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Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Ecological science, the Biosphere
This book examines the concept of naturalness in ecosystems, discusses its values and considers choices about the level of naturalness in conservation efforts. The author argues that all ecosystems have been modified and the idea of places 'untouched by humans' is a myth. But there are large differences in the degree of modification and levels of naturalness which can be identified. Changes are not always irreversible; some apparent wilderness areas are sites of former civilizations. There is no longer any simple distinction possible between 'natural' and 'cultural' systems. In the future, society will, to some extent, choose the degree of naturalness in land and seascapes. The growth of protected areas is an early sign of this, as are changes in forest management, dam removal and control of invasive species. To make informed choices about these areas, the author shows that we must understand the characteristics and values of naturally regulating ecosystems - their practical benefits, social values and management needs. Authenticity in Nature uses a rigorous definition of authenticity to help in the understanding and measurement of naturalness. It discusses the choices facing us and some of the information we need to make decisions relating to land and water management. Practical issues of management and numerous terrestrial and aquatic examples from around the world are discussed. It is an optimistic and highly original book, aiming to make genuine advances in our understanding and management of natural systems.
The earth, our home, is in crisis. There are two sides to this crisis-our global economy, and its effect on the ecology of our home planet. Despite conventional thinking that typical monetary and fiscal manipulations will put us back on the path of economic growth, the reality is not that simple. Meanwhile, the natural environment is sending unmistakable warnings. Glaciers are melting; oceans are becoming dangerously acidic; species and their ecological services are becoming extinct; and weather patterns are becoming increasingly severe and unpredictable each year. The stress on resource systems of all kinds threatens to shrink the carrying capacity of the planet, even as we call upon it for increased contributions to support a burgeoning human population. Co-written by an ecologist and an economist, Economics and Ecology: United for a Sustainable World counsels the replacement of symptomatic thinking with a systemic worldview that treats the environment and the economy as an ecosystemic unit. The first part of the book establishes the methodological and biophysical principles needed to develop the concept of socioeconomic sustainability. The second part of the book examines the misuse of economics in the service of what increasingly appears to be a ruinous pursuit of material wealth and expansion. The third part offers advice on reconciling economics and ecology by proposing an economics in which the principles employed are aligned with the biophysical principles of ecology. This timely volume puts forth a sustainable worldview based on systemic thinking, with the emphasis more on what and how people think than on what they do. A unique reference for professionals and laypersons alike, it can also serve as a supplementary classroom text for students of economics, ecology, biology, and environmental science.
Rethinking Intercultural Approaches to Indigenous Environmental Education and Research arose from a physical and philosophical journey that critically considered the relationship between Western, Indigenous, and other culturally rooted ecological knowledge systems and philosophies. This book shares two related studies that explored the life histories, cultural, and ecological identities and pedagogical experiences of Indigenous, non-Indigenous, and recently arrived educators and learners from across Canada. A variety of socio-ecological concepts including bricolage, metissage, Two-Eyed Seeing, and the Third Space are employed to (re-) frame discussions of historical and contemporary understandings of interpretive and Indigenous research methodologies, Metis cultures and identities, Canadian ecological identity, intercultural science and environmental education, "wicked problems", contemporary disputes over land and natural resource management, and related activism.
Woody plants belong to various taxonomic groups, which are heterogeneous in morphology, physiology, and geographic distribution. OtheJWise, they have neither strong evolutionruy relationships nor share a conunon habitat. They are a primaIy source of fiber and timber, and also include many edible fruit species. Their unique phenotypic behavior includes a perennial habit associated with extensive secondary growth. Additional characteristics of woody plants include: developmental juvenility and maturity with respect to growth habit, flowering time, and morphogenetic response in tissue cultures; environmental control of bud dormancy and flowering cycles; variable tolerance to abiotic stresses, wounding and pathogens; and long distance transport of water and IRltrients. Woody plants, particularly tree species, have been the focus of numerous physiological studies to understand their specialized functions, however, only recently they have become the target of molecular studies. Recent advances in our understanding of signal transduction pathways for environmental responses in herbaceous plants, including the identification and cloning of genes for proteins involved in signal transduction. should provide useful leads to undertake parallel studies with woody plants. Molecular mapping techniques, coupled with the availability of cloned genes from herbaceous plants, should provide shortcuts to cloning relevant genes from woody plants. The unique phenotypes of these plants can then be targeted for improvement through genetic engineering.
