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Author : Philipp Fabian Gramlich
Publisher :
Page : pages
File Size : 37,36 MB
Release : 2018
Category :
ISBN :
Author : Joel E. Cohen
Publisher : Springer Science & Business Media
Page : 318 pages
File Size : 49,94 MB
Release : 2012-12-06
Category : Medical
ISBN : 3642837840
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.
Author : Mercedes Pascual
Publisher : Oxford University Press
Page : 422 pages
File Size : 31,43 MB
Release : 2006
Category : Mathematics
ISBN : 9780195188165
Food webs are one of the most useful, and challenging, objects of study in ecology. These networks of predator-prey interactions, conjured in Darwin's image of a "tangled bank," provide a paradigmatic example of complex adaptive systems. This book is based on a February 2004 Santa Fe Institute workshop. Its authors treat the ecology of predator-prey interactions, food web theory, structure and dynamics. The book explores the boundaries of what is known of the relationship between structure and dynamics in ecological networks and will define directions for future developments in this field.
Author : Mark Vellend
Publisher : Princeton University Press
Page : 247 pages
File Size : 23,36 MB
Release : 2016-08-23
Category : Science
ISBN : 1400883792
A plethora of different theories, models, and concepts make up the field of community ecology. Amid this vast body of work, is it possible to build one general theory of ecological communities? What other scientific areas might serve as a guiding framework? As it turns out, the core focus of community ecology—understanding patterns of diversity and composition of biological variants across space and time—is shared by evolutionary biology and its very coherent conceptual framework, population genetics theory. The Theory of Ecological Communities takes this as a starting point to pull together community ecology's various perspectives into a more unified whole. Mark Vellend builds a theory of ecological communities based on four overarching processes: selection among species, drift, dispersal, and speciation. These are analogues of the four central processes in population genetics theory—selection within species, drift, gene flow, and mutation—and together they subsume almost all of the many dozens of more specific models built to describe the dynamics of communities of interacting species. The result is a theory that allows the effects of many low-level processes, such as competition, facilitation, predation, disturbance, stress, succession, colonization, and local extinction to be understood as the underpinnings of high-level processes with widely applicable consequences for ecological communities. Reframing the numerous existing ideas in community ecology, The Theory of Ecological Communities provides a new way for thinking about biological composition and diversity.
Author : Adrian C. Newton
Publisher : Cambridge University Press
Page : 493 pages
File Size : 32,62 MB
Release : 2021-04-22
Category : Nature
ISBN : 1108472737
Examines how ecosystems can collapse as a result of human activity, and the ecological processes underlying their subsequent recovery.
Author : Pablo A. Iglesias
Publisher : MIT Press
Page : 359 pages
File Size : 16,78 MB
Release : 2010
Category : Biological control systems
ISBN : 0262013347
A survey of how engineering techniques from control and systems theory can be used to help biologists understand the behavior of cellular systems.
Author : Alan Garfinkel
Publisher : Springer
Page : 456 pages
File Size : 41,7 MB
Release : 2017-09-06
Category : Mathematics
ISBN : 3319597310
This book develops the mathematical tools essential for students in the life sciences to describe interacting systems and predict their behavior. From predator-prey populations in an ecosystem, to hormone regulation within the body, the natural world abounds in dynamical systems that affect us profoundly. Complex feedback relations and counter-intuitive responses are common in nature; this book develops the quantitative skills needed to explore these interactions. Differential equations are the natural mathematical tool for quantifying change, and are the driving force throughout this book. The use of Euler’s method makes nonlinear examples tractable and accessible to a broad spectrum of early-stage undergraduates, thus providing a practical alternative to the procedural approach of a traditional Calculus curriculum. Tools are developed within numerous, relevant examples, with an emphasis on the construction, evaluation, and interpretation of mathematical models throughout. Encountering these concepts in context, students learn not only quantitative techniques, but how to bridge between biological and mathematical ways of thinking. Examples range broadly, exploring the dynamics of neurons and the immune system, through to population dynamics and the Google PageRank algorithm. Each scenario relies only on an interest in the natural world; no biological expertise is assumed of student or instructor. Building on a single prerequisite of Precalculus, the book suits a two-quarter sequence for first or second year undergraduates, and meets the mathematical requirements of medical school entry. The later material provides opportunities for more advanced students in both mathematics and life sciences to revisit theoretical knowledge in a rich, real-world framework. In all cases, the focus is clear: how does the math help us understand the science?
Author : Peter C de Ruiter
Publisher : Elsevier
Page : 616 pages
File Size : 37,75 MB
Release : 2005-12-20
Category : Science
ISBN : 0080460941
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
Author : Vikas Rai
Publisher : Bentham Science Publishers
Page : 145 pages
File Size : 14,71 MB
Release : 2013-04-25
Category : Nature
ISBN : 160805490X
Spacial Ecology elucidates processes and mechanisms which structure dynamics of real world systems; these include lakes, ponds, forests and rivers. Readers are introduced to contemporary models in ecological literature based on the author’s research experience. The e-book starts by presenting an introduction to basic mechanisms of ecological processes. This is followed by chapters explaining these processes responsible for generating observed spatial patterns in detail. The e-book concludes with a chapter on water quality management and its relevance to the spatial setting in a wetland area. This text in spatial ecology is a welcome resource for readers interested in models, methods and methodologies best suited for the study of advanced ecology courses and topics related to ecosystem structure, function and habitat fragmentation.
Author : Gregory Bateson
Publisher : University of Chicago Press
Page : 572 pages
File Size : 12,5 MB
Release : 2000
Category : Medical
ISBN : 9780226039053
Gregory Bateson was a philosopher, anthropologist, photographer, naturalist, and poet, as well as the husband and collaborator of Margaret Mead. This classic anthology of his major work includes a new Foreword by his daughter, Mary Katherine Bateson. 5 line drawings.