Ecological Energetics of a Homeothermic Predator PDF Download
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Author: James Collier Randolph
Publisher:
ISBN:
Category : Body temperature
Languages : en
Pages : 270
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Book Description
Presents a detailed examination of the thermal and chemical energy fluxes of an individual predator (the short-tailed shrew) to estimate the energy transfer from prey populations to predator populations on a seasonal basis.
Author: James Collier Randolph
Publisher:
ISBN:
Category : Body temperature
Languages : en
Pages : 270
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Book Description
Presents a detailed examination of the thermal and chemical energy fluxes of an individual predator (the short-tailed shrew) to estimate the energy transfer from prey populations to predator populations on a seasonal basis.
Author: James A. Gessaman
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 170
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Book Description
Author: Richard G. Wiegert
Publisher: Dowden Hutchinson and Ross
ISBN:
Category : Science
Languages : en
Pages : 488
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Book Description
History and theory; Energy: levels of storage and efficiencies of transfer; Energy: rates of transfer; Energetics of ecosystems.
Author: D.M. Stoddart
Publisher: Springer Science & Business Media
ISBN: 9400957726
Category : Science
Languages : en
Pages : 396
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Book Description
From their largely descriptive beginnings about a half century ago, studies on the ecology of small mammals have mushroomed in number, scope, content and complexity. Yet strangely, or perhaps not so strangely if one considers the extent and complexity of ecological interactions, the main problems for which the early workers sought answers still defy complete analysis, and basic hypotheses remain untested if not even untestable. The same holds true for so many branches of animal ecology that it seems to be the complexity of the concepts that frustrates efforts rather than the subject species. Like all branches of science, small mammal ecology has been subject to a series of fashionable approaches, one following another as tech nology penetrates previously impregnable regions. Doubtless the future development of our science will be punctuated by wave upon wave of new endeavour in whole fields that are perhaps even yet unidentified. Answers to the complex questions which ecologists ask do not come easily. Increasingly though, they arise in direct proportion to the efforts expended upon their elucidation. Many studies have achieved such a high level of elegance, in terms of manpower and apparatus, that there is a feeling that questions asked when such resources are unavailable are not worth asking. Nothing could be further from the truth. Many a complex model has failed fully to explain the phenomenon for which it was construc ted because of a lack of basic field data on the species' natural h~story.
Author:
Publisher:
ISBN:
Category : Ecology
Languages : en
Pages : 700
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Book Description
Author: D. Johan Kotze
Publisher: PenSoft Publishers LTD
ISBN: 9546425907
Category : Science
Languages : en
Pages : 589
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Book Description
This book, dedicated to Konjev Desender and Jean-Pierre Maelfait, is made up of a collection of 30 papers presented at the XIV European Carabidologists? Meeting in Westerbork, the Netherlands (September, 2009). Seventy-five specialists from 20 countries of Europe and Asia attended the meeting. Traditionally, the proceedings volumes of the European Carabidologists Meeting have become important milestones outlining the latest trends and achievements in carabidology.ÿThe aim of the organisers was to invite specialists from different countries and scientific schools to present both traditional and innovative approaches and methods in studying ground beetles. This volume includes a wide range of topics, from the description of new species, taxonomy, a summary of the activities of carabidologists during the last 40 years, biogeographical issues, methodology, behaviour, indicators, environmental issues and conservation. The book will be of use to carabidologists, specialists in traditional and molecular systematics, general and applied ecology, conservation biology, bioindication, urban ecology and biogeography.
Author: F. B. Golley
Publisher: Cambridge University Press
ISBN: 0521206014
Category : Science
Languages : en
Pages : 482
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Book Description
This volume, first published in 1975, looks at small mammal populations with emphasis being placed on their ecology and energy dynamics. It discusses the most productive research techniques and research objectives. The second part of the book deals with the roles of small mammals in ecosystems.
Author: S. Halle
Publisher: Springer
ISBN: 364218264X
Category : Science
Languages : en
Pages : 331
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Book Description
Environmental conditions change considerably in the course of 24 h with respect to abiotic factors and intra- and interspecific interactions. These changes result in limited time windows of opportunity for animal activities and, hence, the question of when to do what is subject to fitness maximisation. This volume gives a current overview of theoretical considerations and empirical findings of activity patterns in small mammals, a group in which the energetic and ecological constraints are particularly severe and the diversity of activity patterns is particularly high. Following a comparative ecological approach, for the first time activity timing is consequently treated in terms of behavioural and evolutionary ecology, providing the conceptual framework for chronoecology as a new subdiscipline within behavioural ecology. An extensive Appendix gives an introduction to methods of activity modelling and to tools for statistical pattern analysis.
Author: R. Busnel
Publisher: Springer Science & Business Media
ISBN: 1468472542
Category : Science
Languages : en
Pages : 1097
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Book Description
Thirteen years have gone by since the first international meet ing on Animal Sonar Systems was held in Frascati, Italy, in 1966. Since that time, almost 900 papers have been published on its theme. The first symposium was vital as it was the starting point for new research lines whose goal was to design and develop technological systems with properties approaching optimal biological systems. There have been highly significant developments since then in all domains related to biological sonar systems and in their appli cations to the engineering field. The time had therefore come for a multidisciplinary integration of the information gathered, not only on the evolution of systems used in animal echolocation, but on systems theory, behavior and neurobiology, signal-to-noise ratio, masking, signal processing, and measures observed in certain species against animal sonar systems. Modern electronics technology and systems theory which have been developed only since 1974 now allow designing sophisticated sonar and radar systems applying principles derived from biological systems. At the time of the Frascati meeting, integrated circuits and technol ogies exploiting computer science were not well enough developed to yield advantages now possible through use of real-time analysis, leading to, among other things, a definition of target temporal char acteristics, as biological sonar systems are able to do. All of these new technical developments necessitate close co operation between engineers and biologists within the framework of new experiments which have been designed, particularly in the past five years.
Author:
Publisher:
ISBN:
Category : Wildlife conservation
Languages : en
Pages : 100
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Book Description
