Coqui Frogs And Other Latin American Frogs Coqu Es Y Otras Ranas De Latinoam Rica
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Coqui Frogs And Other Latin American Frogs
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Author : Zella Williams
language : en
Publisher:
Release Date : 2010
Coqui Frogs And Other Latin American Frogs written by Zella Williams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Eleutherodactylus coqui categories.
Coqui frogs are the unofficial symbol of Puerto Rico. Learn about their habitat, diet, and more. Find out about some other Latin American frogs, such as the poison dart frog and the red-eyed tree frog, too.
Coqui Frogs And Other Latin American Frogs Coqu Es Y Otras Ranas De Latinoam Rica
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Author : Zella Williams
language : en
Publisher: The Rosen Publishing Group, Inc
Release Date : 2009-08-15
Coqui Frogs And Other Latin American Frogs Coqu Es Y Otras Ranas De Latinoam Rica written by Zella Williams and has been published by The Rosen Publishing Group, Inc this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-08-15 with Juvenile Nonfiction categories.
Coqui frogs are the unofficial symbol of Puerto Rico. Readers will learn about their habitat and diet. Students will also learn about some other Latin American frogs, such as the poison dart frog and the red-eyed tree frog, too.
Endangered Species Threatened Convention
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Author : Barnabas Dickson
language : en
Publisher: Routledge
Release Date : 2013-11-05
Endangered Species Threatened Convention written by Barnabas Dickson and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-05 with Nature categories.
The Convention on International Trade in Endangered Species (CITES) is the best known and most controversial of international conservation treaties. Since it came into force 25 years ago, debate has raged over its most basic assumptions. CITES treats the international trade in wildlife as the most important threat to the continued existence of wild species. It offers a prescription of trade bans and restrictions for endangered species. However, it is now generally acknowledged that for most species habitat loss is a much more significant threat. Some argue that the CITES remedy actually exacerbates the problem by removing the incentive to conserve wildlife habitat. This collection of essays, the first of its kind, charts the controversies and changes within CITES. It provides case studies of the way CITES has dealt with particular species and notes the growing role of the South in shaping the direction of the treaty. It considers the role of sustainable use, the precautionary principle and unilateralism within CITES. Finally, it examines options for the future of CITES. Implicit within a number of the contributions is the recognition that questions of wildlife conservation cannot be divorced from wider issues of land use, development and social justice. This book provides an essential resource for policy makers, practitioners, academics and students concerned with conservation, development and trade.
The Evolution Of Air Breathing In Vertebrates
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Author : David J. Randall
language : en
Publisher: Cambridge University Press
Release Date : 2009-06-11
The Evolution Of Air Breathing In Vertebrates written by David J. Randall and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-06-11 with Science categories.
First published in 1981, this book presents an original approach to an area of great importance in comparative zoology and physiology and evolutionary biology: the evolution of air breathing in vertebrates from aquatic ancestors. The subject is approached from a functional as well as an anatomical viewpoint, utilising knowledge of the physiology of extant animals to trace probable evolutionary steps. Opening with a brief summary of current views of vertebrate evolution, the authors then go on to deal with problems of oxygen transfer in water and air and the structure and function of gills and lungs. Carbon dioxide transfer in water-breathing forms is seen as being tightly coupled to an ion and acid-base regulation. The evolution of air breathing is seen as a several-stage process, beginning with the evolution of accessory air-breathing structures for oxygen uptake.