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Author : John C. Moore,Peter C. de Ruiter
Publisher : Oxford University Press
Page : 344 pages
File Size : 53,6 Mb
Release : 2012-05-31
Category : Mathematics
ISBN : 9780198566182
Food webs are viewed as open and dynamic systems.
Author : John C. Moore,Peter C. de Ruiter
Publisher : Oxford Ecology and Evolution
Page : 345 pages
File Size : 44,9 Mb
Release : 2012-05-31
Category : Mathematics
ISBN : 9780198566199
In ecosystems with many species, food webs form highly complex networks of resource-consumer interactions. At the same time, the food web as itself needs sufficient resources to develop and survive. So in fact, food web ecology is about how natural resources form the basis of biological communities, in terms of species richness and abundances as well as how species are organised in communities on the basis of the resource availability and use. The central theme of this book is that patterns in the utilisation of energy result from the trophic interactions among species, and that these patterns form the basis of ecosystem stability. The authors integrate the latest work on community dynamics, ecosystem energetics, and stability, and in so doing attempt to dispel the categorisation of the field into the separate subdisciplines of population, community, and ecosystem ecology. Energetic Food Webs represents the first attempt to bridge the gap between the energetic and species approaches to ecology.
Author : Joel E. Cohen,Frédéric Briand,Charles M. Newman
Publisher : Springer Science & Business Media
Page : 318 pages
File Size : 54,5 Mb
Release : 2012-12-06
Category : Medical
ISBN : 9783642837845
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 : S. Pimm
Publisher : Springer Science & Business Media
Page : 231 pages
File Size : 50,7 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400959255
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.
Author : John C. Moore,Peter C. de Ruiter,Kevin S. McCann,Volkmar Wolters
Publisher : Cambridge University Press
Page : 445 pages
File Size : 45,8 Mb
Release : 2018
Category : Business & Economics
ISBN : 9781107182110
This book presents new approaches to studying food webs, using practical and policy examples to demonstrate the theory behind ecosystem management decisions.
Author : Gary A. Polis,Kirk O. Winemiller
Publisher : Springer Science & Business Media
Page : 475 pages
File Size : 55,8 Mb
Release : 2013-04-17
Category : Science
ISBN : 9781461570073
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.
Author : Andrea Belgrano,Smithsonian Environmental Research Center Ursula M Scharler,Ursula M. Scharler,Jennifer Dunne,Robert E. Ulanowicz
Publisher : Oxford University Press
Page : 273 pages
File Size : 40,5 Mb
Release : 2005-04-07
Category : Science
ISBN : 9780198564836
'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.
Author : William H. Clements,Michael C. Newman
Publisher : John Wiley & Sons
Page : 354 pages
File Size : 42,8 Mb
Release : 2003-02-14
Category : Medical
ISBN : 9780470855140
Ecotoxicology is the study of the effects of toxicants on ecological systems. Ecological effects of contaminants may occur at several levels of biological organisation, from individual organisms to the entire biosphere. Communities consist of interacting populations that overlap in time and space. Thus, community ecotoxicology is concerned with effects of contaminants on communities. This is one of a series of five books that will provide a comprehensive treatment of field ecotoxicology, it provides important insights into how contaminants affect the distribution and abundance of organisms in nature. * Both authors are well known highly respected scientists in the field. * The first book to be dedicated to 'community ecotoxicology.'
Author : Donald A. Falk,Margaret A. Palmer,Joy B. Zedler
Publisher : Island Press
Page : 378 pages
File Size : 42,7 Mb
Release : 2013-03-19
Category : Nature
ISBN : 9781597266048
As the practical application of ecological restoration continues to grow, there is an increasing need to connect restoration practice to areas of underlying ecological theory. Foundations of Restoration Ecology is an important milestone in the field, bringing together leading ecologists to bridge the gap between theory and practice by translating elements of ecological theory and current research themes into a scientific framework for the field of restoration ecology. Each chapter addresses a particular area of ecological theory, covering traditional levels of biological hierarchy (such as population genetics, demography, community ecology) as well as topics of central relevance to the challenges of restoration ecology (such as species interactions, fine-scale heterogeneity, successional trajectories, invasive species ecology, ecophysiology). Several chapters focus on research tools (research design, statistical analysis, modeling), or place restoration ecology research in a larger context (large-scale ecological phenomena, macroecology, climate change and paleoecology, evolutionary ecology). The book makes a compelling case that a stronger connection between ecological theory and the science of restoration ecology will be mutually beneficial for both fields: restoration ecology benefits from a stronger grounding in basic theory, while ecological theory benefits from the unique opportunities for experimentation in a restoration context. Foundations of Restoration Ecology advances the science behind the practice of restoring ecosystems while exploring ways in which restoration ecology can inform basic ecological questions. It provides the first comprehensive overview of the theoretical foundations of restoration ecology, and is a must-have volume for anyone involved in restoration research, teaching, or practice.
