Download e-book for kindle: Conservation of the Black-Tailed Prairie Dog: Saving North by John Hoogland

By John Hoogland

ISBN-10: 1429496932

ISBN-13: 9781429496933

ISBN-10: 1559634987

ISBN-13: 9781559634984

The prairie puppy is a colonial, keystone species of the grassland environment of western North the US. Myriad animals usually stopover at colony-sites to feed at the grass there, to exploit the burrows for take care of or nesting, or to prey at the prairie canines. regrettably, prairie canine are disappearing, and the present quantity is just approximately 2% of the quantity encountered through Lewis and Clark within the early 1800s. half I of Conservation of the Black-Tailed Prairie puppy summarizes ecology and social habit for pivotal concerns corresponding to whilst prairie canines breed, how some distance they disperse, how they impact different organisms, and what sort of they compete with farm animals. half II files how lack of habitat, poisoning, plague, and leisure taking pictures have brought on the precipitous decline of prairie puppy populations over the past 2 hundred years. half III proposes functional options that may make sure the longterm survival of the prairie puppy and its grassland surroundings, and likewise are reasonable to personal landowners. we can't anticipate farmers and ranchers to endure the entire expenditures of conservation whereas the remainder of us get pleasure from all of the advantages. With seven-hundred references, 37 tables, seventy five figures and images, and a thesaurus, Conservation of the Black-Tailed Prairie puppy is a special and important contribution for natural world managers, politicians, environmentalists, and curious naturalists. John L. Hoogland is a Professor of Biology on the collage of Maryland's Appalachian Laboratory, and has studied prairie canine for the final 33 years.

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Download PDF by John Hoogland: Conservation of the Black-Tailed Prairie Dog: Saving North

The prairie puppy is a colonial, keystone species of the grassland atmosphere of western North the US. Myriad animals frequently stopover at colony-sites to feed at the grass there, to exploit the burrows for safeguard or nesting, or to prey at the prairie canines. regrettably, prairie canines are disappearing, and the present quantity is barely approximately 2% of the quantity encountered via Lewis and Clark within the early 1800s.

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Height of vegetation should be an important consideration when wildlife managers evaluate sites that might serve as sanctuaries for prairie dogs (Chapters 13 and 16). As recently as 100 years ago, one colony in Texas contained approximately 400 million prairie dogs (Merriam 1902a; Clark 1979; Grossmann 1987). Because of recreational shooting, poisoning, loss of habitat, and plague, colonies of this magnitude no longer exist (Chapters 12 and 16). 5. Short vegetation. The low vegetation at prairie dog colony-sites results from normal foraging, from clipping of tall plants, and from the tendency to colonize habitats where the vegetation is already low.

Knowing this schedule of reproductive events is useful for many aspects of conservation (Chapter 3). 11. Number of sexual partners per year for male and female prairie dogs. This graph excludes data from individuals that did not mate at least once during the breeding season. For more details about annual reproductive success (ARS), see Hoogland 1995. 24 I. Natural History of Prairie Dogs Multiple paternity occurs when two or more males each sire at least one offspring of a single female’s litter (Hanken and Sherman 1981; Foltz and Schwagmeyer 1989).

Occasional incest and frequent moderate inbreeding evidently did not lead to deleterious consequences for prairie dogs at my study-colony (Hoogland 1992, 1995). Does this mean that wildlife managers can ignore inbreeding for the conservation of prairie dogs? The answer is no, for at least two related reasons. First, the disadvantage of extreme inbreeding in prairie dogs might be as low as 3%–4%. This disadvantage would be sufficient over time to lead to the demise of small, isolated colonies in which extreme inbreeding eventually might predominate but would require huge sample sizes for detection.

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Conservation of the Black-Tailed Prairie Dog: Saving North America's Western Grasslands by John Hoogland


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