km within short-grass prairie, whereas colonies within mixed-grass prairie are more isolated. At a broad scale, we observed isolation-by-distance among colonies and great influence of grassland productivity on genetic connectivity; however, neither distance nor landscape characteristics greatly explained observed genetic differentiation among colonies separated by
Author:
Publisher:
ISBN:
Category : Black-tailed prairie dog
Languages : en
Pages : 130
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Author: Kristie Marie Trudeau
Publisher:
ISBN:
Category : Black-tailed prairie dog
Languages : en
Pages : 92
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Author: Seth Magle
Publisher:
ISBN:
Category :
Languages : en
Pages : 144
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Author: Ronald K. Chesser
Publisher:
ISBN:
Category : Black-tailed prairie dog
Languages : en
Pages : 20
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Author: John Hoogland
Publisher: Island Press
ISBN: 1597268526
Category : Nature
Languages : en
Pages : 368
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Book Description
The prairie dog is a colonial, keystone species of the grassland ecosystem of western North America. Myriad animals regularly visit colony-sites to feed on the grass there, to use the burrows for shelter or nesting, or to prey on the prairie dogs. Unfortunately, prairie dogs are disappearing, and the current number is only about 2% of the number encountered by Lewis and Clark in the early 1800s. Part I of Conservation of the Black-Tailed Prairie Dog summarizes ecology and social behavior for pivotal issues such as when prairie dogs breed, how far they disperse, how they affect other organisms, and how much they compete with livestock. Part II documents how loss of habitat, poisoning, plague, and recreational shooting have caused the precipitous decline of prairie dog populations over the last 200 years. Part III proposes practical solutions that can ensure the long-term survival of the prairie dog and its grassland ecosystem, and also are fair to private landowners. We cannot expect farmers and ranchers to bear all the costs of conservation while the rest of us enjoy all the benefits. With 700 references, 37 tables, 75 figures and photographs, and a glossary, Conservation of the Black-Tailed Prairie Dog is a unique and vital contribution for wildlife managers, politicians, environmentalists, and curious naturalists.
Author: C. N. Slobodchikoff
Publisher: Harvard University Press
ISBN: 9780674031814
Category : Nature
Languages : en
Pages : 288
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Book Description
The authors synthesize the results of their long-running study of Gunnison’s prairie dogs (Cynomys gunnisoni), one of the keystone species of the short-grass prairie ecosystem. By examining the complex factors behind prairie dog decline, we can begin to understand the problems inherent in our adversarial relationship with the natural world.
Author: Erica L. Mize
Publisher:
ISBN:
Category : Animal population genetics
Languages : en
Pages : 488
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Author: Jorge Ortega
Publisher: Springer Nature
ISBN: 3030333345
Category : Nature
Languages : en
Pages : 374
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Book Description
This book focuses on the use of molecular tools to study small populations of rare and endangered mammals, and presents case studies that apply an evolutionary framework to address innovative questions in the emerging field of mammalian conservation genomics using a highly diverse set of novel molecular tools. Novel and more precise molecular technologies now allow experts in the field of mammology to interpret data in a more contextual and empirical fashion and to better describe the evolutionary and ecological processes that are responsible for the patterns they observe. The book also demonstrates how recent advances in genetic/genomic technologies have been applied to assess the impact of environmental/anthropogenic changes on the health of small populations of mammals. It examines a range of issues in the field of mammalian conservation genomics, such as the role that the genetic diversity of the immune system plays in disease protection and local adaptation; the use of noninvasive techniques and genomic banks as a resource for monitoring and restoring populations; the structuring of population by physical barriers; and genetic diversity. Further, by integrating research from a variety of areas – including population genetics, molecular ecology, systematics, and evolutionary and conservation biology – it enables readers to gain a deeper understanding of the conservation biology of mammals that are at increasing risk of extinction at local, regional and global scales. As such, it offers a unique resource for a broad readership interested in the conservation biology of mammals and conservation management strategies to better preserve biodiversity.
