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Author: Gandhimohan. M. Viswanathan
Publisher: Cambridge University Press
ISBN: 1139497553
Category : Science
Languages : en
Pages : 179
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Book Description
Do the movements of animals, including humans, follow patterns that can be described quantitatively by simple laws of motion? If so, then why? These questions have attracted the attention of scientists in many disciplines, and stimulated debates ranging from ecological matters to queries such as 'how can there be free will if one follows a law of motion?' This is the first book on this rapidly evolving subject, introducing random searches and foraging in a way that can be understood by readers without a previous background on the subject. It reviews theory as well as experiment, addresses open problems and perspectives, and discusses applications ranging from the colonization of Madagascar by Austronesians to the diffusion of genetically modified crops. The book will interest physicists working in the field of anomalous diffusion and movement ecology as well as ecologists already familiar with the concepts and methods of statistical physics.
Author: Gandhimohan. M. Viswanathan
Publisher: Cambridge University Press
ISBN: 1139497553
Category : Science
Languages : en
Pages : 179
Get Book Here
Book Description
Do the movements of animals, including humans, follow patterns that can be described quantitatively by simple laws of motion? If so, then why? These questions have attracted the attention of scientists in many disciplines, and stimulated debates ranging from ecological matters to queries such as 'how can there be free will if one follows a law of motion?' This is the first book on this rapidly evolving subject, introducing random searches and foraging in a way that can be understood by readers without a previous background on the subject. It reviews theory as well as experiment, addresses open problems and perspectives, and discusses applications ranging from the colonization of Madagascar by Austronesians to the diffusion of genetically modified crops. The book will interest physicists working in the field of anomalous diffusion and movement ecology as well as ecologists already familiar with the concepts and methods of statistical physics.
Author: W.J. Bell
Publisher: Springer Science & Business Media
ISBN: 9401130981
Category : Science
Languages : en
Pages : 353
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Book Description
This is a book about proximate mechanisms. Although some theoreti cal structure is used to introduce the subject, the intent is to offer a comprehensive view of the mechanistic side of searching (or foraging) so as to balance the current emphasis of books on mathematical and functional models. It seems to me that the pendulum needs to swing back to studies of how animals behave, and that maybe in so doing models will become valuable again in driving experimentation. I have probably included too many examples in this book, and some are even presented in great detail. Hopefully, they provide a complete picture of the kind of animals used, the experimental setup, the kinds of data yielded, and how the data were analysed. I have done this in response to frustrating experiences of reading chapters in behavioural ecobgy books that provide insufficient information with which to evaluate an author's conclusion.
Author: Robert Denno
Publisher: Elsevier
ISBN: 0323142877
Category : Science
Languages : en
Pages : 735
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Book Description
Variable Plants and Herbivores in Natural and Managed Systems examines individual, population, species, and community responses of herbivores to plant variation, with emphasis on insects, fungi, bacteria, and viruses. It is divided into five parts encompassing 18 chapters that discuss variability as a mechanism of defense used by plants against their parasites and the effects of variability on herbivores at several different levels of complexity. After a brief discussion on plant-herbivore interactions, the first part of this book considers sources of within-plant variation and effects on the distribution and abundance of herbivores. Part II examines interplant variation, the co-evolutionary problems it poses for herbivores, and the ecological and evolutionary responses of these animals. It discusses the effects of host-plant variability on the fitness of sedentary herbivorous insects. Part III discusses the role of host variability in the evolution of feeding specialization, genetic differentiation, and race formation. The importance of host variation to the organization of herbivore communities and the manipulation of host-plant variability for the management of herbivore pest populations are presented in the remaining parts. This book will be helpful to agriculturists, silviculturists, biologists, and researchers who wish to expand their knowledge in dynamics of plant-herbivore relationships.
Author: David W. Stephens
Publisher: University of Chicago Press
ISBN: 0226772659
Category : Science
Languages : en
Pages : 626
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Book Description
Foraging is fundamental to animal survival and reproduction, yet it is much more than a simple matter of finding food; it is a biological imperative. Animals must find and consume resources to succeed, and they make extraordinary efforts to do so. For instance, pythons rarely eat, but when they do, their meals are large—as much as 60 percent larger than their own bodies. The snake’s digestive system is normally dormant, but during digestion metabolic rates can increase fortyfold. A python digesting quietly on the forest floor has the metabolic rate of thoroughbred in a dead heat. This and related foraging processes have broad applications in ecology, cognitive science, anthropology, and conservation biology—and they can be further extrapolated in economics, neurobiology, and computer science. Foraging is the first comprehensive review of the topic in more than twenty years. A monumental undertaking, this volume brings together twenty-two experts from throughout the field to offer the latest on the mechanics of foraging, modern foraging theory, and foraging ecology. The fourteen essays cover all the relevant issues, including cognition, individual behavior, caching behavior, parental behavior, antipredator behavior, social behavior, population and community ecology, herbivory, and conservation. Considering a wide range of taxa, from birds to mammals to amphibians, Foraging will be the definitive guide to the field.
Author: A.C. Kamil
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 700
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Book Description
Foraging behavior has always been a central concern of ecology. Understanding what animals eat is clearly an essential component of under standing many ecological issues including energy flow, competition and adaptation. Theoretical and empirical developments in the late 1960's and 1970's led to a new emphasis in the study of foraging behavior, the study of individual animals in both field and laboratory. This development, in turn, led to an explosion of interest in foraging. Part of the reason for this explosion is that when foraging is studied at the individual level, it is relevant to many disciplines. Behaviorists, including ethologists and psychologists, are interested in any attempt to understand behavior. Ecologists know that a better understanding of foraging will contribute to resolving a number of important ecological issues. Anthropologists and others are applying the ideas coming out of the study of foraging behavior to problems within their disciplines. These developments led to a multidisciplinary symposium on foraging behavior, held as part of the 1978 Animal Behavior Society meetings in Seattle, Washington. Many ecologists, ethologists and psychologists participated or attended. The symposium was very successful. generating a high level of excitement. As a result, the participants decided to publish the proceedings of the symposium (Kami1 & Sargent 1981).
