ecosystem responses to mercury contamination indicators of change society of environmental toxicology and chemistry

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Ecosystem Responses To Mercury Contamination

Author : Reed Harris
ISBN : 0849388899
Genre : Science
File Size : 52. 59 MB
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As rising levels of mercury in the environment pose an increasing threat of toxicity to humans and wildlife, several laws already call for industries to reduce mercury emissions at the source. Ecosystem Responses to Mercury Contamination: Indicators of Change outlines the infrastructure and methods needed to measure, monitor, and regulate the concentration of mercury present in the environment. This book draws on the knowledge of forty international experts in the fields of atmospheric transport and deposition, mercury cycling in terrestrial and aquatic ecosystems, and mercury bioaccumulation in aquatic foodwebs and wildlife. The authors propose a set of indicators to use as a measure of changing mercury concentrations in the environment. Next, they recommend a monitoring strategy and offer guidance for determining systematic changes in concentration. Then the authors examine additional monitoring strategies to relate observed changes in concentration to regulatory controls on mercury emissions. The final chapter provides an integrated framework for establishing a national-scale program to monitor mercury concentrations in the environment. Ecosystem Responses to Mercury Contamination: Indicators of Change contains the information needed to design a large-scale monitoring program for mercury and to use the concentration data to create, enforce, and evaluate the progress of initiatives aimed at reducing mercury emissions.

Mercury In Fish Bed Sediment And Water From Streams Across The United States 1998 2005

Author : Barbara C. Scudder
ISBN : 9781437921137
Genre :
File Size : 73. 93 MB
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Report on how mercury (Hg) was examined in top-predator fish, bed sediment, and water from streams that spanned regional and national gradients of Hg source strength and other factors thought to influence methylmercury bioaccum. Sampled settings include stream basins that were agr¿l, urbanized, undeveloped, and mined. Predator fish were targeted for collection, and composited samples of fish were analyzed for total Hg (THg), as most of the Hg found in fish tissue is MeHg. Samples of bed sediment and stream water were analyzed for THg, MeHg, and characteristics thought to affect Hg methylation, such as loss-on-ignition and acid-volatile sulfide in bed sediment, and pH, dissolved organic carbon, and dissolved sulfate in water. Illus.

Valuation Of Ecological Resources

Author : Ralph G. Stahl, Jr.
ISBN : 1420062638
Genre : Science
File Size : 66. 52 MB
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Choosing the optimal management option requires environmental risk managers and decision makers to evaluate diverse, and not always congruent, needs and interests of multiple stakeholders. Understanding the trade-offs of different options as well as their legal, economic, scientific, and technological implications is critical to performing accurate assessments and making sound decisions. Valuation of Ecological Resources: Integration of Ecology and Socioeconomics in Environmental Decision Making examines various alternatives for determining the “value” of complex ecological resources. The book discusses how ecology, sociology, and economics influence environmental management decisions. The book further explores the scientific underpinnings of ecological valuation and the roles of regulatory and legislative bodies in the decision-making process. A series of case studies demonstrates the utility of various information sets, tools, and analytical frameworks. Summarizes the conclusions reached by the Ecological Risk Assessment Advisory Group during special workshops conducted by the Society of Environmental Toxicology and Chemistry (SETAC) Written by leading experts from industry, academia, and environmental regulatory agencies, this new text is an excellent resource for self-study as well as for courses in industrial ecology, environmental management, ecological risk assessment, environmental policy, and strategies for sustainability and corporate responsibility.

Encyclopedia Of Environmental Change

Author : John A Matthews
ISBN : 9781473928190
Genre : Nature
File Size : 90. 12 MB
Format : PDF
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Accessibly written by a team of international authors, the Encyclopedia of Environmental Change provides a gateway to the complex facts, concepts, techniques, methodology and philosophy of environmental change. This three-volume set illustrates and examines topics within this dynamic and rapidly changing interdisciplinary field. The encyclopedia includes all of the following aspects of environmental change: Diverse evidence of environmental change, including climate change and changes on land and in the oceans Underlying natural and anthropogenic causes and mechanisms Wide-ranging local, regional and global impacts from the polar regions to the tropics Responses of geo-ecosystems and human-environmental systems in the face of past, present and future environmental change Approaches, methodologies and techniques used for reconstructing, dating, monitoring, modelling, projecting and predicting change Social, economic and political dimensions of environmental issues, environmental conservation and management and environmental policy Over 4,000 entries explore the following key themes and more: Conservation Demographic change Environmental management Environmental policy Environmental security Food security Glaciation Green Revolution Human impact on environment Industrialization Landuse change Military impacts on environment Mining and mining impacts Nuclear energy Pollution Renewable resources Solar energy Sustainability Tourism Trade Water resources Water security Wildlife conservation The comprehensive coverage of terminology includes layers of entries ranging from one-line definitions to short essays, making this an invaluable companion for any student of physical geography, environmental geography or environmental sciences.