Author : Villy Christensen,Daniel Pauly
Publisher : WorldFish
Page : 402 pages
File Size : 52,5 Mb
Release : 1993
Category : Aquatic ecology
ISBN : 9789711022846
Author : Robert G. Woodmansee,John C. Moore,Dennis S. Ojima,Laurie Richards
Publisher : Cambridge University Press
Page : 463 pages
File Size : 47,5 Mb
Release : 2021-03-11
Category : Business & Economics
ISBN : 9781108497558
Brings scientists, policy makers, land and water managers and citizen stakeholders together to resolve natural resource and environmental problems.
Author : Anonim
Publisher : Academic Press
Page : 224 pages
File Size : 53,5 Mb
Release : 1999-02-12
Category : Science
ISBN : 0080567126
This volume contains papers highlighting the diverse interests of modern ecologists. Areas covered range from modeling terrestrial carbon exchange and storage to the relationship between animal abundance and body size. Other papers address the free-air carbon dioxide enrichment in global change research; generalist predators, interaction strength, and food web stability; delays, demography, and cycles; and spatial root segregation. This volume is essential for all ecologists.
Author : Anonim
Publisher : Academic Press
Page : 781 pages
File Size : 46,5 Mb
Release : 1996-06-03
Category : Science
ISBN : 9780080526942
Algae are an important component of aquatic benthic ecosystems because they reflect the health of their environment through their density, abundance, and diversity. This comprehensive and authoritative text is divided into three sections to offer complete coverage of the discussion in this field. The first section introduces the locations of benthic algae in different ecosystems, like streams, large rivers, lakes, and other aquatic habitats. The second section is devoted to the various factors, both biotic and abiotic, that affect benthic freshwater algae. The final section of the book focuses on the role played by algae in a variety of complex freshwater ecosystems. As concern over environmental health escalates, the keystone and pivotal role played by algae is becoming more apparent. This volume in the Aquatic Ecology Series represents an important compilation of the latest research on the crucial niche occupied by algae in aquatic ecosystems. Presents algae as the important player in relation to environmental health Prepared by leading authorities in the field Includes comprehensive treatment of the functions of benthic algae as well as the factors that affect these important aquatic organisms Acts as an important reference for anyone interested in understanding and managing freshwater ecosystems
Author : Anonim
Publisher : Academic Press
Page : 5485 pages
File Size : 40,6 Mb
Release : 2013-02-05
Category : Nature
ISBN : 9780123847201
The 7-volume Encyclopedia of Biodiversity, Second Edition maintains the reputation of the highly regarded original, presenting the most current information available in this globally crucial area of research and study. It brings together the dimensions of biodiversity and examines both the services it provides and the measures to protect it. Major themes of the work include the evolution of biodiversity, systems for classifying and defining biodiversity, ecological patterns and theories of biodiversity, and an assessment of contemporary patterns and trends in biodiversity. The science of biodiversity has become the science of our future. It is an interdisciplinary field spanning areas of both physical and life sciences. Our awareness of the loss of biodiversity has brought a long overdue appreciation of the magnitude of this loss and a determination to develop the tools to protect our future. Second edition includes over 100 new articles and 226 updated articles covering this multidisciplinary field— from evolution to habits to economics, in 7 volumes The editors of this edition are all well respected, instantly recognizable academics operating at the top of their respective fields in biodiversity research; readers can be assured that they are reading material that has been meticulously checked and reviewed by experts Approximately 1,800 figures and 350 tables complement the text, and more than 3,000 glossary entries explain key terms
Author : N. Rooney,K.S. McCann,D.L.G. Noakes
Publisher : Springer Science & Business Media
Page : 278 pages
File Size : 50,9 Mb
Release : 2006-12-02
Category : Science
ISBN : 9781402053375
Ecosystems are complex and enigmatic entities that are ultimately our life support systems. This book explores developments that unfold when math and physics meet ecology. Leading ecologists examine ecosystems from theoretical, experimental, and empirical viewpoints. The book begins by simplifying and synthesizing nature’s complex relationships. It then moves on to explore the mapping between food web structure and function and ends with the role of theory in integrating different research areas.
