Trophic Ecology of Adult Coyotes (Canis Latrans) in South Central Pennsylvania PDF Download
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Author: Kenneth D. Bixel
Publisher:
ISBN:
Category : Coyote
Languages : en
Pages : 108
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Book Description
Author: Kenneth D. Bixel
Publisher:
ISBN:
Category : Coyote
Languages : en
Pages : 108
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Book Description
Author: Jamie M. Chronert
Publisher:
ISBN:
Category : Coyote
Languages : en
Pages : 246
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Book Description
Author: Denara Lynn Manning
Publisher:
ISBN:
Category :
Languages : en
Pages :
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ABSTRACT: Coyotes (Canis latrans) have inhabited Florida (USA) since the 1960s and are currently found throughout the state. The purpose of the present study was to obtain information on enteric parasites and diet of Florida coyotes from two different habitat types. Seasonal variation in diet was also examined. Fresh coyote fecal samples were collected from protected and urban habitats in Pinellas County, Florida (USA; 27°54' n, 82°41'w) from may 2005 to march 2007. A standard fecal flotation examination and formalin-ethyl acetate sedimentation were utilized on fecal samples collected from the protected (n=40) and urban (n=50) habitats. Five novel (newly documented) parasites of coyotes were discovered; one cestode (Hymenolepis spp.), one nematode (Ascaris spp.), and three protozoa (Balantidium coli, Blastocystis spp., and Entamoeba histolytica). Novel parasites of Florida coyotes were also discovered two cestodes (diphyllobothrium latum and dipylidium caninum), two nematodes (toxocara canis and uncinaria stenocephala), one trematode (paragonimus spp.), and four protozoa (cryptosporidium spp., giardia canis, isospora spp., and sarcocystis cruzi). One cestode (Taenia spp.), three nematodes (Ancylostoma caninum, Physaloptera spp., and Trichurus vulpis), and one trematode (Alaria spp.) were also recovered, all of which have previously been documented in Florida coyotes. Diet items were identified to the lowest possible taxonomic level by gross morphological characteristics and medullary configurations of dorsal guard hairs. A poisson regression was utilized to determine the relation between diet items and habitat, season, and interaction. In the protected habitat (n=49), vegetative matter (96%), Insecta (53%), and Rodentia (45%) were recovered most often, as opposed to berries (56%) and Lagomorpha (32%) in the urban habitats (n=71). Overall, vegetative matter, berries, and Lagomorpha were recovered most often from Florida coyote fecal samples. Odocoileus virginianus, Lagomorpha, and berries varied the most between wet and dry seasons. It is suggested that Florida coyotes are more susceptible to reinfection by novel parasites because of their rapid range expansion and lack of acquired immunity. Rapid habitat loss in Florida (i.e., urbanization) lowers survival of adult coyotes, increases the probability of transmission of disease between wild and domestic canids, and alters the diet of coyotes by lowering biological diversity of available prey items.
Author: Jonathan G. Way
Publisher:
ISBN:
Category :
Languages : en
Pages : 214
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Author: Maili S. Page
Publisher:
ISBN:
Category : Cape Cod (Mass.)
Languages : en
Pages : 64
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Author: Rachel Elizabeth Brown Reid
Publisher:
ISBN: 9781321281361
Category :
Languages : en
Pages : 154
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Book Description
Coyotes (Canis latrans) have an expanding North and Central American range and have also been shown to benefit from marine subsidies. Identifying the past and present role coyotes play in linking land and sea, and whether those links are lost or gained through time, will have important implications for the future management of this expanding species. The goals of my dissertation were to: (1) characterize the extent, magnitude and importance of a marine subsidy to modern coyotes on the central California coast; (2) determine whether Holocene coyotes on the central California Coast had an equivalent dietary niche; and (3) begin to evaluate (via predation and competition) the impact of this modern marine subsidy (where it occurs) on key terrestrial species.
Author: Marc Bekoff
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 416
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Book Description
Originally published in 1978, this text pulls together much disparate research in coyote evolution, taxonomy, reproduction, communication, behavioral development, population dynamics, and ecological studies in the Southwest, Minnesota, Iowa, New England, and Wyoming. (Animals/Pets)
Author: William J. Mcshea
Publisher: National Geographic Books
ISBN: 1588340627
Category : Science
Languages : en
Pages : 0
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Book Description
Easily the most common of America’s large wildlife species, white-tailed deer are often referred to as "overabundant." But when does a species cross the threshold from common to overpopulated? This question has been the focus of debate in recent years among hunters, animal rights activists, and biologists. William McShea and his colleagues explore every aspect of the issue in The Science of Overabundance. Are there really too many deer? Do efforts to control deer populations really work? What broader lessons can we learn from efforts to understand deer population dynamics? Through twenty-three chapters, the editors and contributors dismiss widely held lore and provide solid information on this perplexing problem.
Author: Joshua Ross Ginsberg
Publisher: IUCN
ISBN: 9782880329969
Category : Canidae
Languages : en
Pages : 124
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Book Description
Author: Charles J. Krebs
Publisher: Oxford University Press on Demand
ISBN: 9780195133936
Category : Science
Languages : en
Pages : 511
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Book Description
The boreal forest is one of the world's great ecosystems, stretching across North America and Eurasia in an unbroken band and containing about 25% of the world's closed canopy forests. The Kluane Boreal Forest Ecosystem Project was a 10-year study by nine of Canada's leading ecologists to unravel the impact of the snowshoe hare cycle on the plants and the other vertebrate species in the boreal forest. In much of the boreal forest, the snowshoe hare acts as a keystone herbivore, fluctuating in 9-10 year cycles, and dragging along secondary cycles in predators such as lynx and great-horned owls. By manipulating the ecosystem on a large scale from the bottom via fertilizer additions and from the top by predator exclosures, they have traced the plant-herbivore relationships and the predator-prey relationships in this ecosystem to try to answer the question of what drives small mammal population cycles. This study is unique in being large scale and experimental on a relatively simple ecosystem, with the overall goal of defining what determines community structure in the boreal forest. Ecosystem Dynamics of the Boreal Forest: The Kluane Project summarizes these findings, weaving new discoveries of the role of herbivores-turned-predators, compensatory plant growth, and predators-eating-predators with an ecological story rich in details and clear in its findings of a community where predation plays a key role in determining the fate of individuals and populations. The study of the Kluane boreal forest raises key questions about the scale of conservation required for boreal forest communities and the many mammals and birds that live there.