This book balances critical theory and professional practice to create specific strategies that result in more effective and enlightened news production and consumption. Emerging from the integral theories of Teilhard de Chardin and embracing Neil Postman's media ecology, the reception theories of John Fiske, and the work of many contemporary scholars, The Newsphere constructs a solid theoretical, historical, and practical framework for news as ecology. It illuminates how stories emerge and evolve across digital networks and complex systems and examines the historical and theoretical forces that are precipitating the decay of the traditional American news and information structure. This book is an exciting and progressive foundation text for introductory journalism and mass communication courses, with applications in advanced reporting, new media, news literacy, media ethics, and political science classes. The Newsphere will inspire its readers to move beyond the conventional and to embrace the new news, a dynamic network of unlimited participation.
While artificial reefs may have much to offer, they remain an anecdote in the greater scheme of fisheries management, primarily due to the lack of data specific to validating their use. Based on papers presented at the 9th Conference on Artificial Reefs and Artificial Habitats (CARAH) and also including original articles written for this reference, Artificial Reefs in Fisheries Management brings to the forefront the current state of knowledge regarding artificial reefs and their pragmatic application to furthering fisheries sustainability. It presents a timely compilation of research to increase options for the implementation of artificial reefs for fishery and natural resource managers. Artificial Reefs in Fisheries Management offers an inclusive and encompassing description of the field by chapter authors drawn from diverse geographical areas. This approach gives readers the broadest of perspectives and reflects regional interests and experience with artificial reefs in different parts of the world. Coming at an opportune time in the field of artificial reefs, Artificial Reefs in Fisheries Management aids researchers and natural resource managers more carefully consider the special features of artificial reefs in their application to resolving fisheries management problems. This book is an important step toward improving the prescribed use of artificial reefs as a viable option in many of the world's fisheries in the quest to make more of the world's fisheries sustainable.
Ecosystem services can be broadly defined as the aspects of ecosystems that provide benefits to people. This book provides guidance on the valuation of ecosystem services, using the case of multifunctional wetlands to illustrate and make recommendations regarding the methods and techniques that can be applied to appraise management options. It provides a review of ecosystem service valuation rationale, including its importance from both a policy and project appraisal perspective, and a useful reference when considering policy and appraisal of ecosystem management options. It shows how legal obligations and other high-level management targets should be taken into account in valuation exercises, thus giving important policy context to the management options. The authors set out what they call an Ecosystem Services Approach to the full appraisal of the role of ecosystem services in the economy and society. Although concentrating on wetlands, the approaches suggested provide an assessment framework that can be applied to other types of ecosystem assets.
The language of ecology has grown rapidly and changed extensively over the last decade. From Arrhenotoky to Psammosere; from the One-tailed test to Zoocoenosis, the "Blackwell Concise Encyclopedia of Ecology" provides concise, non-technical definitions of over 2000 ecological terms, covering the complete spectrum of pure and applied ecological research. The definitions are drawn from the "Encyclopedia of Ecology and Environmental Management", and are fully cross referenced.This is the most comprehensive and up-to-date dictionary of ecological terms available. It should be invaluable to students and researchers alike. From the same international team responsible for the highly acclaimed "Encyclopedia of Ecology of Environmental Management". It is a complete one-volume guide to ecology. Definitions cover the entire spectrum of pure and applied ecological research. 1500 headwords are defined. It features over 150 contributors from 15 countries. It is essential for those studying or practising ecology and related fields.
