Competition And Coexistence

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Competition and Coexistence

Author : Ulrich Sommer
Publisher : Springer Science & Business Media
ISBN 13 : 3642561667
Total Pages : 232 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Competition and Coexistence by : Ulrich Sommer

Download or read book Competition and Coexistence written by Ulrich Sommer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: The question "Why are there so many species?" has puzzled ecologist for a long time. Initially, an academic question, it has gained practical interest by the recent awareness of global biodiversity loss. Species diversity in local ecosystems has always been discussed in relation to the problem of competi tive exclusion and the apparent contradiction between the competitive exclu sion principle and the overwhelming richness of species found in nature. Competition as a mechanism structuring ecological communities has never been uncontroversial. Not only its importance but even its existence have been debated. On the one extreme, some ecologists have taken competi tion for granted and have used it as an explanation by default if the distribu tion of a species was more restricted than could be explained by physiology and dispersal history. For decades, competition has been a core mechanism behind popular concepts like ecological niche, succession, limiting similarity, and character displacement, among others. For some, competition has almost become synonymous with the Darwinian "struggle for existence", although simple plausibility should tell us that organisms have to struggle against much more than competitors, e.g. predators, parasites, pathogens, and envi ronmental harshness.

Essays in Evolution and Genetics in Honor of Theodosius Dobzhansky

Author : Max K. Hecht
Publisher : Springer Science & Business Media
ISBN 13 : 1461595851
Total Pages : 601 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Essays in Evolution and Genetics in Honor of Theodosius Dobzhansky by : Max K. Hecht

Download or read book Essays in Evolution and Genetics in Honor of Theodosius Dobzhansky written by Max K. Hecht and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is not often that one has the opportunity to send a public birthday greet ing to a friend and colleague of many years, and to congratulate him on having reached the age of reason. In fact it happens only once, and comes then as a surprise. Surely it was only a few years ago that we sat together at an International Genetics Congress in Ithaca, and only yesterday that we became members of the same department. The eighth floor of Schermerhorn Hall had a north end where the flies were and a south end furnished with mice, and in between, a seminar room and laboratory. There the distances were short and the doors open and the coffee pot busy. But it now appears that yesterday has fallen thirty years behind and that we have grown up. I find it interesting and appropriate that Dobzhansky's lifetime spans the period of maturation of the fields to which this volume is devoted. This is true in a chronological sense for his birth occurred in the same year, 1900, in which modern genetics began. The rediscovery of Mendel's princi ples and the interpretation of the nature of heredity and variation to which this event led were necessary prerequisites to the development of evolution ary biology as presented in this collection of essays.

Media Competition and Coexistence

Author : John W. Dimmick
Publisher : Routledge
ISBN 13 : 1135650314
Total Pages : 169 pages
Book Rating : 4.1/5 (356 download)

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Book Synopsis Media Competition and Coexistence by : John W. Dimmick

Download or read book Media Competition and Coexistence written by John W. Dimmick and published by Routledge. This book was released on 2002-12-18 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume considers how media firms, as well as entire industries, exist and persist over time despite what often seems to be intense competition for such resources as audiences and advertisers. Addressing competition within and among media organizations and industries, including broadcasting, cable, and the Internet, author John W. Dimmick studies the media industries through the niche theory lens, developed by bioecologists to explain competition and coexistence. He examines the targets of the different media--audience, advertisers, money--and how they compete, using examples from a variety of studies. Each chapter incorporates relevant economic constructs into the analytic framework. This approach includes the use of economics of scale to explain selection and firm mortality in newspapers and movie theaters; the application of the transaction costs concept to explicate the rise of advertising agencies; the employment of the strategic group concept in analyzing the niche breadth strategy; and the measurement of gratifications-utilities. A comprehensive overview of the determinants of media competition and coexistence, Media Competition and Coexistence: The Theory of the Niche offers unique insights for scholars, students, researchers, and practitioners in media economics, management, and business.

