Community Food Webs

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Community Food Webs

Author : Joel E. Cohen
Publisher : Springer Science & Business Media
ISBN 13 : 3642837840
Total Pages : 318 pages
Book Rating : 4.6/5 (428 download)

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Book Synopsis Community Food Webs by : Joel E. Cohen

Download or read book Community Food Webs written by Joel E. Cohen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Food webs hold a central place in ecology. They describe which organisms feed on which others in natural habitats. This book describes recently discovered empirical regularities in real food webs: it proposes a novel theory unifying many of these regularities, as well as extensive empirical data. After a general introduction, reviewing the empirical and theoretical discoveries about food webs, the second portion of the book shows that community food webs obey several striking phenomenological regularities. Some of these unify, regardless of habitat. Others differentiate, showing that habitat significantly influences structure. The third portion of the book presents a theoretical analysis of some of the unifying empirical regularities. The fourth portion of the book presents 113 community food webs. Collected from scattered sources and carefully edited, they are the empirical basis for the results in the volume. The largest available set of data on community food webs provides a valuable foundation for future studies of community food webs. The book is intended for graduate students, teachers and researchers primarily in ecology. The theoretical portions of the book provide materials useful to teachers of applied combinatorics, in particular, random graphs. Researchers in random graphs will find here unsolved mathematical problems.

Building Community Food Webs

Author : Ken Meter
Publisher : Island Press
ISBN 13 : 1642831476
Total Pages : 306 pages
Book Rating : 4.6/5 (428 download)

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Book Synopsis Building Community Food Webs by : Ken Meter

Download or read book Building Community Food Webs written by Ken Meter and published by Island Press. This book was released on 2021-04-29 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our current food system has decimated rural communities and confined the choices of urban consumers. Even while America continues to ramp up farm production to astounding levels, net farm income is now lower than at the onset of the Great Depression, and one out of every eight Americans faces hunger. But a healthier and more equitable food system is possible. In Building Community Food Webs, Ken Meter shows how grassroots food and farming leaders across the U.S. are tackling these challenges by constructing civic networks. Overturning extractive economic structures, these inspired leaders are engaging low-income residents, farmers, and local organizations in their quest to build stronger communities. Community food webs strive to build health, wealth, capacity, and connection. Their essential element is building greater respect and mutual trust, so community members can more effectively empower themselves and address local challenges. Farmers and researchers may convene to improve farming practices collaboratively. Health clinics help clients grow food for themselves and attain better health. Food banks engage their customers to challenge the root causes of poverty. Municipalities invest large sums to protect farmland from development. Developers forge links among local businesses to strengthen economic trade. Leaders in communities marginalized by our current food system are charting a new path forward. Building Community Food Webs captures the essence of these efforts, underway in diverse places including Montana, Hawai‘i, Vermont, Arizona, Colorado, Indiana, and Minnesota. Addressing challenges as well as opportunities, Meter offers pragmatic insights for community food leaders and other grassroots activists alike.

Community Food Webs

Author : JOEL COHEN
Publisher : Springer
ISBN 13 : 9783540511298
Total Pages : 308 pages
Book Rating : 4.5/5 (112 download)

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Book Synopsis Community Food Webs by : JOEL COHEN

Download or read book Community Food Webs written by JOEL COHEN and published by Springer. This book was released on 1990-04-30 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Food webs hold a central place in ecology. They describe which organisms feed on which others in natural habitats. This book describes recently discovered empirical regularities in real food webs: it proposes a novel theory unifying many of these regularities, as well as extensive empirical data. After a general introduction, reviewing the empirical and theoretical discoveries about food webs, the second portion of the book shows that community food webs obey several striking phenomenological regularities. Some of these unify, regardless of habitat. Others differentiate, showing that habitat significantly influences structure. The third portion of the book presents a theoretical analysis of some of the unifying empirical regularities. The fourth portion of the book presents 13 community food webs. Collected from scattered sources and carefully edited, they are the empirical basis for the results in the volume. The largest available set of data on community food webs provides a valuable foundation for future studies of community food webs. The book is intended for graduate students, teachers and researchers primarily in ecology. The theoretical portions of the book provide materials useful to teachers of applied combinatorics, in particular, random graphs. Researchers in random graphs will find here unsolved mathematical problems.

