Download or read book Biological Heritage and Food Chains written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Biological heritage and food chains written by and published by Editions Quae. This book was released on with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Download or read book Food Webs written by S. Pimm and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: Often the meanings of words are changed subtly for interesting reasons. The implication of the word 'community' has changed from including all the organisms in an area to only those species at a particular trophic level (and often a taxonomically restricted group), for example, 'bird-community'. If this observation is correct, its probable cause is the dramatic growth in our knowledge of the ecological patterns along trophic levels (I call these horizontal patterns) and the processes that generate them. This book deals with vertical patterns - those across trophic levels -and tries to compensate for their relative neglect. In cataloging a dozen vertical patterns I hope to convince the reader that species interactions across trophic levels are as patterned as those along trophic levels and demand explanations equally forcefully. But this is not the only objective. A limited number of processes shape the patterns of species interaction; to demonstrate their existence is an essential step in understanding why ecosystems are the way they are. To achieve these aims I must resort to both mathematical techniques to develop theories and statistical techniques to decide between rival hypotheses. The level of mathematics is likely to offend nearly everyone. Some will find any mathematics too much, while others will consider the material to be old, familiar ground and probably explained with a poor regard for rigour and generality.
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.
Download or read book Biodiversity and Food Chains written by Gary Raham and published by Chelsea House. This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 342 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
Download or read book Food Webs and Niche Space MPB 11 Volume 11 written by Joel E. Cohen and published by Princeton University Press. This book was released on 2020-03-31 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: What is the minimum dimension of a niche space necessary to represent the overlaps among observed niches? This book presents a new technique for obtaining a partial answer to this elementary question about niche space. The author bases his technique on a relation between the combinatorial structure of food webs and the mathematical theory of interval graphs. Professor Cohen collects more than thirty food webs from the ecological literature and analyzes their statistical and combinatorial properties in detail. As a result, he is able to generalize: within habitats of a certain limited physical and temporal heterogeneity, the overlaps among niches, along their trophic (feeding) dimensions, can be represented in a one-dimensional niche space far more often than would be expected by chance alone and perhaps always. This compatibility has not previously been noticed. It indicates that real food webs fall in a small subset of the mathematically possible food webs. Professor Cohen discusses other apparently new features of real food webs, including the constant ratio of the number of kinds of prey to the number of kinds of predators in food webs that describe a community. In conclusion he discusses possible extensions and limitations of his results and suggests directions for future research.
Download or read book Food Chains and Webs written by Louise Spilsbury and published by Capstone Classroom. This book was released on 2004 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes what a food chain and web is, what kinds are found in grasslands, who eats whom in oceans, rivers, and lakes, and some activities that the reader can research about food chains.
Download or read book Food Chains and Food Webs in Aquatic Ecosystems written by Young-Seuk Park and published by MDPI. This book was released on 2021-02-22 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Food webs describe the structure of communities and their energy flows, and they represent interactions between species in ecosystems. Recently, we have witnessed rapid development of techniques for both experimental studies and theoretical/computational studies on food webs as well as species interactions. This reprint book is focused on food chains and food webs in aquatic ecosystems, with seven papers published in the corresponding Special Issue of Applied Sciences. The topics include empirical studies on food chains and food webs as well as effects of environmental factors on organisms in aquatic ecosystems.
Download or read book The French Don t Diet Plan written by Dr. William Clower and published by Harmony. This book was released on 2010-04-28 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: The most delicious and decadent way to lose weight, lower cholesterol, and increase energy. Wouldn’t you rather savor a buttery croissant instead of inhaling an artificially flavored diet shake? Isn’t taking a relaxing stroll preferable to pounding out early morning miles on the treadmill? The French live this way, yet stay thin and healthy. Now, with The French Don’t Diet Plan, you can, too! In his groundbreaking book, The Fat Fallacy, Dr. Will Clower was the first to present a theory of how the French maintain low obesity and heart disease rates despite their seemingly “unhealthy” lifestyle. Dr. Clower learned that the French don’t worry about dieting but rather are more concerned with how they eat. That means paying attention to the taste, pacing, and enjoyment of meals, instead of counting calories, cutting fat and carbs, or taking guilt trips to the gym. Now, in The French Don’t Diet Plan, Dr. Clower shows how easy it is to incorporate his remarkably effective techniques and the French lifestyle into a busy American day. Dr. Clower has found that natural foods have overwhelmingly been pushed out of the American diet by what he calls “faux foods”: processed, additive-filled convenience products, often marketed as healthy with buzzwords like low fat and low carb. In addition, mealtimes should be a slow, sensual break for the body and mind—not a face-stuffing frenzy while standing up in the kitchen or sitting behind the wheel. As a result of such habits, Dr. Clower says, we are not eating what our bodies need, and we’re eating in a way that is not conducive to proper digestion. Science shows this precise combination of factors causes weight gain. The French approach is about taking the time to enjoy real food without guilt or deprivation. Not only a successful path to becoming thin for life, The French Don’t Diet Plan will help you put joie de vivre back into your relationship with food. • Formerly forbidden foods, welcome back! Learn why butter, cheese, bread, and chocolate are health foods that keep hunger at bay. • Spend more time eating! Discover why you should plan on having seconds and make meals last longer. • Hate to work out? Find out why you don’t have to exercise to lose pounds—and how relaxation can help keep weight off for good. • Now you’re cooking. Enjoy dozens of easy recipes for satisfying comfort foods, from Hot Artichoke-Cheese Dip to Creamy Alfredo Sauce, and Double-Almond Biscotti to Practically Flourless Chocolate Cake.
