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Author: Kazimierz Petrusewicz
Publisher:
ISBN:
Category : Bioenergetics
Languages : en
Pages : 310
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Author: Kazimierz Petrusewicz
Publisher:
ISBN:
Category : Bioenergetics
Languages : en
Pages : 310
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Book Description
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: 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 : Wildlife conservation
Languages : en
Pages : 836
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Author: W.H. van Dobben
Publisher: Springer Science & Business Media
ISBN: 9401019541
Category : Science
Languages : en
Pages : 297
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Book Description
The complexity of ecosystems forms perhaps the greatest challenge for natural science. Even the first step to comprehensive analysis, namely a survey of the participating species, often forms a major obstacle. This makes it understandable that ecologists try to abstract general principles from the interrelationships of the multitude of species for use in their efforts to investigate ecosystem dynamics. Such 'unifying concepts' were the main theme of the 'First International Congress of Ecology' organized in The Hague in September 1974 by the International Association of Ecology (INTECOL), under the auspices of the Division of Environmental Biology of the International Union of Biological Sciences (IUBS). This book contains the papers presented at the plenary sessions of the Congress and a summary of the discussions engendered by them. At the Congress over 800 ecologists from many countries, representing diverse disciplines such as limnology, botany, zoology, microbiology, agriculture, met together for a week. The study of ecosystem dynamics depends on mutual understanding and close cooperation, and to stimulate an integrated approach a number of main speakers were invited to contribute papers on notions such as energy flow, productivity, diversity, stability and maturity from different points of view. These invited papers were presented at the morning plenary sessions, followed by discussions.
Author: M.J. Delany
Publisher: Springer Science & Business Media
ISBN: 9401572747
Category : Science
Languages : en
Pages : 137
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Author:
Publisher: Academic Press
ISBN: 0080566928
Category : Technology & Engineering
Languages : en
Pages : 433
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Book Description
Advances in Ecological Research
Author: H. Lieth
Publisher: Springer Science & Business Media
ISBN: 364251863X
Category : Science
Languages : en
Pages : 443
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Book Description
The pulse of life with the seasons is a classic theme of biology, equally cap turing every man's curiosity about early and late milestones of every year's cycle and the critical physiologist's inquiry into life's subtle signals and responses. Natural historians of ancient and renaissance time as well as today have charted the commonsense facts behind inspired traditions of poetry and practical rules for growing food and fiber. This volume brings together several ways of organizing the basic principles of phenology. These find order in the otherwise overwhelming mass of detail that captures our fleeting attention, like the daily newspaper, and then tends to fade into the overstuffed archives of history. Is this order so obvious and understandable that there is no longer any scien tific challenge to "phenology" as a tradition? Or does apparent simplicity mask a complex and ultimately baffling obstacle to the understanding of seasonality in even those few indicator plants and animals we know best, not to men tion the less known species or races making up the rest of each major land scape unit or ecosystem? Denying both these hasty opinions, we think that this volume well illustrates a range of questions and answers-from soundly established (but not trivial) doctrine to exciting inquiry about how ecosystems are organized.
Author: E. Gus Cothran
Publisher:
ISBN:
Category : Mammals
Languages : en
Pages : 208
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Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 364
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