Dynamic Food Webs

Author : Peter C de Ruiter
Publisher : Elsevier
ISBN 13 : 9780080460949
Total Pages : 608 pages
Book Rating : 4.4/5 (69 download)

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Book Synopsis Dynamic Food Webs by : Peter C de Ruiter

Download or read book Dynamic Food Webs written by Peter C de Ruiter and published by Elsevier. This book was released on 2005-12-20 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dynamic Food Webs challenges us to rethink what factors may determine ecological and evolutionary pathways of food web development. It touches upon the intriguing idea that trophic interactions drive patterns and dynamics at different levels of biological organization: dynamics in species composition, dynamics in population life-history parameters and abundances, and dynamics in individual growth, size and behavior. These dynamics are shown to be strongly interrelated governing food web structure and stability and the role of populations and communities play in ecosystem functioning. Dynamic Food Webs not only offers over 100 illustrations, but also contains 8 riveting sections devoted to an understanding of how to manage the effects of environmental change, the protection of biological diversity and the sustainable use of natural resources. Dynamic Food Webs is a volume in the Theoretical Ecology series. Relates dynamics on different levels of biological organization: individuals, populations, and communities Deals with empirical and theoretical approaches Discusses the role of community food webs in ecosystem functioning Proposes methods to assess the effects of environmental change on the structure of biological communities and ecosystem functioning Offers an analyses of the relationship between complexity and stability in food webs

Aquatic Food Webs

Author : Andrea Belgrano
Publisher : Oxford University Press
ISBN 13 : 019856483X
Total Pages : 273 pages
Book Rating : 4.1/5 (985 download)

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Book Synopsis Aquatic Food Webs by : Andrea Belgrano

Download or read book Aquatic Food Webs written by Andrea Belgrano and published by Oxford University Press. This book was released on 2005-04-07 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'Aquatic Food Webs' provides a current synthesis of theoretical and empirical food web research. The textbook is suitable for graduate level students as well as professional researchers in community, ecosystem, and theoretical ecology, in aquatic ecology, and in conservation biology.

Food Webs and Biodiversity

Author : Axel G. Rossberg
Publisher : John Wiley & Sons
ISBN 13 : 1118502175
Total Pages : 400 pages
Book Rating : 4.1/5 (185 download)

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Book Synopsis Food Webs and Biodiversity by : Axel G. Rossberg

Download or read book Food Webs and Biodiversity written by Axel G. Rossberg and published by John Wiley & Sons. This book was released on 2013-06-03 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Food webs have now been addressed in empirical and theoretical research for more than 50 years. Yet, even elementary foundational issues are still hotly debated. One difficulty is that a multitude of processes need to be taken into account to understand the patterns found empirically in the structure of food webs and communities. Food Webs and Biodiversity develops a fresh, comprehensive perspective on food webs. Mechanistic explanations for several known macroecological patterns are derived from a few fundamental concepts, which are quantitatively linked to field-observables. An argument is developed that food webs will often be the key to understanding patterns of biodiversity at community level. Key Features: Predicts generic characteristics of ecological communities in invasion-extirpation equilibrium. Generalizes the theory of competition to food webs with arbitrary topologies. Presents a new, testable quantitative theory for the mechanisms determining species richness in food webs, and other new results. Written by an internationally respected expert in the field. With global warming and other pressures on ecosystems rising, understanding and protecting biodiversity is a cause of international concern. This highly topical book will be of interest to a wide ranging audience, including not only graduate students and practitioners in community and conservation ecology but also the complex-systems research community as well as mathematicians and physicists interested in the theory of networks. "This is a comprehensive work outlining a large array of very novel and potentially game-changing ideas in food web ecology." —Ken Haste Andersen, Technical University of Denmark "I believe that this will be a landmark book in community ecology … it presents a well-established and consistent mathematical theory of food-webs. It is testable in many ways and the author finds remarkable agreements between predictions and reality." —Géza Meszéna, Eötvös University, Budapest

Energetic Food Webs

Author : John C. Moore
Publisher : Oxford University Press
ISBN 13 : 0198566182
Total Pages : 344 pages
Book Rating : 4.1/5 (985 download)

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Book Synopsis Energetic Food Webs by : John C. Moore

Download or read book Energetic Food Webs written by John C. Moore and published by Oxford University Press. This book was released on 2012-05-31 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Food webs are viewed as open and dynamic systems.

Food Webs

Author : Gary A. Polis
Publisher : Springer Science & Business Media
ISBN 13 : 1461570077
Total Pages : 475 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Food Webs by : Gary A. Polis

Download or read book Food Webs written by Gary A. Polis and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reflecting the recent surge of activity in food web research fueled by new empirical data, this authoritative volume successfully spans and integrates the areas of theory, basic empirical research, applications, and resource problems. Written by recognized leaders from various branches of ecological research, this work provides an in-depth treatment of the most recent advances in the field and examines the complexity and variability of food webs through reviews, new research, and syntheses of the major issues in food web research. Food Webs features material on the role of nutrients, detritus and microbes in food webs, indirect effects in food webs, the interaction of productivity and consumption, linking cause and effect in food webs, temporal and spatial scales of food web dynamics, applications of food webs to pest management, fisheries, and ecosystem stress. Three comprehensive chapters synthesize important information on the role of indirect effects, productivity and consumer regulation, and temporal, spatial and life history influences on food webs. In addition, numerous tables, figures, and mathematical equations found nowhere else in related literature are presented in this outstanding work. Food Webs offers researchers and graduate students in various branches of ecology an extensive examination of the subject. Ecologists interested in food webs or community ecology will also find this book an invaluable tool for understanding the current state of knowledge of food web research.

