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Author: Sven E. Jorgensen
Publisher: CRC Press
ISBN: 9780203490181
Category : Technology & Engineering
Languages : en
Pages : 472
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Book Description
The field of ecosystem health explores the interactions between natural systems, human health, and social organization. As decision makers require a sound, modular approach to environmental management and sustainable development, ecosystem health assessment indicators are increasingly used across any number of applications. The Handbook of Ecologic
Author: Sven E. Jorgensen
Publisher: CRC Press
ISBN: 9780203490181
Category : Technology & Engineering
Languages : en
Pages : 472
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Book Description
The field of ecosystem health explores the interactions between natural systems, human health, and social organization. As decision makers require a sound, modular approach to environmental management and sustainable development, ecosystem health assessment indicators are increasingly used across any number of applications. The Handbook of Ecologic
Author: J. A. Bakkes
Publisher: UNEP/Earthprint
ISBN: 9280714279
Category : Environmental indexes
Languages : en
Pages : 84
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309068452
Category : Science
Languages : en
Pages : 199
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Book Description
Environmental indicators, such as global temperatures and pollutant concentrations, attract scientists' attention and often make the headlines. Equally important to policymaking are indicators of the ecological processes and conditions that yield food, fiber, building materials and ecological "services" such as water purification and recreation. This book identifies ecological indicators that can support U.S. policymaking and also be adapted to decisions at the regional and local levels. The committee describes indicators of land cover and productivity, species diversity, and other key ecological processesâ€"explaining why each indicator is useful, what models support the indicator, what the measured values will mean, how the relevant data are gathered, how data collection might be improved, and what effects emerging technologies are likely to have on the measurements. The committee reviews how it arrived at its recommendations and explores how the indicators can contribute to policymaking. Also included are interesting details on paleoecology, satellite imagery, species diversity, and other aspects of ecological assessment. Federal, state, and local decision-makers, as well as environmental scientists and practitioners, will be especially interested in this new book.
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Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
How are the Great Lakes doing and what progress are we making in protecting and restoring them? These are two of the most frequently asked questions about the largest source of surface fresh water in the world. Unfortunately, we do not have simple answers for them. With the tremendous efforts and resources invested in restoration by governments, the private sector, and non-profit organizations in the United States and Canada over the past 40 years, we need to be able to respond much more clearly and definitively in the future. Recognizing this, the International Joint Commission (IJC) through its Science Advisory Board and Water Quality Board initiated a project to put the Great Lakes community in a position to respond. The focus of the work is to identify a limited number of ecosystem indicators especially important to the health of the Great Lakes basin ecosystem and which tell us the most about it. Extensive work has been done over the years to measure the condition of the Lakes as part of the State of the Lakes Ecosystem Conference (SOLEC), and this work will form the basis for many of the indicators. What is being done now is selecting "the fewest that tell us the most." The need for key indicators is even greater now with a new Great Lakes Water Quality Agreement (the Agreement) between the United States and Canada. The two countries have determined that we should be able to drink the water, eat the fish, and swim at the beaches. To assess progress toward these goals and the overall condition of the Lakes, the indicators presented in this report are aligned with the chemical, physical and biological integrity framework included in the Agreement. The focus here is on ecological indicators. Indicators for public health will be covered in a separate, but related, report.
Author: João Carlos Marques
Publisher: WIT Press
ISBN: 1845642090
Category : Technology & Engineering
Languages : en
Pages : 210
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Book Description
Ecological indicators address ecosystems structure and/or function and are commonly used to provide synoptic information about their state. Through quantitative representations of either the forces that steer ecosystems, responses to forcing functions, or of previous, current, or future states of an ecosystem, indicators are expected to reveal conditions and trends that will help in development planning and decision making processes. Ecological indicators combine numerous environmental factors in a single value, which may be useful in terms of management and in the development of ecological concepts, compliant with the general public's understanding. Nevertheless, their application is not exempt of criticisms, the first of which is that aggregation results in an oversimplification of the ecosystem under observation. Ecological indicators must therefore be handled following the right criteria and in situations that are consistent with its intended use and scope; otherwise they may drive to confusing interpretations of data.
