Miscel L Nia Zool Gica
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Animal Dispersal
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Author : N.C. Stenseth
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Animal Dispersal written by N.C. Stenseth and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
4.1.1 Demographic significance Confined populations grow more rapidly than populations from which dispersal is permitted (Lidicker, 1975; Krebs, 1979; Tamarin et at., 1984), and demography in island populations where dispersal is restricted differs greatly from nearby mainland populations (Lidicker, 1973; Tamarin, 1977, 1978; Gliwicz, 1980), clearly demonstrating the demographic signi ficance of dispersal. The prevalence of dispersal in rapidly expanding populations is held to be the best evidence for presaturation dispersal. Because dispersal reduces the growth rate of source populations, it is generally believed that emigration is not balanced by immigration, and that mortality of emigrants occurs as a result of movement into a 'sink' of unfavourable habitat. If such dispersal is age- or sex-biased, the demo graphy of the population is markedly affected, as a consequence of differ ences in mortality in the dispersive sex or age class. Habitat heterogeneity consequently underlies this interpretation of dispersal and its demographic consequences, although the spatial variability of environments is rarely assessed in dispersal studies.
Elwyn Simons A Search For Origins
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Author : John G Fleagle
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-12-03
Elwyn Simons A Search For Origins written by John G Fleagle and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-03 with Science categories.
For nearly a half century, Dr. Simons has dominated the study of primate evolution. This volume summarizes the current state of knowledge in many aspects of primate and human evolution that have been studied by Simons and his colleagues and place it in a broader paleontological and historical perspective. The book contains the results of new research as well as reviews of many of the critical issues in primate and human evolution during the last half of the twentieth century.
Diseases Of Marine Animals
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Author : Otto Kinne
language : en
Publisher:
Release Date : 1980
Diseases Of Marine Animals written by Otto Kinne and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Animals categories.
The Biology Of Chameleons
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Author : Krystal A. Tolley
language : en
Publisher: Univ of California Press
Release Date : 2013-11-16
The Biology Of Chameleons written by Krystal A. Tolley and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-16 with Science categories.
They change color depending on their mood. They possess uniquely adapted hands and feet distinct from other tetrapods. They feature independently movable eyes. This comprehensive volume delves into these fascinating details and thorough research about one of the most charismatic families of reptilesÑChameleonidae. Written for professional herpetologists, scholars, researchers, and students, this book takes readers on a voyage across time to discover everything that is known about chameleon biology: anatomy, physiology, adaptations, ecology, behavior, biogeography, phylogeny, classification, and conservation. A description of the natural history of chameleons is given, along with the fossil record and typical characteristics of each genus. The state of chameleons in the modern world is also depicted, complete with new information on the most serious threats to these remarkable reptiles.
The Basin Of Mexico
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Author : Exequiel Ezcurra
language : en
Publisher:
Release Date : 1999
The Basin Of Mexico written by Exequiel Ezcurra and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Business & Economics categories.
"The book examines some of these questions in a historic perspective, arguing that the depletion of natural resources in the Basin of Mexico is not just a recent phenomenon."--BOOK JACKET.
Aquatic Biodiversity
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Author : Koen Martens
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Aquatic Biodiversity written by Koen Martens and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
In this age of increased fundamental and applied research on biodiversity, no single volume was as yet devoted to the various temporal and spatial aspects of aquatic biodiversity. The present book is published in honour of Professor Henri Dumont (Ghent, Belgium) at the occasion of his retirement as Editor-in-Chief of Hydrobiologia. The volume presents a selection of contributions on aquatic biodiversity, written by colleagues from the editorial board, fellow editors of aquatic journals and former students and collaborators. Contributions deal with a wide spectrum of topics related to aquatic biodiversity and cover fields such as actual- and palaeolimnology, taxonomy, and fundamental and applied limnology. Even reconnaissance chapters on management and cultural impact of water bodies are included. The book combines state-of-the-art contributions in aquatic sciences.
Enabling The Business Of Agriculture 2019
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Author : World Bank Group
language : en
Publisher: World Bank Publications
Release Date : 2019-11-18
Enabling The Business Of Agriculture 2019 written by World Bank Group and has been published by World Bank Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-18 with Business & Economics categories.
Enabling the Business of Agriculture 2019 presents indicators that measure the laws, regulations and bureaucratic processes that affect farmers in 101 countries. The study covers eight thematic areas: supplying seed, registering fertilizer, securing water, registering machinery, sustaining livestock, protecting plant health, trading food and accessing finance. The report highlights global best performers and countries that made the most significant regulatory improvements in support of farmers.
Diseases Of Marine Animals
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Author : Otto Kinne
language : en
Publisher:
Release Date : 1980
Diseases Of Marine Animals written by Otto Kinne and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Animals categories.
Nomenclator Zoologicus
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Author :
language : en
Publisher:
Release Date : 1940
Nomenclator Zoologicus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1940 with categories.
Madkour S Brucellosis
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Author : M.Monir Madkour
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Madkour S Brucellosis written by M.Monir Madkour and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
A full description of the clinical aspect and pathology of the disease, with a discussion of current treatment. This updated edition includes five new chapters: endocrinal brucellosis, difficulties in diagnosis and management, HIV and brucellosis, bioterrorism and brucellae, and spondylitis with neurobrucellosis. The book presents a complete, up-to-date picture of the disorder and will appeal to clinicians, students, researchers and also to veterinarians.