Download or read book The History and Philosophy of Science written by Nandan Bhattacharya and published by Taylor & Francis. This book was released on 2022-12-05 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an in-depth analysis of the history and evolution of the major disciplines of science, which include the basic sciences, bioscience, natural sciences and medical science, with special emphasis on the Indian perspective. While academic interest shown in the history and philosophy of science dates back to several centuries, serious scholarship on how the sciences and the society interact and influence each other can only be dated back to the twentieth century. This volume explores the ethical and moral issues related to social values, along with the controversies that arise in relation to the discourse of science from the philosophical perspectives. The book sheds light on themes that have proved to have a significant and overwhelming influence on present-day civilisation. It takes the reader through a journey, on how the sciences have developed and have been discussed, to explore key themes like the colonial influences on science; how key scientific ideas have developed from Aristotle to Newton; history of ancient Indian mathematics; agency, representation, deviance with regard to the human body in science; bioethics; mental health, psychology and the sciences; setting up of the first teaching departments for subjects such as medicine, ecology and physiology in India; recent research in chemical technology; and even the legacy of ancient Indian scientific discoveries. A part of the Contemporary Issues in Social Science Research series, this interdisciplinary work will be of immense interest to scholars and researchers of philosophy, modern history, sociology of medicine, physical sciences, bioscience, chemistry and medical sciences. It will be of interest to the general reader also.
Download or read book Food Chains written by Alvin Silverstein and published by Twenty-First Century Books (CT). This book was released on 1998 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: You've probably heard the saying, "You are what you eat." Of course you don't become a cow when you eat a hamburger, but you do draw your energy from the energy in the food you consume. All organisms are linked together by the food chain, which illustrates the transfer of energy from one organism to another. A bird gains strength from devouring a frog, which may have eaten an fly, which may have eaten rotten fruit. Science writers Alvin and Virginia Silverstein and Laura Silverstein Nunn describe the many sources of energy we often take for granted every time we eat. The authors also explore relationships in nature and what happens when a part of the food chain is affected by outside factors. Finally, they offer ways we can protect each level of the food chain. Book jacket.
Download or read book Problematic Wildlife written by Francesco M. Angelici and published by Springer. This book was released on 2015-12-18 with total page 613 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides insight into the instances in which wildlife species can create problems. Some species trigger problems for human activities, but many others need humans to save them and to continue to exist. The text addresses issues faced by economists and politicians dealing with laws involving actions undertaken to resolve the problems of the interaction between humans and wildlife. Here, the words ‘problematic species’ are used in their broadest sense, as may be appreciated in the short introductions to the various sections. At times, the authors discuss special cases while always extending the discussion into a more general and broad vision. At others, they present real cutting-edge analysis of ecological topics and issues. The book will be of interest to biologists, ecologists and wildlife managers involved in research on wildlife, parks, and environmental management, as well as to government departments and agencies, NGOs and conservation wildlife organizations. Even those in contact with nature, such as hunters, herders, and farmers, will be able to find a great deal of important information. Specific case studies are selected from among the most significant and prevalent cases throughout the world. A total of 26 papers have been selected for this book, written by zoologists, biologists and ecologists. Many have an interdisciplinary approach, with contributions by economists, criminologists, technical specialists, and engineers.
Download or read book Biodiversity written by Christian Lévêque and published by John Wiley and Sons. This book was released on 2007-12-10 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: The title provides an overview of the current knowledge about the diversity of the living world and the various problems associated with its conservation and sustainable use. Covering both the fundamentals of the subject, along with the latest research, Biodiversity presents key conservation issues within a framework of global case studies. Starting with a summary of the concept of biodiversity, the text then explores such subjects as species richness, ecological systems, the consequences of human activities, diversity and human health, genetic resources, biotechnology and conservation. Comprehensive introduction to key issues surrounding the study of biodiversity. Extensive bibliography and references to numerous relevant websites. Introduces current research in the field within a framework of useful case studies.
Download or read book Cats I ve Known written by Barbara Bowers and published by ArtSmart Books, Inc.. This book was released on 2004 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Advances in Ungulate Ecology written by R. Terry Bowyer and published by Frontiers Media SA. This book was released on 2021-06-28 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