Author: Sven Jørgensen
Publisher: CRC Press
ISBN: 1439809372
Category : Nature
Languages : en
Pages : 498
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Book Description
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 sust
Author: David Pimentel
Publisher: Island Press
ISBN: 161091063X
Category : Health & Fitness
Languages : en
Pages : 449
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Book Description
Global Integrity Project has brought together leading scientists and thinkers from around the world to examine the combined problems of threatened and unequal human well-being, degradation of the ecosphere, and unsustainable economies. Based on the proposition that healthy, functioning ecosystems are a necessary prerequisite for both economic security and social justice, the project is built around the concept of ecological integrity and its practical implications for policy and management. Ecological Integrity presents a synthesis and findings of the project. Contributors -- including Robert Goodland, James Karr, Orie Loucks, Jack Manno, William Rees, Mark Sagoff, Robert Ulanowicz, Philippe Crabbe, Laura Westra, David Pimentel, Reed Noss, and others -- examine the key elements of ecological integrity and consider what happens when integrity is lost or compromised. The book: examines historical and philosophical foundations of the concept of ecological integrity explores how integrity can be measured examines the relationships among ecological integrity, human health, and food production looks at economic and ethical issues that need to be considered in protecting ecological integrity offers concrete recommendations for reversing ecological degradation while promoting social and economic justice and welfare . Contributors argue that there is an urgent need for rapid and fundamental change in the ecologically destructive patterns of collective human behavior if society is to survive and thrive in coming decades. Ecological Integrity is a groundbreaking book that integrates environmental science, economics, law, and ethics in problem analysis, synthesis, and solution, and is a vital contribution for anyone concerned with interactions between human and planetary health.
Author: S. Marshall Adams
Publisher: C A B International
ISBN: 9780851996301
Category : Nature
Languages : en
Pages : 644
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Book Description
*Comprehensive discussion of environmental stressors affecting aquatic ecosystems and organisms *Contributions from leading scientists in the field *Practical manual for students and researchers on the use of biocriteria *A practical guide to the use of biocriteria for assessment of the effects of environmental stressors on aquatic ecosystems and organisms, especially fish. Written by scientists who are experts in their fields, this book provides helpful information for designing and applying bioindicators in the field to reliably assess the health of aquatic organisms and ecosystems. This volume may be used as a manual for scientists, students, and others, in a variety of disciplines and applications
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ISBN:
Category : Great Lakes (North America)
Languages : en
Pages : 62
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Book Description
How are the Great Lakes doing and what progress are we making in protecting and restoring them? These are two of the most frequently asked questions about the largest source of surface fresh water in the world. Unfortunately, we do not have simple answers for them. With the tremendous efforts and resources invested in restoration by governments, the private sector, and non-profit organizations in the United States and Canada over the past 40 years, we need to be able to respond much more clearly and definitively in the future. Recognizing this, the International Joint Commission (IJC) through its Science Advisory Board and Water Quality Board initiated a project to put the Great Lakes community in a position to respond. The focus of the work is to identify a limited number of ecosystem indicators especially important to the health of the Great Lakes basin ecosystem and which tell us the most about it. Extensive work has been done over the years to measure the condition of the Lakes as part of the State of the Lakes Ecosystem Conference (SOLEC), and this work will form the basis for many of the indicators. What is being done now is selecting "the fewest that tell us the most." The need for key indicators is even greater now with a new Great Lakes Water Quality Agreement (the Agreement) between the United States and Canada. The two countries have determined that we should be able to drink the water, eat the fish, and swim at the beaches. To assess progress toward these goals and the overall condition of the Lakes, the indicators presented in this report are aligned with the chemical, physical and biological integrity framework included in the Agreement. The focus here is on ecological indicators. Indicators for public health will be covered in a separate, but related, report.
Author: Daniel H. McKenzie
Publisher: Springer
ISBN: 1461546591
Category : Science
Languages : en
Pages : 858
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Book Description
Today environmental problems of unprecedented magnitude confront planet earth. The sobering fact is that a whole range of human activities is affecting our global environment as profoundly as the billions of years of evolution that preceded our tenure on Earth. The pressure on vital natural resources in the developing world and elsewhere is intense, and the destruction of tropical forests, wildlife habitat, and other irreplaceable resources, is alarming. Climate change, ozone depletion, loss of genetic diversity, and marine pollution are critical global environmental concerns. Their cumulative impact threatens to destroy the planet's natural resources. The need to address this situation is urgent. More than at any previous moment in history, nature and ecological systems are in human hands, dependent on human efforts. The earth is an interconnected and interdependent global ecosystem, and change in one part of the system often causes unexpected change in other parts. Atmospheric, oceanic, wetland, terrestrial and other ecological systems have a finite capacity to absorb the environmental degradation caused by human behavior. The need for an environmentally sound, sustainable economy to ease this degradation is evident and urgent. Policies designed to stimulate economic development by foregoing pollution controls both destroy the long-term economy and ravage the environment. Over the years, we have sometimes drawn artificial distinctions between the health of individuals and the health of ecosystems. But in the real world, those distinctions do not exist.
