Ecological, Behavioral and Genomic Consequences in the Rodent Family Sciuridae: Why Are Squirrels So Diverse? PDF Download
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Author: Toni Gossmann
Publisher: Frontiers Media SA
ISBN: 2889717151
Category : Science
Languages : en
Pages : 171
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Book Description
Author: Toni Gossmann
Publisher: Frontiers Media SA
ISBN: 2889717151
Category : Science
Languages : en
Pages : 171
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Book Description
Author: Richard W. Thorington
Publisher: JHU Press
ISBN: 0801884020
Category : Nature
Languages : en
Pages : 220
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Book Description
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Author: W. Patrick Luckett
Publisher: Springer Science & Business Media
ISBN: 1489905391
Category : Science
Languages : en
Pages : 720
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Book Description
The order Rodentia is the most abundant and successful group of mammals, and it has been a focal point of attention for compar ative and evolutionary biologists for many years. In addition, rodents are the most commonly used experimental mammals for bio medical research, and they have played a central role in investi gations of the genetic and molecular mechanisms of speciation in mammals. During recent decades, a tremendous amount of new data from various aspects of the biology of living and fossil rodents has been accumulated by specialists from different disciplines, ranging from molecular biology to paleontology. Paradoxically, our understanding of the possible evolutionary relationships among different rodent families, as well as the possible affinities of rodents with other eutherian mammals, has not kept pace with this information "explosion. " This abundance of new biological data has not been incorporated into a broad synthesis of rodent phylo geny, in part because of the difficulty for any single student of rodent evolution to evaluate the phylogenetic significance of new findings from such diverse disciplines as paleontology, embryology, comparative anatomy, molecular biology, and cytogenetics. The origin and subsequent radiation of the order Rodentia were based primarily on the acquisition of a key character complex: specializations of the incisors, cheek teeth, and associated mus culoskeletal features of the jaws and skull for gnawing and chewing.
Author: Sabine Begall
Publisher: Springer Science & Business Media
ISBN: 3540692762
Category : Science
Languages : en
Pages : 392
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Book Description
Subterranean Rodents presents achievements from recent years of research on these rodents, divided into five sections: ecophysiology; sensory ecology; life histories, behavioural ecology and demography; environmental and economical impact; molecular ecology and evolution. It is a must for all researchers working in this field and will be of interest to zoologists, physiologists, morphologists, ecologists, and evolutionary biologists.
Author: Ara Monadjem
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110301911
Category : Nature
Languages : en
Pages : 1102
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Book Description
This comprehensive handbook covers all the rodents occurring in Southern, Central, East and West Africa, south of the Sahara. Genus and species accounts include diagnostic descriptions, systematics and taxonomy, biogeographical environment, fossil species, photographs of skull and mandible, illustrations of molar dentition, photographs of live animals, distribution maps and tables of standard museum measurements.
Author: Mike Lehane
Publisher: Springer Science & Business Media
ISBN: 9401179530
Category : Science
Languages : en
Pages : 301
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Book Description
Blood-sucking insects are the vectors of many of the most debilitating parasites of man and his domesticated animals. In addition they are of considerable direct cost to the agricultural industry through losses in milk and meat yields, and through damage to hides and wool, etc. So, not surprisingly, many books of medical and veterinary entomology have been written. Most of these texts are organized taxonomically giving the details of the life-cycles, bionomics, relationship to disease and economic importance of each of the insect groups in turn. I have taken a different approach. This book is topic led and aims to discuss the biological themes which are common in the lives of blood-sucking insects. To do this I have concentrated on those aspects of the biology of these fascinating insects which have been clearly modified in some way to suit the blood-sucking habit. For example, I have discussed feeding and digestion in some detail because feeding on blood presents insects with special problems, but I have not discussed respiration because it is not affected in any particular way by haematophagy. Naturally there is a subjective element in the choice of topics for discussion and the weight given to each. I hope that I have not let my enthusiasm for particular subjects get the better of me on too many occasions and that the subject material achieves an overall balance.
Author: Anne Charmantier
Publisher: Oxford University Press
ISBN: 019967423X
Category : Medical
Languages : en
Pages : 293
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Book Description
This book gathers the expertise of 30 evolutionary biologists from around the globe to highlight how applying the field of quantitative genetics - the analysis of the genetic basis of complex traits - aids in the study of wild populations.
Author: N. Eldredge
Publisher: Springer Science & Business Media
ISBN: 1461382718
Category : Science
Languages : en
Pages : 445
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Book Description
The case history approach has an impressive record of success in a variety of disciplines. Collections of case histories, casebooks, are now widely used in all sorts of specialties other than in their familiar appli cation to law and medicine. The case method had its formal beginning at Harvard in 1871 when Christopher Lagdell developed it as a means of teaching. It was so successful in teaching law that it was soon adopted in medical education, and the collection of cases provided the raw material for research on various diseases. Subsequently, the case history approach spread to such varied fields as business, psychology, management, and economics, and there are over 100 books in print that use this approach. The idea for a series of Casehooks in Earth Science grew from my experience in organizing and editing a collection of examples of one variety of sedimentary deposits. The prqject began as an effort to bring some order to a large number of descriptions of these deposits that were so varied in presentation and terminology that even specialists found them difficult to compare and analyze. Thus, from the beginning, it was evident that something more than a simple collection of papers was needed. Accordingly, the nearly fifty contributors worked together with George de Vries Klein and me to establish a standard format for presenting the case histories.
Author: Institute of Laboratory Animal Resources (U.S.)
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 510
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Book Description
Author: John A. Endler
Publisher: Princeton University Press
ISBN: 0691209510
Category : Science
Languages : en
Pages : 352
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Book Description
Natural selection is an immense and important subject, yet there have been few attempts to summarize its effects on natural populations, and fewer still which discuss the problems of working with natural selection in the wild. These are the purposes of John Endler's book. In it, he discusses the methods and problems involved in the demonstration and measurement of natural selection, presents the critical evidence for its existence, and places it in an evolutionary perspective. Professor Endler finds that there are a remarkable number of direct demonstrations of selection in a wide variety of animals and plants. The distribution of observed magnitudes of selection in natural populations is surprisingly broad, and it overlaps extensively the range of values found in artificial selection. He argues that the common assumption that selection is usually weak in natural populations is no longer tenable, but that natural selection is only one component of the process of evolution; natural selection can explain the change of frequencies of variants, but not their origins.