This book focuses on the behavior and impact of trace metals in the environment by studying typical cases from China such as the Hetao Area of the Yellow River, Shanghai, and Nanjing. Based on samples and experiments on the behavior of pollutants, it systematically discusses the regulation of trace metals' distribution, accumulation, and migration, associated with the cause of formation demonstration. The author subsequently uses the acquired data to review the evolving trend of trace metal behaviors in natural systems (river or lake water, sediments, and soils), develops suggestions for the prevention of their negative effects, and devise treatments. Moreover, he proposes solutions to difficult research issues such as trace metal speciation extraction, and an analysis, along with operational procedures. Given its scope, the book will provide a valuable guide for researchers and engineers in relevant disciplines of the environmental sciences and engineering, and for environmental policymakers to consult in practices.
Habitat fragmentation and global climate change are the two major environmental threats to the persistence of species and ecosystems. The probability of a species surviving such changes is strongly dependent on its ability to track shifts in the environmental, either by moving between patches of habitat or by rapidly adapting to local condition. These 'solutions' to problems posed by environmental change depend on dispersal propensity, motivating our desire to better understand this important behavior. This book is a comprehensive overview of the new developments in the study of dispersal and the state-of-the-art research on the evolution of this trait. The causes, mechanisms, and consequences of dispersal at the individual, population, and species levels are considered. The promise of new techniques and models for studying dispersal, drawn from molecular biology and demography is explored. Perspectives on the study of dispersal are offered from evolution, conservation biology, and genetics. Throughout the book, theoretical approaches are combined with empirical data, and examples are included from as wide a range of species as possible.
Rethinking Intercultural Approaches to Indigenous Environmental Education and Research arose from a physical and philosophical journey that critically considered the relationship between Western, Indigenous, and other culturally rooted ecological knowledge systems and philosophies. This book shares two related studies that explored the life histories, cultural, and ecological identities and pedagogical experiences of Indigenous, non-Indigenous, and recently arrived educators and learners from across Canada. A variety of socio-ecological concepts including bricolage, metissage, Two-Eyed Seeing, and the Third Space are employed to (re-) frame discussions of historical and contemporary understandings of interpretive and Indigenous research methodologies, Metis cultures and identities, Canadian ecological identity, intercultural science and environmental education, "wicked problems", contemporary disputes over land and natural resource management, and related activism.
This book balances critical theory and professional practice to create specific strategies that result in more effective and enlightened news production and consumption. Emerging from the integral theories of Teilhard de Chardin and embracing Neil Postman's media ecology, the reception theories of John Fiske, and the work of many contemporary scholars, The Newsphere constructs a solid theoretical, historical, and practical framework for news as ecology. It illuminates how stories emerge and evolve across digital networks and complex systems and examines the historical and theoretical forces that are precipitating the decay of the traditional American news and information structure. This book is an exciting and progressive foundation text for introductory journalism and mass communication courses, with applications in advanced reporting, new media, news literacy, media ethics, and political science classes. The Newsphere will inspire its readers to move beyond the conventional and to embrace the new news, a dynamic network of unlimited participation.
"Spatial Capture-Recapture" provides a comprehensive how-to
manual with detailed examples of spatial capture-recapture models
based on current technology and knowledge. "Spatial
Capture-Recapture" provides you with an extensive step-by-step
analysis of many data sets using different software
implementations. The authors' approach is practical it embraces
Bayesian and classical inference strategies to give the reader
different options to get the job done. In addition, "Spatial
Capture-Recapture" provides data sets, sample code and computing
scripts in anR package.
