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The Dynamic Nature of Ecosystems by Claudia Pahl-Wostl Pdf
It argues that it is the trade-off between the irregular, chaotic dynamics at the population level and the spatio-temporal organization of the system as a whole, that shapes ecological systems. Such a trade-off is mediated by the effects of positive feedback that link populations across time and space.
Richard J. Hobbs,Katharine N. Suding,Peter Society for Ecological Restoration International
Author : Richard J. Hobbs,Katharine N. Suding,Peter Society for Ecological Restoration International Publisher : Island Press Page : 366 pages File Size : 52,6 Mb Release : 2013-03-19 Category : Science ISBN : 9781610911382
New Models for Ecosystem Dynamics and Restoration by Richard J. Hobbs,Katharine N. Suding,Peter Society for Ecological Restoration International Pdf
As scientific understanding about ecological processes has grown, the idea that ecosystem dynamics are complex, nonlinear, and often unpredictable has gained prominence. Of particular importance is the idea that rather than following an inevitable progression toward an ultimate endpoint, some ecosystems may occur in a number of states depending on past and present ecological conditions. The emerging idea of “restoration thresholds” also enables scientists to recognize when ecological systems are likely to recover on their own and when active restoration efforts are needed. Conceptual models based on alternative stable states and restoration thresholds can help inform restoration efforts. New Models for Ecosystem Dynamics and Restoration brings together leading experts from around the world to explore how conceptual models of ecosystem dynamics can be applied to the recovery of degraded systems and how recent advances in our understanding of ecosystem and landscape dynamics can be translated into conceptual and practical frameworks for restoration. In the first part of the book, background chapters present and discuss the basic concepts and models and explore the implications of new scientific research on restoration practice. The second part considers the dynamics and restoration of different ecosystems, ranging from arid lands to grasslands, woodlands, and savannahs, to forests and wetlands, to production landscapes. A summary chapter by the editors discusses the implications of theory and practice of the ideas described in preceding chapters. New Models for Ecosystem Dynamics and Restoration aims to widen the scope and increase the application of threshold models by critiquing their application in a wide range of ecosystem types. It will also help scientists and restorationists correctly diagnose ecosystem damage, identify restoration thresholds, and develop corrective methodologies that can overcome such thresholds.
Author : Richard H. W. Bradshaw,Martin T. Sykes Publisher : John Wiley & Sons Page : 336 pages File Size : 55,9 Mb Release : 2014-03-21 Category : Nature ISBN : 9781118525197
Ecosystem Dynamics by Richard H. W. Bradshaw,Martin T. Sykes Pdf
Ecosystem Dynamics focuses on long-term terrestrialecosystems and their changing relationships with humansocieties. The unique aspect of this text is the long-timescale under consideration as data and insights from the last 10,000years are used to place present-day ecosystem status into atemporal perspective and to test models that generate forecasts offuture conditions. Descriptions and assessments of some of thecurrent modelling tools that are used, along with theiruncertainties and assumptions, are an important feature of thisbook. An overarching theme explores the dynamic interactionsbetween human societies and ecosystem functioning and services. This book is authoritative but accessible and provides a usefulbackground for all students, practitioners, and researchersinterested in the subject.
A Balancing Act | Dynamic Nature and Her Ecosystems | Ecology for Kids | Science Kids 3rd Grade | Children's Environment Books by Baby Professor Pdf
Nature is constantly changing, which is a healthy sign of life within its ecosystems. But despite the changes, nature has a way of keeping everything balanced. This educational book for children discusses the different types of ecosystems and how they interact within and outside themselves. Here you have an educational resource that matches third grade curriculum. Grab a copy today.
Meta-Ecosystem Dynamics by Frederic Guichard,Justin Marleau Pdf
This book presents current meta-ecosystem models and their derivation from classical ecosystem and metapopulation theories. Specifically, it reviews recent modelling efforts that have emphasized the role of nonlinear dynamics on spatial and food web networks, and which have cast their implications within the context of spatial synchrony and ecological stoichiometry. It suggests that these recent advances naturally lead to a generalization of meta-ecosystem theories to spatial fluxes of matter that have both a trophic and non-trophic impact on species. Ecosystem dynamics refers to the cycling of matter and energy across ecological compartments through processes such as consumption and recycling. Spatial dynamics established its ecological roots with metapopulation theories and focuses on scaling up local ecological processes through the limited movement of individuals and matter. Over the last 15 years, theories integrating ecosystem and spatial dynamics have quickly coalesced into meta-ecosystem theories, the focus of this book. The book will be of interest to graduate students and researchers who wish to learn more about the synthesis of ecosystem and spatial dynamics, which form the foundation of the theory of meta-ecosystems.
