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

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 USA. Myriad animals frequently stopover at colony-sites to feed at the grass there, to take advantage of the burrows for shield or nesting, or to prey at the prairie canine. regrettably, prairie canines are disappearing, and the present quantity is just approximately 2% of the quantity encountered by means of Lewis and Clark within the early 1800s. half I of Conservation of the Black-Tailed Prairie puppy summarizes ecology and social habit for pivotal matters akin to whilst prairie canines breed, how a ways they disperse, how they have an effect on different organisms, and what sort of they compete with farm animals. half II files how lack of habitat, poisoning, plague, and leisure capturing have brought on the precipitous decline of prairie puppy populations during the last two hundred years. half III proposes functional ideas that could make sure the longterm survival of the prairie puppy and its grassland environment, and in addition are reasonable to non-public landowners. we can't anticipate farmers and ranchers to undergo the entire charges of conservation whereas the remainder of us take pleasure in the entire advantages. With seven-hundred references, 37 tables, seventy five figures and pictures, and a thesaurus, Conservation of the Black-Tailed Prairie puppy is a distinct and very important contribution for flora and fauna 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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Extra resources for Conservation of the Black-Tailed Prairie Dog: Saving North America's Western Grasslands

Example text

I documented death for only 52 individuals: 22 predations that I observed and 30 prairie dogs whose carcasses I found aboveground. I verified long-distance dispersal from my study-colony for only two individuals. 6 miles) from the study-colony. In April 1988, James G. 2 miles) away; this male was two years old at the time of capture, but he disappeared from the studycolony in June 1987 while still a yearling. I discuss dispersal in more detail in the next section. Despite my ignorance of the reasons for disappearance of prairie dogs at my study-colony, I discovered a surprising pattern in the timing of disappearance (Hoogland 1995).

2. Social Behavior of Prairie Dogs 23 By tracking co-submergences of breeding males and females and the associated aboveground behaviors, students and I can document more than 90% of matings each year. 11). The earliest date of mating at my study-colony in South Dakota occurred on 16 February, the latest on 13 April, and the average was 7 March (Hoogland 1995). The timing of matings each year largely determines the timing of other reproductive events as well. Because matings at my study-colony in South Dakota occurred in late February through early March each year, for example, females were pregnant in late February through mid-April, the period of nursing offspring began in late March and extended into May, and nearly weaned juveniles first emerged from their natal burrows in mid-May through early June (Hoogland 1995).

1 also apply to this table. 148 unmarked prairie dogs from a distance. Unfortunately, no other obvious intersexual difference—in color, for example—exists that would allow sexing from a distance (King 1955; Chace 1976). That’s too bad, because sexing from a distance would facilitate conservation. Regarding recreational shooting, for example, wildlife managers or landowners could deter population crashes by requiring that marksmen shoot only males if we could easily distinguish between males and females from a distance.

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

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