This book presents research into chemical, biological, radiological and nuclear (CBRN) defense and environmental security, exploring practical implications of the research. Contributions from a diverse group of international civilian researchers present the latest work on nanotechnology problems in this area, looking at detection, protective technologies, decontamination and threats to environmental security due to bacteriophages and nanomaterials. Highlights include the potential of Atomic Force Microscopy (AFM) to characterize the nanoscale properties of microbial pathogens, the development of bacteriophage-based therapeutics, prophylactic and diagnostic preparations and their uses in different fields, such as medicine, veterinary, agriculture, food and water safety, amongst others. Readers may also consider an inexpensive bioassay suited for assessing chemical poisoning in the environment such as the presence of pesticides, sensors to detect ultra-trace quantities of the explosive Pentaerythritol tetranitrate (PETN) using nanotubes and electrochemical sensors to simultaneously detect and reduce the explosive trinitrotoluene (TNT) to 2,4,6-triaminotoluene (TAT) in solution. This book shows how cooperative research among NATO countries and NATO partners can make a critical contribution to meeting the opportunities and challenges of nanotechnology problems relevant to chemical and biological defense needs. The papers presented here are representative of contributions made to the Advanced Research Workshop (ARW) on September 22-26, 2014 in Antalya, Turkey, to address the NATO SPS Key Priority of Defense against CBRN Agents and Environmental Security.
There is a growing recognition that the diversity of life comprises both biological and cultural diversity. But this division is not universal and, in many cases, has been deepened by the common disciplinary divide between the natural and social sciences and our apparent need to manage and control nature. This book goes beyond divisive definitions and investigates the bridges linking biological and cultural diversity. The international team of authors explore the common drivers of loss, and argue that policy responses should target both forms of diversity in a novel integrative approach to conservation, thus reducing the gap between science, policy and practice. While conserving nature alongside human cultures presents unique challenges, this book forcefully shows that any hope for saving biological diversity is predicated on a concomitant effort to appreciate and protect cultural diversity.
A look at how wildlife professionals can modernize their approaches to habitat and population management with a fresh take on animal ecology. How can we maximize the probability that a species of wild animal will persist into the future? This audacious book proposes that advancing animal ecology-and conservation itself-demands that we reenvision our basic understanding of how animals interact with their environments and with each other. Synthesizing where we are and where we need to go with our studies of animals and their environs, Foundations for Advancing Animal Ecology asserts that studies of animal ecology should begin with a focus on the behaviors and characteristics of individual organisms. The book examines * the limitations of classic approaches to the study of animal ecology * how organisms organize into collections, such as breeding pairs, flocks, and herds * how the broader biotic and abiotic environment shapes animal populations, communities, and ecosystems * factors underlying the distribution and abundance of species through space and time * the links between habitat and population * why communication between researchers and managers is key * specific strategies for managing wild animal populations and habitats in an evolutionary and ecosystem context Throughout, the authors stress the importance of speaking a common and well-defined language. Avoiding vague and misleading terminology, they argue, will help ecologists translate science into meaningful and lasting actions in the environment. Taking the perspective of the organism of interest in developing concepts and applications, the authors always keep the potentially biased human perspective in focus. A major advancement in understanding the factors underlying wildlife-habitat relationships, Foundations for Advancing Animal Ecology will be an invaluable resource to professionals and practitioners in natural resource management in public and private sectors, including state and federal agencies, non-governmental organizations, and environmental consultants.
Published with ISME, ITTO and project partners FAO, UNESCO-MAB, UNEP-WCMC and UNU-INWEH. This atlas provides the first truly global assessment of the state of the world's mangroves. Written by a leading expert on mangroves with support from the top international researchers and conservation organizations, this full colour atlas contains 60 full-page maps, hundreds of photographs and illustrations and a comprehensive country-by-country assessment of mangroves. Mangroves are considered both ecologically and from a human perspective. Initial chapters provide a global view, with information on distribution, biogeography, productivity and wider ecology, as well as on human uses, economic values, threats, and approaches for mangrove management. These themes are revisited throughout the regional chapters, where the maps provide a spatial context or starting point for further exploration. The book also presents a wealth of statistics on biodiversity, habitat area, loss and economic value which provide a unique record of mangroves against which future threats and changes can be evaluated. Case-studies, written by regional experts provide insights into regional mangrove issues, including primary and potential productivity, biodiversity, and information on present and traditional uses and values and sustainable management.