Habitat Population Dynamics And Metal Levels In Colonial Waterbirds

Author : Joanna Burger
ISBN : 9781138032088
Genre : Nature
File Size : 40. 6 MB
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This book is a result of the authors’ more than 40 years of study on the behavior, populations, and heavy metals in the colonial waterbirds nesting in Barnegat Bay and the nearby estuaries and bays in the Northeastern United States. From Boston Harbor to the Chesapeake, based on longitudinal studies of colonial waterbirds, it provides a clear picture of the toxic trends and effects of heavy metals in the aquatic environment. The authors take a food web, ecosystem approach to contaminants, using population dynamics, habitat selection, and inputs to the bay to examine metal levels. They also look at the human dimension, discuss what metals in birds tell us about human exposure, and describe stakeholder involvement in these issues. The book covers numbers and dynamics, colony sites and locations, and prey contaminant levels, and compares them to other comparable coastal estuaries. It uses colonial waterbirds as the focal point for an ecosystem approach to metals that begins with prey fish and goes through invertebrates to humans. Additionally, it provides information based on long-term integrative studies the authors have done on metal levels and bird species and compares the findings with data from the Harbor Estuaries Program, other Northeast bays, the Great Lakes, and the Wadden Sea.

Congressional Record

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ISBN :
Genre :
File Size : 38. 61 MB
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Mercury In Fish Bed Sediment And Water From Streams Across The United States 1998 2005

Author :
ISBN : MINN:31951D03116325W
Genre : Fishes
File Size : 46. 23 MB
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Environmental Life Cycle Costing

Author : David Hunkeler
ISBN : STANFORD:36105131662863
Genre : Business & Economics
File Size : 57. 79 MB
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Balances Scientific and Economic Points of View to Thoroughly Address Management Issues Responding to the need for clarification and benchmarks, Environmental Life Cycle Costing provides the fundamental basis on which to establish a definitive methodology. Clearly defining environmental LCC, this book balances scientific and economic points of view and thoroughly addresses the management perspective. Demonstrates the Process From Problem Definition to Analysis, to Presentation The book focuses on environmental LCC but also analyzes conventional LCC and societal LCC, providing case studies for each. It presents the link between life cycle costing and life cycle assessment and then explores public, private, and societal options. The book also explains all components of the method using the cross-cutting example of a washing machine. It also provides categorizations that permit the method to be adapted or streamlined as a function of the time available to the practitioner. Case study boxes demonstrate the process for carrying out an LCC, from problem definition to analysis and ultimate presentation to the decision maker. Experts Integrate Conventional Thinking with Emerging Ideas Environmental LCC summarizes all costs associated with the life cycle of a product regardless of who bears those costs. It includes present and future money flows as well as those to be internalized in the decision relevant future. A collaboration of experts at the forefront of research, this book ties conventional thinking on life cycle costs into emerging theory and practice by including environmental and social cost analyses and linking LCC to the environmental and social pillars of sustainability.

Ecotoxicology Of Amphibians And Reptiles

Author : Donald W. Sparling
ISBN : 1420064169
Genre : Nature
File Size : 58. 28 MB
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One of the major factors behind the writing of the First Edition was the worldwide phenomenon of declining amphibian populations. Although this decline has not abated, the breadth of research into its causes has expanded significantly. This book provides an authoritative compendium of the most recent information.

Hemispheric Transport Of Air Pollution 2010

Author :
ISBN : NYPL:33433089541035
Genre : Air
File Size : 30. 37 MB
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The Task Force on Hemispheric Transport of Air Pollution (TF HTAP) was created by the Convention on Long-range Transboundary Air Pollution (LRTAP Convention) in December 2004 to improve the understanding of the intercontinental transport of air pollutants across the Northern Hemisphere. This multivolume assessment produced by the TF HTAP reviews the state-of-the-science with respect to the intercontinental transport of ozone (O3), particulate matter (PM), mercury (Hg), and persistent organic pollutants (POPs).

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