Dietary Analysis and Conservation Genetics of the Endangered Ozark Big-eared Bat Corynorhinus Townsendii Ingens PDF Download
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Author: Danyelle Nicole Lee
Publisher:
ISBN:
Category :
Languages : en
Pages : 82
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Book Description
Populations of endangered Ozark big-eared bats Corynorhinus townsendii ingens are restricted to 19 essential maternity caves or hibernacula in Oklahoma and Arkansas and total only 1,600-1,800 individuals. Effective conservation and management should encompass many aspects of the species natural history and genetics.
Author: Danyelle Nicole Lee
Publisher:
ISBN:
Category :
Languages : en
Pages : 82
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Book Description
Populations of endangered Ozark big-eared bats Corynorhinus townsendii ingens are restricted to 19 essential maternity caves or hibernacula in Oklahoma and Arkansas and total only 1,600-1,800 individuals. Effective conservation and management should encompass many aspects of the species natural history and genetics.
Author: Luke Elden Dodd
Publisher:
ISBN:
Category : Plecotus townsendii
Languages : en
Pages : 472
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Book Description
Author: Brian Fuller
Publisher:
ISBN:
Category : Bats
Languages : en
Pages : 106
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Book Description
The Ozark big-eared bat (Corynorhinus townsendii ingens) is an endangered subspecies of the Townsend big-eared bat (Corynorhinus townsendii). Human disturbance along with other factors resulted in population declines of the Ozark big-eared bat that were significant enough for the United States Fish and Wildlife Service (US FWS) to list the species as endangered in 1979. The US FWS recovery goal for the Ozark big-eared bat was an increasing or stable population over a 10 year period. To evaluate the progress towards this goal, I performed a population trend analysis over the last 10, 20, and 33 year periods. The total Oklahoma OBEB maternity population trend analysis did not show a trend but indicated a stable population for all three time periods. In addition I helped develop and test a new method for counting Ozark big-eared bats at maternity sites in Oklahoma using night vision video cameras and infrared lights as a viable alternative to current Ozark big-eared bat census techniques. The video method helps minimize human disturbance at the cave and allows people with very little experience to perform a reliable maternity count.
Author: Loren K. Ammerman
Publisher: Texas A&M University Press
ISBN: 1603444769
Category : Nature
Languages : en
Pages : 330
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Book Description
With all new illustrations, color photographs, revised species accounts, updated maps, and a sturdy flexible binding, this new edition of the authoritative guide to bats in Texas will serve as the field guide and all-around reference of choice for amateur naturalists as well as mammalogists, wildlife biologists, and professional conservationists. Texas is home to all four families of bats that occur in the United States, including thirty-three species of these important yet increasingly threatened mammals. Although five species, each represented by a single specimen, may be regarded as vagrants, no other state has a bat fauna more diverse, from the state’s most common species, the Brazilian free-tailed bat, to the rare hairy-legged vampire. The introductory chapter of this new edition of Bats of Texas surveys bats in general—their appearance, distribution, classification, evolution, biology, and life history—and discusses public health and bat conservation. An updated account for each species follows, with pictures by an outstanding nature photographer, distribution maps, and a thorough bibliography. Bats of Texas also features revised and illustrated dichotomous keys accompanied by gracefully detailed line drawings to aid in identification. A list of specimens examined is located at batsoftexas.com.
Author: Melynda Hickman
Publisher:
ISBN:
Category : Ozark big-eared bat
Languages : en
Pages : 1
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 152
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Book Description
Author: Traci Ann Wethington
Publisher:
ISBN:
Category : Ozark big-eared bat
Languages : en
Pages : 7
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Book Description
Author: Traci Ann Wethington
Publisher:
ISBN:
Category : Ozark big-eared bat
Languages : en
Pages : 7
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Book Description
Author: Traci Ann Wethington
Publisher:
ISBN:
Category :
Languages : en
Pages : 106
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Book Description
Author: Susan C. Loeb
Publisher:
ISBN:
Category : Micronycteris
Languages : en
Pages : 157
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Book Description
Three taxa of big-eared bats (genus Corynorhinus) inhabit the Eastern United States. Rafinesque's bigeared bats (C. rafinesquii) are widely distributed from West Virginia to Texas whereas the Virginia big-eared bat (C. t. virginianus) and the Ozark big-eared bat (C. t. ingens) have limited ranges. Over the past 20 years, research on the biology, ecology, and conservation of bats throughout the world has increased, but research on big-eared bats of the Eastern United States has been less extensive. In evaluating the current state of knowledge, we reviewed the existing literature on big-eared bats that inhabit the Eastern United States and found 155 references, of which 101 were research notes, full articles, or review papers. In contrast, we found 239 references on the Indiana bat (Myotis sodalis), an endangered species with a similar geographic range size in the Eastern United States. Through our assessment of the literature on big-eared bats, we identified many gaps in our knowledge and understanding, including demography, population dynamics, social organization, hibernation and other aspects of physiological ecology, foraging behavior and diet, the effects of forest management, and the effects of conservation efforts. We also found that research on Virginia and Ozark big-eared bats has decreased in recent years while research on Rafinesque's big-eared bats has increased. Papers in these proceedings fill many of the knowledge gaps but much research is still needed to provide managers with the information they need to conserve these sensitive species.