Community Ecology

Author : Peter J. Morin
Publisher : John Wiley & Sons
ISBN 13 : 1444341944
Total Pages : 731 pages
Book Rating : 4.4/5 (443 download)

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Book Synopsis Community Ecology by : Peter J. Morin

Download or read book Community Ecology written by Peter J. Morin and published by John Wiley & Sons. This book was released on 2011-06-09 with total page 731 pages. Available in PDF, EPUB and Kindle. Book excerpt: All life on earth occurs in natural assemblages called communities. Community ecology is the study of patterns and processes involving these collections of two or more species. Communities are typically studied using a diversity of techniques, including observations of natural history, statistical descriptions of natural patterns, laboratory and field experiments, and mathematical modelling. Community patterns arise from a complex assortment of processes including competition, predation, mutualism, indirect effects, habitat selection, which result in the most complex biological entities on earth – including iconic systems such as rain forests and coral reefs. This book introduces the reader to a balanced coverage of concepts and theories central to community ecology, using examples drawn from terrestrial, freshwater, and marine systems, and focusing on animal, plant, and microbial species. The historical development of key concepts is described using descriptions of classic studies, while examples of exciting new developments in recent studies are used to point toward future advances in our understanding of community organization. Throughout, there is an emphasis on the crucial interplay between observations, experiments, and mathematical models. This second updated edition is a valuable resource for advanced undergraduates, graduate students, and established scientists who seek a broad overview of community ecology. The book has developed from a course in community ecology that has been taught by the author since 1983. Figures and tables can be downloaded for free from www.wiley.com/go/morin/communityecology

Community Ecology

Author : Herman A. Verhoef
Publisher : Oxford University Press
ISBN 13 : 0199228973
Total Pages : 266 pages
Book Rating : 4.1/5 (992 download)

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Book Synopsis Community Ecology by : Herman A. Verhoef

Download or read book Community Ecology written by Herman A. Verhoef and published by Oxford University Press. This book was released on 2010 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an up-to-date study of patterns and processes involving two or more species. The book strikes a balance between plant and animal species and among studies of marine, freshwater and terrestrial communities.

Food Webs (MPB-50)

Author : Kevin S. McCann
Publisher : Princeton University Press
ISBN 13 : 0691134189
Total Pages : 255 pages
Book Rating : 4.6/5 (911 download)

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Book Synopsis Food Webs (MPB-50) by : Kevin S. McCann

Download or read book Food Webs (MPB-50) written by Kevin S. McCann and published by Princeton University Press. This book was released on 2012 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book synthesizes and reconciles modern and classical perspectives into a general unified theory.

Community Ecology

Author : Rory Putman
Publisher : Springer Science & Business Media
ISBN 13 : 9780412545009
Total Pages : 196 pages
Book Rating : 4.5/5 (45 download)

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Book Synopsis Community Ecology by : Rory Putman

Download or read book Community Ecology written by Rory Putman and published by Springer Science & Business Media. This book was released on 1994 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Chapter 1 establishes the context of such a search for pattern, presenting essential definitions and exploring early work on community structure and organization. The various biotic and abiotic factors which may influence communities and their dynamics are reviewed in Chapter 2, while the way in which the interrelationships between organisms are structured within the community in food webs or in the partitioning of available resources are considered in separate chapters on food webs, niche relationships and species guilds. Later chapters explore the factors determining the assembly of communities, species composition and pattern of relative abundance and the relative roles of deterministic and stochastic processes in determining community structure. The concluding section explores the implications of observed patterns of structure and organization for stability. The mathematical analyses which are an essential component of this topic are included only where essential for understanding and are presented in special box features. Each mathematical section has been carefully structured and fully explained in biological terms. Community Ecology presents a refreshingly readable course text for advanced undergraduates in ecology."--BOOK JACKET.

