The Frequency and Character of the Frog Parasites in this Region PDF Download

Author: Arthur Lloyd Smith
Publisher:
ISBN:
Category : Frogs
Languages : en
Pages : 74

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Author: Arthur Lloyd Smith
Publisher: Forgotten Books
ISBN: 9780428474089
Category : Science
Languages : en
Pages : 80

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Excerpt from The Frequency and Character of the Frog Parasites in This Region As the frogs were collected they were taken to the laboratory and placed in heavy glass jars, containing deep well water, having a high percentage of mineral matter. The specimens were kept in this environment for a period not exceed ing four weeks from time of capture, the water in the jars being changed at least twice a week. No food was given the frogs except that, which they might derive from the fresh water. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Author:
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ISBN:
Category :
Languages : en
Pages :

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Author: Robert Poulin
Publisher: Smithsonian Institution
ISBN: 1935623494
Category : Science
Languages : en
Pages : 225

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This comprehensive, groundbreaking book on the biodiversity of parasites offers a clear and accessible explanation of how parasite biodiversity provides insight into the history and biogeography of other organisms, the structure of ecosystems, and the processes that lead to the diversification of life.

Author: James Desmond Smyth
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 136

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Author: Lewis I. Held, Jr
Publisher: Cambridge University Press
ISBN: 1108834701
Category : Medical
Languages : en
Pages : 295

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Highlights what we know about the pathways pursued by embryos and evolution, and stresses what we do not yet know.

Author: Robert Poulin
Publisher: Princeton University Press
ISBN: 1400840805
Category : Science
Languages : en
Pages : 343

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Parasites have evolved independently in numerous animal lineages, and they now make up a considerable proportion of the biodiversity of life. Not only do they impact humans and other animals in fundamental ways, but in recent years they have become a powerful model system for the study of ecology and evolution, with practical applications in disease prevention. Here, in a thoroughly revised and updated edition of his influential earlier work, Robert Poulin provides an evolutionary ecologist's view of the biology of parasites. He sets forth a comprehensive synthesis of parasite evolutionary ecology, integrating information across scales from the features of individual parasites to the dynamics of parasite populations and the structuring of parasite communities. Evolutionary Ecology of Parasites presents an evolutionary framework for the study of parasite biology, combining theory with empirical examples for a broader understanding of why parasites are as they are and do what they do. An up-to-date synthesis of the field, the book is an ideal teaching tool for advanced courses on the subject. Pointing toward promising directions and setting a research agenda, it will also be an invaluable reference for researchers who seek to extend our knowledge of parasite ecology and evolution.

Author: Gerald W. Esch
Publisher: Springer Science & Business Media
ISBN: 9400908377
Category : Science
Languages : en
Pages : 397

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We first discussed the possibility of organizing a symposium on helminth communities in June, 1986. At that time, we were engaged in writing a joint paper on potential structuring mechanisms in helminth communities; we disagreed on a number of issues. We felt the reason for such debate was because the discipline was in a great state of flux, with many new concepts and approaches being introduced with increasing frequency. After consider able discussion about the need, scope and the inevitable limitations of such a symposium, we decided that the time was ripe to bring other ecologists, engaged in similar research, face-to-face. There were many individuals from whom to choose; we selected those who were actively publishing on helminth communities or those who had expertise in areas which we felt were particularly appropriate. We compiled a list of potential participants, contacted them and received unanimous support to organize such a symposium. Our intent was to cover several broad areas, fully recognizing that breadth negates depth (at least with a publisher's limitation on the number of pages). We felt it important to consider patterns amongst different kinds of hosts because this is where we had disagreed among ourselves.

Author: Kenneth Wilson
Publisher: Cambridge University Press
ISBN: 1107136563
Category : Mathematics
Languages : en
Pages : 693

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Book Description
Introduces readers to key case studies that illustrate how theory and data can be integrated to understand wildlife disease ecology.

Author: Michael J. Lannoo
Publisher: Univ of California Press
ISBN: 9780520235922
Category : Nature
Languages : en
Pages : 1124

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Book Description
Documents in comprehensive detail a major environmental crisis: rapidly declining amphibian populations and the disturbing developmental problems that are increasingly prevalent within many amphibian species.