Continuing in the tradition of its bestselling predecessor, the Handbook of Ecological Indicators for Assessment of Ecosystem Health, Second Edition brings together world-class editors and contributors who have been at the forefront of ecosystem health assessment research for decades, to provide a sound approach to environmental management and sustainable development. Significantly updated and expanded, this authoritative resource details a proven framework for selecting, evaluating, and validating ecological indicators for ecosystem health assessment. It guides readers through the application of this framework to a wide range of ecosystems, including wetlands, estuaries, coastal zones, lakes, forests, marine ecosystems, lagoons, agricultural systems, landscapes, and rivers. The text synthesizes material from a variety of books, journals, and private research, to consider biodiversity, energy needs, ecological economics, and natural capital in the measurement of ecological health. Organized for ease of reference, the first part of the handbook provides the required theoretical background. It presents a complete overview of all relevant ecological indicators-including thermodynamics, resilience estimates, exergy, and emergy indicators. The second part focuses on how to effectively apply the ecological indicators to a number of important ecosystems. It includes many examples and case studies that clearly illustrate the advantages and disadvantages of each method for specific applications. Offering first-hand insight and practical guidance from practitioners in the field, this complete resource supplies the tools and the well-rounded understanding required to diagnose the health of virtually any ecosystem with much improved accuracy.
Insects and fungi have a shared history of association in common
habitats where together they endure similar environmental
conditions, but only recently have mycologists and entomologists
recognized and had the techniques to study the intricacies of some
of the associations. This new volume covers "seven wonders of the
insect-fungus world" for which exciting new results have become
available, often due to the use of new methods that include
phylogenetic analysis and development of molecular markers.
Organisms and environment have evolved through modifying each other over millions of years. Humans appeared very late in this evolutionary time scale. With their superior brain attributes, humans emerged as the most dominating influence on the earth. Over the millennia, from simple hunter-food gatherers, humans developed the art of agriculture, domestication of animals, identification of medicinal plants, devising hunting and fishing techniques, house building, and making clothes. All these have been for better adjustment, growth, and survival in otherwise harsh and hostile surroundings and climate cycles of winter and summer, and dry and wet seasons. So humankind started experimenting and acting on ecological lines much before the art of reading, writing, or arithmetic had developed. Application of ecological knowledge led to development of agriculture, animal husbandry, medicines, fisheries, and so on. Modem ecology is a relatively young science and, unfortunately, there are so few books on applied ecology. The purpose of ecology is to discover the principles that govern relationships among plants, animals, microbes, and their total living and nonliving environmental components. Ecology, however, had remained mainly rooted in botany and zoology. It did not permeate hard sciences, engineering, or industrial technologies leading to widespread environmental degradation, pollution, and frequent episodes leading to mass deaths and diseases.
This book provides a hands-on introduction to the construction and application of models to studies of vertebrate distribution, abundance, and habitat. The book is aimed at field biologists, conservation planners, and advanced undergraduate and postgraduate students who are involved with planning and analyzing conservation studies, and applying the results to conservation decisions. The book also acts as a bridge to more advanced and mathematically challenging coverage in the wider literature. Part I provides a basic background in population and community modeling. It introduces statistical models, and familiarizes the reader with important concepts in the design of monitoring and research programs. These programs provide the essential data that guide conservation decision making. Part II covers the principal methods used to estimate abundance, occupancy, demographic parameters, and community parameters, including occupancy sampling, sample counts, distance sampling, and capture-mark-recapture (for both closed and open populations). Emphasis is placed on practical aspects of designing and implementing field studies, and the proper analysis of data. Part III introduces structured decision making and adaptive management, in which predictive models are used to inform conservation decision makers on appropriate decisions in the face of uncertainty--with the goal of reducing uncertainty through monitoring and research. A detailed case study is used to illustrate each of these themes. Numerous worked examples and accompanying electronic material (on a website - http: //www.blackwellpublishing.com/conroy - and accompanying CD) provide the details of model construction and application, and data analysis.