Author: Luc-Alain Giraldeau
Publisher: Princeton University Press
ISBN: 0691188343
Category : Science
Languages : en
Pages : 379
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Book Description
Although there is extensive literature in the field of behavioral ecology that attempts to explain foraging of individuals, social foraging--the ways in which animals search and compete for food in groups--has been relatively neglected. This book redresses that situation by providing both a synthesis of the existing literature and a new theory of social foraging. Giraldeau and Caraco develop models informed by game theory that offer a new framework for analysis. Social Foraging Theory contains the most comprehensive theoretical approach to its subject, coupled with quantitative methods that will underpin future work in the field. The new models and approaches that are outlined here will encourage new research directions and applications. To date, the analysis of social foraging has lacked unifying themes, clear recognition of the problems inherent in the study of social foraging, and consistent interaction between theory and experiments. This book identifies social foraging as an economic interaction between the actions of individuals and those of other foragers. This interdependence raises complex questions about the size of foraging groups, the diversity of resources used, and the propensity of group members to exploit each other or forage cooperatively. The models developed in the book will allow researchers to test their own approaches and predictions. Many years in development, Social Foraging Theory will interest researchers and graduate students in such areas as behavioral ecology, population ecology, evolutionary biology, and wildlife management.
Author: Peter Pirolli
Publisher: Oxford University Press
ISBN: 0195387791
Category : Psychology
Languages : en
Pages : 221
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Book Description
Peter Pirolli covers information foraging theory (IFT), a theory in adaptive information interaction. IFT analyses what people do to make sense of the huge amount of information available on the Internet and how they navigate it.
Author: Gina Rae La Cerva
Publisher: Greystone Books Ltd
ISBN: 1771645342
Category : Social Science
Languages : en
Pages : 249
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Book Description
A New York Times Book Review Summer Reading Selection “Delves into not only what we eat around the world, but what we once ate and what we have lost since then.”—The New York Times Book Review Two centuries ago, nearly half the North American diet was foraged, hunted, or caught in the wild. Today, so-called “wild foods” are becoming expensive luxuries, served to the wealthy in top restaurants. Meanwhile, people who depend on wild foods for survival and sustenance find their lives forever changed as new markets and roads invade the world’s last untamed landscapes. In Feasting Wild, geographer and anthropologist Gina Rae La Cerva embarks on a global culinary adventure to trace our relationship to wild foods. Throughout her travels, La Cerva reflects on how colonialism and the extinction crisis have impacted wild spaces, and reveals what we sacrifice when we domesticate our foods —including biodiversity, Indigenous and women’s knowledge, a vital connection to nature, and delicious flavors. In the Democratic Republic of the Congo, La Cerva investigates the violent “bush meat” trade, tracking elicit delicacies from the rainforests of the Congo Basin to the dinner tables of Europe. In a Danish cemetery, she forages for wild onions with the esteemed staff of Noma. In Sweden––after saying goodbye to a man known only as The Hunter––La Cerva smuggles freshly-caught game meat home to New York in her suitcase, for a feast of “heartbreak moose.” Thoughtful, ambitious, and wide-ranging, Feasting Wild challenges us to take a closer look at the way we eat today, and introduces an exciting new voice in food journalism. “A memorable, genre-defying work that blends anthropology and adventure.”—Elizabeth Kolbert, New York Times-bestselling author of The Sixth Extinction “A food book with a truly original take.”—Mark Kurlansky, New York Times bestselling author of Salt: A World History “An intense and illuminating travelogue... offer[ing] a corrective to the patriarchal white gaze promoted by globetrotting eaters like Anthony Bourdain and Andrew Zimmern. La Cerva combines environmental history with feminist memoir to craft a narrative that's more in tune with recent works by Robin Wall Kimmerer, Helen Macdonald and Elizabeth Rush.”—The Wall Street Journal
Author: A. C. Kamil
Publisher:
ISBN: 9781461318408
Category :
Languages : en
Pages : 688
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Book Description
Author: Walter Zucchini
Publisher: CRC Press
ISBN: 1482253844
Category : Mathematics
Languages : en
Pages : 399
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Book Description
Hidden Markov Models for Time Series: An Introduction Using R, Second Edition illustrates the great flexibility of hidden Markov models (HMMs) as general-purpose models for time series data. The book provides a broad understanding of the models and their uses. After presenting the basic model formulation, the book covers estimation, forecasting, decoding, prediction, model selection, and Bayesian inference for HMMs. Through examples and applications, the authors describe how to extend and generalize the basic model so that it can be applied in a rich variety of situations. The book demonstrates how HMMs can be applied to a wide range of types of time series: continuous-valued, circular, multivariate, binary, bounded and unbounded counts, and categorical observations. It also discusses how to employ the freely available computing environment R to carry out the computations. Features Presents an accessible overview of HMMs Explores a variety of applications in ecology, finance, epidemiology, climatology, and sociology Includes numerous theoretical and programming exercises Provides most of the analysed data sets online New to the second edition A total of five chapters on extensions, including HMMs for longitudinal data, hidden semi-Markov models and models with continuous-valued state process New case studies on animal movement, rainfall occurrence and capture-recapture data