The Princeton Guide to Ecology

Author : Simon A. Levin
Publisher : Princeton University Press
ISBN 13 : 0691156042
Total Pages : 826 pages
Book Rating : 4.6/5 (911 download)

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Book Synopsis The Princeton Guide to Ecology by : Simon A. Levin

Download or read book The Princeton Guide to Ecology written by Simon A. Levin and published by Princeton University Press. This book was released on 2012-09-30 with total page 826 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Princeton Guide to Ecology is a concise, authoritative one-volume reference to the field's major subjects and key concepts. Edited by eminent ecologist Simon Levin, with contributions from an international team of leading ecologists, the book contains more than ninety clear, accurate, and up-to-date articles on the most important topics within seven major areas: autecology, population ecology, communities and ecosystems, landscapes and the biosphere, conservation biology, ecosystem services, and biosphere management. Complete with more than 200 illustrations (including sixteen pages in color), a glossary of key terms, a chronology of milestones in the field, suggestions for further reading on each topic, and an index, this is an essential volume for undergraduate and graduate students, research ecologists, scientists in related fields, policymakers, and anyone else with a serious interest in ecology. Explains key topics in one concise and authoritative volume Features more than ninety articles written by an international team of leading ecologists Contains more than 200 illustrations, including sixteen pages in color Includes glossary, chronology, suggestions for further reading, and index Covers autecology, population ecology, communities and ecosystems, landscapes and the biosphere, conservation biology, ecosystem services, and biosphere management

Population Wars

Author : Greg Graffin
Publisher : Macmillan
ISBN 13 : 1250017629
Total Pages : 319 pages
Book Rating : 4.2/5 (5 download)

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Book Synopsis Population Wars by : Greg Graffin

Download or read book Population Wars written by Greg Graffin and published by Macmillan. This book was released on 2015-09-15 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new perspective on the biological roots of competition from the author of Anarchy Evolution and Cornell lecturer

Oxford Bibliographies

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (949 download)

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Book Synopsis Oxford Bibliographies by :

Download or read book Oxford Bibliographies written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Interspecific Competition in Birds

Author : André A. Dhondt
Publisher : Oxford University Press
ISBN 13 : 0199589011
Total Pages : 295 pages
Book Rating : 4.1/5 (995 download)

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Book Synopsis Interspecific Competition in Birds by : André A. Dhondt

Download or read book Interspecific Competition in Birds written by André A. Dhondt and published by Oxford University Press. This book was released on 2012 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a current, critical review of the importance of interspecific competition, considering the evolutionary effects of interspecific competition, its importance in structuring communities, and influence on the traits of individual species.

Species Coexistence

Author : M. Tokeshi
Publisher : John Wiley & Sons
ISBN 13 : 1444313355
Total Pages : 464 pages
Book Rating : 4.4/5 (443 download)

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Book Synopsis Species Coexistence by : M. Tokeshi

Download or read book Species Coexistence written by M. Tokeshi and published by John Wiley & Sons. This book was released on 2009-06-22 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a novel endeavour in ecological science, this book focuses on amajor issue in organismal life on Earth:species coexistence. Thebook crosses the usual disciplinary boundaries betweenpalaeobiology, ecology and evolutionary biology and provides atimely overview of the patterns and processes of species diversityand coexistence on a range of spatio-temporal scales. In thisunique synthesis, the author offers a critical and penetratingexamination of the concepts and models of coexistence and communitystructure, thus making a valuable contribution to the field ofcommunity ecology. There is an emphasis on clarity andaccessibility without sacrificing scientific rigour, making thisbook suitable for both advanced students and individual researchersin ecology, palaeobiology and environmental and evolutionarybiology. Comprehensive and contemporary synthesis. Pulls together the aggregate influence of evolution and ecologyon patterns in communities. Balanced mix of theory and empirical work. Clearly structured chapters with short introduction andsummary.

Population Biology

Author : H.I. Freedman
Publisher : Springer Science & Business Media
ISBN 13 : 3642878938
Total Pages : 457 pages
Book Rating : 4.6/5 (428 download)

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Book Synopsis Population Biology by : H.I. Freedman

Download or read book Population Biology written by H.I. Freedman and published by Springer Science & Business Media. This book was released on 2013-03-13 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the Proceedings of the International Conference in Population Biology held at The University of Alberta, Edmonton, Canada from June 22 to June 30, 1982. The Conference was sponsored by The University of Alberta and The Canadian Applied Mathematics Society, and overlapped with the summer meeting of CAMS. The main objectives of this Conference were: to bring mathematicians and biologists together so that they may interact for their mutual benefit; to bring those researchers interested in modelling in ecology and those interested in modelling in genetics together; to bring in keynote speakers in the delineated areas; to have sessions of contributed papers; and to present the opportunity for researchers to conduct workshops. With the exception of the last one, the objec tives were carried out. In order to lend some focus to the Conference, the following themes were adopted: models of species growth, predator-prey, competition, mutualism, food webs, dispersion, age structure, stability, evolution of ecological parameters, evolution of behaviour, life history strategies, group and social selection, and evolution of genetic systems. There were speakers (invited and/or contributed papers) in each of these areas. Talks were given on Tuesday, June 22 to Friday, June 25 and on Monday, June 28 to Wednesday, June 30. On each day there were several talks by the principal speakers as well as contributed sessions. Altogether, there were ninety one papers given, of which twelve were by the principal speakers. There were one hundred and twenty-three registered participants from twelve different countries.