Evidence has been mounting for some time that intensive row-crop agriculture as practiced in developed countries may not be environmentally sustainable, with concerns increasingly being raised about climate change, implications for water quantity and quality, and soil degradation. This volume synthesizes two decades of research on the sustainability of temperate, row-crop ecosystems of the Midwestern United States. The overarching hypothesis guiding this work has been that more biologically based management practices could greatly reduce negative impacts while maintaining sufficient productivity to meet demands for food, fiber and fuel, but that roadblocks to their adoption persist because we lack a comprehensive understanding of their benefits and drawbacks. The research behind this book, based at the Kellogg Biological Station (Michigan State University) and conducted under the aegis of the Long-term Ecological Research network, is structured on a foundation of large-scale field experiments that explore alternatives to conventional, chemical-intensive agriculture. Studies have explored the biophysical underpinnings of crop productivity, the interactions of crop ecosystems with the hydrology and biodiversity of the broader landscapes in which they lie, farmers' views about alternative practices, economic valuation of ecosystem services, and global impacts such as greenhouse gas exchanges with the atmosphere. In contrast to most research projects, the long-term design of this research enables identification of slow or delayed processes of change in response to management regimes, and allows examination of responses across a broader range of climatic variability. This volume synthesizes this comprehensive inquiry into the ecology of alternative cropping systems, identifying future steps needed on the path to sustainability.
Novel Statistical Tools for Conserving and Managing Populations By gathering information on key demographic parameters, scientists can often predict how populations will develop in the future and relate these parameters to external influences, such as global warming. Because of their ability to easily incorporate random effects, fit state-space models, evaluate posterior model probabilities, and deal with missing data, modern Bayesian methods have become important in this area of statistical inference and forecasting. Emphasising model choice and model averaging, Bayesian Analysis for Population Ecology presents up-to-date methods for analysing complex ecological data. Leaders in the statistical ecology field, the authors apply the theory to a wide range of actual case studies and illustrate the methods using WinBUGS and R. The computer programs and full details of the data sets are available on the book's website. The first part of the book focuses on models and their corresponding likelihood functions. The authors examine classical methods of inference for estimating model parameters, including maximum-likelihood estimates of parameters using numerical optimisation algorithms. After building this foundation, the authors develop the Bayesian approach for fitting models to data. They also compare Bayesian and traditional approaches to model fitting and inference. Exploring challenging problems in population ecology, this book shows how to use the latest Bayesian methods to analyse data. It enables readers to apply the methods to their own problems with confidence.
This open access book presents and analyzes the results of more than 30 years of long-term ecological research in riparian forest ecosystems with the aim of casting light on changes in the dynamics of riparian forests over time. The research, focusing on the Ooyamazawa riparian forest, one of the remaining old-growth forests in Japan, has yielded a number of interesting outcomes. First, it shows that large-scale disturbances afford various trees opportunities for regeneration and are thus the driving force for the coexistence of canopy trees in riparian forests. Second, it identifies changes in reproductive patterns, highlighting that seed production has in fact quantitatively increased over the past two decades. Third, it describes the decline in forest floor vegetation caused by deer grazing and reveals how this decline has affected bird and insect populations. The book illustrates the interconnectedness of phenomena within an ecosystem and the resultant potential for cascade effects and also stresses the need for long-term ecological studies of climate change impacts on forests. It will be of interest to both professionals and academics in the field of forest science.
Many ecological phenomena involve space as well as time and arise from a combination of random and deterministic processes. Such phenomena include the effects of habitat fragmentation, which is a common result of human activity and a major problem in biological conservation. Reaction-diffusion models provide one approach to describing how random movements and deterministic interactions between individuals combine to influence the dynamics of populations and the structure of ecological communities. Spatial Ecology via Reaction-Diffusion Equations addresses the problem of modeling spatial effects in ecology and population dynamics using reaction-diffusion models.
Spatial Ecology via Reaction-Diffusion Equations provides a practical introduction to the subject for graduate students and researchers working in spatial modeling from mathematics, statistics, ecology, geography and biology. |
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