A Balancing Act - Dynamic Nature and Her Ecosystems - Ecology for Kids - Science Kids 3rd Grade - Children's Environment Books by Baby Professor Pdf
Nature is constantly changing, which is a healthy sign of life within its ecosystems. But despite the changes, nature has a way of keeping everything balanced. This educational book for children discusses the different types of ecosystems and how they interact within and outside themselves. Here you have an educational resource that matches third grade curriculum. Grab a copy today.
Author : William R. Burch,Gary E. Machlis,Jo Ellen Force Publisher : Yale University Press Page : 313 pages File Size : 44,7 Mb Release : 2017-08-22 Category : Nature ISBN : 9780300231632
The Structure and Dynamics of Human Ecosystems by William R. Burch,Gary E. Machlis,Jo Ellen Force Pdf
A landmark book that strives to provide both grand theory and practical application, innovatively describing the structure and dynamics of human ecosystems As the world faces ever more complex and demanding environmental and social challenges, the need for interdisciplinary models and practical guidance becomes acute. The Human Ecosystem Model described in this landmark book provides an innovative response. Broad in scope, detailed in method, at once theoretical and applied, this grand study offers an in-depth understanding of human ecosystems and tools for action. The authors draw from Goethe’s Faust, classic anthropology and sociology studies, contemporary ecosystem ecology, Buddhist ethics, and more to create a paradigm-shifting model and a major advance in interdisciplinary ecology.
For far too long humans have been ignoring nature. As the most dominant, overproducing, overconsuming, big-brained, big-footed, arrogant, and invasive species ever known, we are wrecking the planet at an unprecedented rate. And while science is important to our understanding of the impact we have on our environment, it alone does not hold the answers to the current crisis, nor does it get people to act. In Ignoring Nature No More, Marc Bekoff and a host of renowned contributors argue that we need a new mind-set about nature, one that centers on empathy, compassion, and being proactive. This collection of diverse essays is the first book devoted to compassionate conservation, a growing global movement that translates discussions and concerns about the well-being of individuals, species, populations, and ecosystems into action. Written by leading scholars in a host of disciplines, including biology, psychology, sociology, social work, economics, political science, and philosophy, as well as by locals doing fieldwork in their own countries, the essays combine the most creative aspects of the current science of animal conservation with analyses of important psychological and sociocultural issues that encourage or vex stewardship. The contributors tackle topics including the costs and benefits of conservation, behavioral biology, media coverage of animal welfare, conservation psychology, and scales of conservation from the local to the global. Taken together, the essays make a strong case for why we must replace our habits of domination and exploitation with compassionate conservation if we are to make the world a better place for nonhuman and human animals alike.
This book is a consideration of the dynamics of forested systems at the time and spatial scales that 1 feel are implied by our present-day use of the term "succession." The investigation will be conducted by exercising a set of ecological models called "gap models," which have been in a state of development and improvement for the past 15 years. It is the intent of this book to use these models as tools for exploring theories of ecological succession. Ecological succession is one of the most obvious and demonstrable features of natural systems when viewed from outside the field of ecology. Succession is used by teachers as a theory that introduces young people to the interactive and dynamic nature of ecosystems. Succession theory and examples of succession are proclaimed from legions of nature trail guidebooks and placards. It is a pleasant classroom exercise to discuss how ecological systems change as the product of internal mechanisms that can be demonstrated by observaaon. The deductive explanation of how a particular place came to have a given assemblage of tree species has a pleasing "Sherlock Holmesian" touch that can be challenging to puzzle through.
The Ecology of Natural Disturbance and Patch Dynamics by Steward T.A. Pickett,P. S. White Pdf
Ecologists are aware of the importance of natural dynamics in ecosystems. Historically, the focus has been on the development in succession of equilibrium communities, which has generated an understanding of the composition and functioning of ecosystems. Recently, many have focused on the processes of disturbances and the evolutionary significance of such events. This shifted emphasis has inspired studies in diverse systems. The phrase "patch dynamics" (Thompson, 1978) describes their common focus. The Ecology of Natural Disturbance and Patch Dynamics brings together the findings and ideas of those studying varied systems, presenting a synthesis of diverse individual contributions.