Resource Competition and Community Structure

Author : David Tilman
Publisher : Princeton University Press
ISBN 13 : 9780691083025
Total Pages : 312 pages
Book Rating : 4.0/5 (83 download)

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Book Synopsis Resource Competition and Community Structure by : David Tilman

Download or read book Resource Competition and Community Structure written by David Tilman and published by Princeton University Press. This book was released on 1982-08-21 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the central questions of ecology is why there are so many different kinds of plants and animals. Here David Tilman presents a theory of how organisms compete for resources and the way their competition promotes diversity. Developing Hutchinson's suggestion that the main cause of diversity is the feeding relations of species, this book builds a mechanistic, resource-based explanation of the structure and functioning of ecological communities. In a detailed analysis of the Park Grass Experiments at the Rothamsted Experimental Station in England, the author demonstrates that the dramatic results of these 120 years of experimentation are consistent with his theory, as are observations in many other natural communities. The consumer-resource approach of this book is applicable to both animal and plant communities, but the majority of Professor Tilman's discussion concentrates on the structure of plant communities. All theoretical arguments are developed graphically, and formal mathematics is kept to a minimum. The final chapters of the book provide some testable speculations about resources and animal communities and explore such problems as the evolution of "super species," the differences between plant and animal community diversity patterns, and the cause of plant succession.

Applying Graph Theory in Ecological Research

Author : Mark R.T. Dale
Publisher : Cambridge University Press
ISBN 13 : 110708931X
Total Pages : 355 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Applying Graph Theory in Ecological Research by : Mark R.T. Dale

Download or read book Applying Graph Theory in Ecological Research written by Mark R.T. Dale and published by Cambridge University Press. This book was released on 2017-11-09 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book clearly describes the many applications of graph theory to ecological questions, providing instruction and encouragement to researchers.

The Nature of Plant Communities

Author : J. Bastow Wilson
Publisher : Cambridge University Press
ISBN 13 : 110848221X
Total Pages : 373 pages
Book Rating : 4.1/5 (84 download)

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Book Synopsis The Nature of Plant Communities by : J. Bastow Wilson

Download or read book The Nature of Plant Communities written by J. Bastow Wilson and published by Cambridge University Press. This book was released on 2019-03-21 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a comprehensive review of the role of species interactions in the process of plant community assembly.

A Primer of Ecology with R

Author : M. Henry Stevens
Publisher : Springer Science & Business Media
ISBN 13 : 0387898824
Total Pages : 404 pages
Book Rating : 4.3/5 (878 download)

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Book Synopsis A Primer of Ecology with R by : M. Henry Stevens

Download or read book A Primer of Ecology with R written by M. Henry Stevens and published by Springer Science & Business Media. This book was released on 2009-06-02 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides simple explanations of the important concepts in population and community ecology. Provides R code throughout, to illustrate model development and analysis, as well as appendix introducing the R language. Interweaves ecological content and code so that either stands alone. Supplemental web site for additional code.

Spatial Ecology

Author : David Tilman
Publisher : Princeton University Press
ISBN 13 : 069118836X
Total Pages : 368 pages
Book Rating : 4.6/5 (911 download)

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Book Synopsis Spatial Ecology by : David Tilman

