Author: Ashraf M.T. Elewa Publisher: Springer Science & Business Media ISBN: 3540266046 Category : Science Languages : en Pages : 339
Book Description
Why do some animals migrate? How does migration affect the gene pool? This book discusses these questions and more, in light of the high evolutionary costs and risks of mass movement. The editor presents a collection of topics explaining the migration of organisms through many examples of different groups of marine and non-marine organisms, from micro-invertebrates to large mammals.
Author: Barrie G. M. Jamieson Publisher: CRC Press ISBN: 1482294346 Category : Science Languages : en Pages : 636
Book Description
This volume contains original contributions from an international group of authors with the highest reputations in their respective areas of phylogenetic and reproductive studies on salamanders and newts. A full panoply of topics is covered, from morphology of gametes and reproductive systems to considerations of behavior and life history, all plac
Author: David Martin Green Publisher: Society for the Study of Amphibians & Reptiles ISBN: Category : History Languages : en Pages : 364
Book Description
The first volume of the series comprises the report to a task force of the World Conservation Union (IUCN) by a Canadian research group. The 29 papers include demographic and population studies, status reports, descriptions of methods, and studies or reviews of causes of amphibian declines. Among the suspected causes are pesticides, global change, ultraviolet radiation, and disease. An appendix describes the status of all 47 species of Canadian amphibians and includes photographs of most. Annotation copyrighted by Book News, Inc., Portland, OR
Author: Ashraf M.T. Elewa
Author: Barrie G. M. Jamieson
Author: Patrick J. Sousa
Author: 
Author: 
Author: Richard M. DeGraaf
Author: Hugh W. Reynolds
Author: Richard M. DeGraaf
Author: David Martin Green
Author: U.S. Fish and Wildlife Service