Trophic Cascades by John Terborgh,James A Estes Pdf
Trophic cascades—the top-down regulation of ecosystems by predators—are an essential aspect of ecosystem function and well-being. Trophic cascades are often drastically disrupted by human interventions—for example, when wolves and cougars are removed, allowing deer and beaver to become destructive—yet have only recently begun to be considered in the development of conservation and management strategies. Trophic Cascades is the first comprehensive presentation of the science on this subject. It brings together some of the world’s leading scientists and researchers to explain the importance of large animals in regulating ecosystems, and to relate that scientific knowledge to practical conservation. Chapters examine trophic cascades across the world’s major biomes, including intertidal habitats, coastal oceans, lakes, nearshore ecosystems, open oceans, tropical forests, boreal and temperate ecosystems, low arctic scrubland, savannas, and islands. Additional chapters consider aboveground/belowground linkages, predation and ecosystem processes, consumer control by megafauna and fire, and alternative states in ecosystems. An introductory chapter offers a concise overview of trophic cascades, while concluding chapters consider theoretical perspectives and comparative issues. Trophic Cascades provides a scientific basis and justification for the idea that large predators and top-down forcing must be considered in conservation strategies, alongside factors such as habitat preservation and invasive species. It is a groundbreaking work for scientists and managers involved with biodiversity conservation and protection.
From Energetics to Ecosystems: The Dynamics and Structure of Ecological Systems by N. Rooney,K.S. McCann,D.L.G. Noakes Pdf
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.
The Dynamics of Entrepreneurial Ecosystems by Allan O’Connor,Colin Mason,Morgan P. Miles,David Audretsch Pdf
This book aims to provide new approaches to analysing and thinking about how entrepreneurial ecosystems develop and evolve over time as well as shed light on the relatively unexplored area of entrepreneurship ecosystem dynamics. The concept of entrepreneurial ecosystems has emerged as a framework to understand the nature of places in which entrepreneurial activity flourishes. Time is fundamental to the analysis of the dynamics of an entrepreneurial ecosystem. New firm creation, survival, growth and demise all occur within a temporal context that is, over and within time. Systems approaches to research invariably model the influential effects of the actors and elements that shape, re-shape, maintain, shift and change the system itself. An entrepreneurial ecosystem point of view, therefore, is inherently time-dependent and provides an analytical framework that reveals how the number and diversity of entrepreneurial actors situated in a place and time influence the creation of new firms, their survival, growth, and ultimately the stability of markets and industry in a time and place. Whether for better or worse, the historic and present time dimensions underpin the functioning and trajectory of entrepreneurial ecosystem performances and how they are shaped over time. Each chapter in this edited volume outlines a particular perspective and/or a unique case drawn from a range of countries that collectively reveal the dynamics of an ever-changing entrepreneurial ecosystem. The chapters were originally published as a special issue of the journal, Entrepreneurship and Regional Development.
Biodiversity Conservation and Environmental Change by Lindsey Gillson Pdf
Ecosystems today are dynamic and complex, leaving conservationists faced with the paradox of conserving moving targets. New approaches to conservation are now required that aim to conserve ecological function and process, rather than attempt to protect static snapshots of biodiversity. To do this effectively, long-term information on ecosystem variability and resilience is needed. While there is a wealth of such information in palaeoecology, archaeology, and historical ecology, it remains an underused resource by conservation ecologists. In bringing together the disciplines of neo- and palaeoecology and integrating them with conservation biology, this novel text illustrates how an understanding of long-term change in ecosystems can in turn inform and influence their conservation and management in the Anthropocene. By looking at the history of traditional management, climate change, disturbance, and land-use, the book describes how a long-term perspective on landscape change can inform current and pressing conservation questions such as whether elephants should be culled, how best to manage fire, and whether ecosystems can or should be "re-wilded" Biodiversity Conservation and Environmental Change is suitable for senior undergraduate and post-graduate students in conservation ecology, palaeoecology, biodiversity conservation, landscape ecology, environmental change and natural resource management. It will also be of relevance and use to a global market of conservation practitioners, researchers, educators and policy-makers.