Download or read book Spatial Ecology written by David Tilman and published by Princeton University Press. This book was released on 2018-06-05 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spatial Ecology addresses the fundamental effects of space on the dynamics of individual species and on the structure, dynamics, diversity, and stability of multispecies communities. Although the ecological world is unavoidably spatial, there have been few attempts to determine how explicit considerations of space may alter the predictions of ecological models, or what insights it may give into the causes of broad-scale ecological patterns. As this book demonstrates, the spatial structure of a habitat can fundamentally alter both the qualitative and quantitative dynamics and outcomes of ecological processes. Spatial Ecology highlights the importance of space to five topical areas: stability, patterns of diversity, invasions, coexistence, and pattern generation. It illustrates both the diversity of approaches used to study spatial ecology and the underlying similarities of these approaches. Over twenty contributors address issues ranging from the persistence of endangered species, to the maintenance of biodiversity, to the dynamics of hosts and their parasitoids, to disease dynamics, multispecies competition, population genetics, and fundamental processes relevant to all these cases. There have been many recent advances in our understanding of the influence of spatially explicit processes on individual species and on multispecies communities. This book synthesizes these advances, shows the limitations of traditional, non-spatial approaches, and offers a variety of new approaches to spatial ecology that should stimulate ecological research.

Cellular Automata

Author : Giancarlo Mauri
Publisher : Springer
ISBN 13 : 3319998137
Total Pages : 528 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Cellular Automata by : Giancarlo Mauri

Download or read book Cellular Automata written by Giancarlo Mauri and published by Springer. This book was released on 2018-09-03 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the proceedings of the 13th International Conference on Cellular Automata for Research and Industry, ACRI 2018, held in Como, Italy, in September 2018. The 47 full papers presented in this volume were carefully reviewed and selected from 64 submissions. This volume contains invited contributions and accepted papers from the main track and from the three organized workshops. The volume is organized in the following topics: biological systems modeling; simulation and other applications of CA; multi-agent systems; pedestrian and traffic dynamics; synchronization and control; theory and cryptography; asynchronous cellular automata; and crowds, traffic and cellular automata.

Mathematical Ecology

Author : Thomas G. Hallam
Publisher : Springer Science & Business Media
ISBN 13 : 3642698883
Total Pages : 455 pages
Book Rating : 4.6/5 (426 download)

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Book Synopsis Mathematical Ecology by : Thomas G. Hallam

Download or read book Mathematical Ecology written by Thomas G. Hallam and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: There isprobably no more appropriate location to hold a course on mathematical ecology than Italy, the countryofVito Volterra, a founding father ofthe subject. The Trieste 1982Autumn Course on Mathematical Ecology consisted of four weeksofvery concentrated scholasticism and aestheticism. The first weeks were devoted to fundamentals and principles ofmathematicalecology. A nucleusofthe material from the lectures presented during this period constitutes this book. The final week and a half of the Course was apportioned to the Trieste Research Conference on Mathematical Ecology whose proceedings have been published as Volume 54, Lecture Notes in Biomathematics, Springer-Verlag. The objectivesofthe first portionofthe course wereambitious and, probably, unattainable. Basic principles of the areas of physiological, population, com munitY, and ecosystem ecology that have solid ecological and mathematical foundations were to be presented. Classical terminology was to be introduced, important fundamental topics were to be developed, some past and some current problems of interest were to be presented, and directions for possible research were to be provided. Due to time constraints, the coverage could not be encyclopedic;many areas covered already have merited treatises of book length. Consequently, preliminary foundation material was covered in some detail, but subject overviewsand area syntheseswerepresented when research frontiers were being discussed. These lecture notes reflect this course philosophy.

Evolution's Wedge

Author : David Pfennig
Publisher : Univ of California Press
ISBN 13 : 0520954041
Total Pages : 319 pages
Book Rating : 4.5/5 (29 download)

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Book Synopsis Evolution's Wedge by : David Pfennig

Download or read book Evolution's Wedge written by David Pfennig and published by Univ of California Press. This book was released on 2012-10-25 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evolutionary biology has long sought to explain how new traits and new species arise. Darwin maintained that competition is key to understanding this biodiversity and held that selection acting to minimize competition causes competitors to become increasingly different, thereby promoting new traits and new species. Despite Darwin’s emphasis, competition’s role in diversification remains controversial and largely underappreciated. In their synthetic and provocative book, evolutionary ecologists David and Karin Pfennig explore competition's role in generating and maintaining biodiversity. The authors discuss how selection can lessen resource competition or costly reproductive interactions by promoting trait evolution through a process known as character displacement. They further describe character displacement’s underlying genetic and developmental mechanisms. The authors then consider character displacement’s myriad downstream effects, ranging from shaping ecological communities to promoting new traits and new species and even fueling large-scale evolutionary trends. Drawing on numerous studies from natural populations, and written for a broad audience, Evolution’s Wedge seeks to inspire future research into character displacement’s many implications for ecology and evolution.