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Data de inscrição : 09/08/2018 
MARSUPIALS - BOOKS
Sex Ago 10, 2018 6:22 pm
MARSUPIALS - BOOKS
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- Mensagens : 560
Data de inscrição : 09/08/2018
Biology of the Marsupials
Sáb Ago 18, 2018 11:38 pm
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Kangaroos: Biology of the Largest Marsupials
Sáb Ago 18, 2018 11:40 pm
Kangaroos may be the strangest of mammals - not so much because they keep their babies in pouches and lok like a cross between a giant rat and a deer - but because they alone among the large vertebrates can hop. This appealing natural history by an internationally known expert is the only up-to-date book on these unique animals. Illustrating his account with color photos and black-and-white drawings, Terence J. Dawson makes recent research on the biology, locomotion, behavior, and ecology of large kangaroos accessible to readers from tourists to specialists.The six species and four subspecies of red and gray kangaroos occupy habitats across most of Australia, and are distinguished mainly by size from their smaller relatives the wallabies. The largest marsupials, kangaroos belong to the Superfamily Macropodoidae, or "big foots", and are further characterized by complex stomachs and specialized teeth for grazing.Dawson considers the evolution of kangaroos, as well as their energetics, grazing habits, and classification. For each species, he details social organization, habitat, patterns of activity, population structure, reproductive biology and bheavior, feeding characteristics, and environmental physiology. The author documents as well the uneven history of coexistence between kangaroos and their human neighbors - both aboriginal and European. In addition to comparing cultural attitudes towards kangaroos, he explores such issues as hunting habits, conservation efforts, the problem of kangaroos as agricultural pests, and the economics of kangaroo ranching.Terence J. Dawson is Professor of Zoology at the School of Biological Science, University of New South Wales, Sydney.
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Walker's Marsupials of the World
Sáb Ago 18, 2018 11:41 pm
Authoritative and engaging, this volume from the Walker's Mammals series focuses on marsupials, pouched animals whose unusual method of reproduction―between egg laying and placental birth―places them in a unique category among mammals.
A comprehensive guide to the biology and distribution of marsupials, this book includes common and scientific names, size and physical traits, habitat and ecology, behavior and social interactions, reproduction, life span, and conservation. The text is coupled with illustrations from the collections of leading photographers and the world's greatest museums. An introduction by marsupial expert Christopher R. Dickman describes the evolution and current status of marsupials and reveals why they add so much intrigue to the natural world.
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Reproductive Physiology of Marsupials
Sáb Ago 18, 2018 11:43 pm
Marsupials differ from most other mammals in their method of reproduction, in that they have chosen, in an evolutionary sense, to develop lactation rather than placentation for the nurture of their young. The neonate is therefore born with a mixture of advanced and embryonic characters, and yet is readily accessible within the pouch, providing a unique system for the study of the ontogeny of various physiological and endocrinological parameters. Marsupials are therefore ideal animals for research into mammalian reproductive physiology. The results of this exciting new research are summarized in this book by two of the foremost workers in the field. Individual chapters analyse the genetic and hormonal control of sexual differentiation, male and female reproductive structures and their functions, the role of the corpus luteum in the oestrous cycle and pregnancy, the hormonal control of embryonic diapause and the role of the marsupial placenta in the development of the embryo. This book is more than just a straightforward review of marsupial reproduction for its detailed analyses and broad comparative coverage will attract mammalogists and reproductive physiologists with a wide range of research interests.
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Marsupials
Sáb Ago 18, 2018 11:44 pm
The last twenty years have seen many exciting discoveries leading to significant developments in our understanding of marsupial biology. Marsupials are emerging as model organisms in studies of life history evolution, ageing and senescence, sex determination and the development and regeneration of the nervous system. This volume provides a synthesis of recent developments in marsupial biology, bringing together knowledge currently scattered througout the primary literature.
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