Perspectives in Ecological Theory

Author : Jonathan Roughgarden
Publisher : Princeton University Press
ISBN 13 : 1400860180
Total Pages : 403 pages
Book Rating : 4.4/5 (8 download)

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Book Synopsis Perspectives in Ecological Theory by : Jonathan Roughgarden

Download or read book Perspectives in Ecological Theory written by Jonathan Roughgarden and published by Princeton University Press. This book was released on 2014-07-14 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents an overview of current accomplishments and future directions in ecological theory. The twenty-three chapters cover a broad range of important topics, from the physiology and behavior of individuals or groups of organisms, through population dynamics and community structure, to the ecology of ecosystems and the geochemical cycles of the entire biosphere. The authors focus on ways in which theory, whether expressed mathematically or verbally, can contribute to defining and solving fundamental problems in ecology. A second aim is to highlight areas where dialogue between theorists and empiricists is likely to be especially rewarding. The authors are R. M. Anderson, C. W. Clark, M. L. Cody, J. E. Cohen, P. R. Ehrlich, M. W. Feldman, M. E. Gilpin, L. J. Gross, M. P. Hassell, H. S. Horn, P. Kareiva, M.A.R. Koehl, S. A. Levin, R. M. May, L. D. Mueller, R. V. O'Neill, S. W. Pacala, S. L. Pimm, T. M. Powell, H. R. Pulliam, J. Roughgarden, W. H. Schlesinger, H. H. Shugart, S. M. Stanley, J. H. Steele, D. Tilman, J. Travis, and D. L. Urban. Originally published in 1989. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

Graph Theory and Its Applications to Problems of Society

Author : Fred S. Roberts
Publisher : SIAM
ISBN 13 : 089871026X
Total Pages : 123 pages
Book Rating : 4.8/5 (987 download)

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Book Synopsis Graph Theory and Its Applications to Problems of Society by : Fred S. Roberts

Download or read book Graph Theory and Its Applications to Problems of Society written by Fred S. Roberts and published by SIAM. This book was released on 1978-01-01 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores modern topics in graph theory and its applications to problems in transportation, genetics, pollution, perturbed ecosystems, urban services, and social inequalities. The author presents both traditional and relatively atypical graph-theoretical topics to best illustrate applications.

Biodiversity and Ecosystem Functioning

Author : Michel Loreau
Publisher : Oxford University Press, USA
ISBN 13 : 9780198515715
Total Pages : 316 pages
Book Rating : 4.5/5 (157 download)

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Book Synopsis Biodiversity and Ecosystem Functioning by : Michel Loreau

Download or read book Biodiversity and Ecosystem Functioning written by Michel Loreau and published by Oxford University Press, USA. This book was released on 2002 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increasing domination of ecosystems by humans is steadily transforming them into depauperate systems. How will this loss of biodiversity affect the functioning and stability of natural and managed ecosystems? This work provides comprehensive coverage of empirical and theoretical research.

Encyclopedia of Geography

Author : Barney Warf
Publisher : SAGE Publications
ISBN 13 : 1452265178
Total Pages : 3560 pages
Book Rating : 4.4/5 (522 download)

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Book Synopsis Encyclopedia of Geography by : Barney Warf

Download or read book Encyclopedia of Geography written by Barney Warf and published by SAGE Publications. This book was released on 2010-09-21 with total page 3560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Simply stated, geography studies the locations of things and the explanations that underlie spatial distributions. Profound forces at work throughout the world have made geographical knowledge increasingly important for understanding numerous human dilemmas and our capacities to address them. With more than 1,200 entries, the Encyclopedia of Geography reflects how the growth of geography has propelled a demand for intermediaries between the abstract language of academia and the ordinary language of everyday life. The six volumes of this encyclopedia encapsulate a diverse array of topics to offer a comprehensive and useful summary of the state of the discipline in the early 21st century. Key Features Gives a concise historical sketch of geography's long, rich, and fascinating history, including human geography, physical geography, and GIS Provides succinct summaries of trends such as globalization, environmental destruction, new geospatial technologies, and cyberspace Decomposes geography into the six broad subject areas: physical geography; human geography; nature and society; methods, models, and GIS; history of geography; and geographer biographies, geographic organizations, and important social movements Provides hundreds of color illustrations and images that lend depth and realism to the text Includes a special map section Key Themes Physical Geography Human Geography Nature and Society Methods, Models, and GIS People, Organizations, and Movements History of Geography This encyclopedia strategically reflects the enormous diversity of the discipline, the multiple meanings of space itself, and the diverse views of geographers. It brings together the diversity of geographical knowledge, making it an invaluable resource for any academic library.

Combinatorial And Computational Mathematics: Present And Future

Author : Ki Hang Kim
Publisher : World Scientific
ISBN 13 : 9814490687
Total Pages : 286 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Combinatorial And Computational Mathematics: Present And Future by : Ki Hang Kim

Download or read book Combinatorial And Computational Mathematics: Present And Future written by Ki Hang Kim and published by World Scientific. This book was released on 2001-06-19 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes and summarizes past work in important areas of combinatorics and computation, as well as gives directions for researchers working in these areas in the 21st century. It contains primarily survey papers and presents original research by Peter Fishburn, Jim Ho Kwak, Jaeun Lee, K H Kim, F W Roush and Susan Williams. The papers deal with some of the most exciting and promising developments in the areas of coding theory in relation to number theory, lattice theory and its applications, graph theory and its applications, topological techniques in combinatorics, symbolic dynamics and mathematical social science.