Ecological Modeling In Risk Assessment


Ecological Modeling In Risk Assessment
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Ecological Modeling In Risk Assessment


Ecological Modeling In Risk Assessment
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Author : Robert A. Pastorok
language : en
Publisher: CRC Press
Release Date : 2016-04-19

Ecological Modeling In Risk Assessment written by Robert A. Pastorok and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Technology & Engineering categories.


Toxic chemicals can exert effects on all levels of the biological hierarchy, from cells to organs to organisms to populations to entire ecosystems. However, most risk assessment models express their results in terms of effects on individual organisms, without corresponding information on how populations, groups of species, or whole ecosystems may respond to chemical stressors. Ecological Modeling in Risk Assessment: Chemical Effects on Populations, Ecosystems, and Landscapes takes a new approach by compiling and evaluating models that can be used in assessing risk at the population, ecosystem, and landscape levels. The authors give an overview of the current process of ecological risk assessment for toxic chemicals and of how modeling of populations, ecosystems, and landscapes could improve the status quo. They present a classification of ecological models and explain the differences between population, ecosystem, landscape, and toxicity-extrapolation models. The authors describe the model evaluation process and define evaluation criteria. Finally, the results of the model evaluations are presented in a concise format with recommendations on modeling approaches to use now and develop further. The authors present and evaluate various models on the basis of their realism and complexity, prediction of relevant assessment endpoints, treatment of uncertainty, regulatory acceptance, resource efficiency, and other criteria. They provide models that will improve the ecological relevance of risk assessments and make data collection more cost-effective. Ecological Modeling in Risk Assessment serves as a reference for selecting and applying the best models when performing a risk assessment.



Ecological Modeling In Risk Assessment


Ecological Modeling In Risk Assessment
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Author : Robert A Pastorok
language : en
Publisher: CRC Press
Release Date : 2019-08-30

Ecological Modeling In Risk Assessment written by Robert A Pastorok and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-30 with categories.


Toxic chemicals can exert effects on all levels of the biological hierarchy, from cells to organs to organisms to populations to entire ecosystems. However, most risk assessment models express their results in terms of effects on individual organisms, without corresponding information on how populations, groups of species, or whole ecosystems may respond to chemical stressors. Ecological Modeling in Risk Assessment: Chemical Effects on Populations, Ecosystems, and Landscapes takes a new approach by compiling and evaluating models that can be used in assessing risk at the population, ecosystem, and landscape levels. The authors give an overview of the current process of ecological risk assessment for toxic chemicals and of how modeling of populations, ecosystems, and landscapes could improve the status quo. They present a classification of ecological models and explain the differences between population, ecosystem, landscape, and toxicity-extrapolation models. The authors describe the model evaluation process and define evaluation criteria. Finally, the results of the model evaluations are presented in a concise format with recommendations on modeling approaches to use now and develop further. The authors present and evaluate various models on the basis of their realism and complexity, prediction of relevant assessment endpoints, treatment of uncertainty, regulatory acceptance, resource efficiency, and other criteria. They provide models that will improve the ecological relevance of risk assessments and make data collection more cost-effective. Ecological Modeling in Risk Assessment serves as a reference for selecting and applying the best models when performing a risk assessment.



Ecological Models For Regulatory Risk Assessments Of Pesticides


Ecological Models For Regulatory Risk Assessments Of Pesticides
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Author : Pernille Thorbek
language : en
Publisher: CRC Press
Release Date : 2009-11-24

Ecological Models For Regulatory Risk Assessments Of Pesticides written by Pernille Thorbek and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-11-24 with Science categories.


Bringing together more than thirty influential regulators, academics, and industry scientists, Ecological Models for Regulatory Risk Assessments of Pesticides: Developing a Strategy for the Future provides a coherent, science-based view on ecological modeling for regulatory risk assessments. It discusses the benefits of modeling in the context of registrations, identifies the obstacles that prevent ecological modeling being used routinely in regulatory submissions, and explores the actions needed to overcome these obstacles. The book focuses on the following issues: Uncertainties in the process of model development, such as design, analysis, documentation, and communication The availability of data and background information needed for optimal modeling The limited knowledge of modeling The lack of confidence in the outcome of ecological models and their reliability in pesticide risk assessment It also suggests future solutions to these challenges, including: A guidance document on the modeling process Case studies that show how ecological models can provide reliable ecologically relevant risk assessments Training the people who generate or evaluate results obtained by ecological models Focusing on ecological models, such as unstructured population models, stage-structured matrix models, and individual- or agent-based models, this volume helps regulatory authorities, manufacturers, and scientists assess the risk of plant protection products in nontarget organisms. Armed with this knowledge, readers will better understand the challenges of using ecological modeling in the regulatory process.



Risk Assessment


Risk Assessment
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Author : Michael C. Newman
language : en
Publisher: CRC Press
Release Date : 1998-05-01

Risk Assessment written by Michael C. Newman and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-05-01 with Technology & Engineering categories.


Accurate risk assessments are vital to the protection of human, environmental, and ecosystem health. Risk Assessment provides a current, comprehensive reference for researchers and professionals concerned with environmental contamination as well as its effects on humans and ecosystems.



Environmental Modeling And Health Risk Analysis Acts Risk


Environmental Modeling And Health Risk Analysis Acts Risk
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Author : Mustafa Aral ARAL
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-07-28

Environmental Modeling And Health Risk Analysis Acts Risk written by Mustafa Aral ARAL and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-07-28 with Technology & Engineering categories.


Environmental Modeling and Health Risk Analysis (ACTS/RISK) The purpose of this book is to provide the reader with an integrated perspective on several ?elds. First, it discusses the ?elds of environmental modeling in general and multimedia (the term “multimedia” is used throughout the text to indicate that environmental transformation and transport processes are discussed in association with three environmental media: air, groundwater and surface water pathways) environmental transformation and transport processes in particular; it also provides a detailed description of numerous mechanistic models that are used in these ?elds. Second, this book presents a review of the topics of exposure and health risk analysis. The Analytical Contaminant Transport Analysis System (ACTS) and Health RISK Analysis (RISK) software tools are an integral part of the book and provide computational platforms for all the models discussed herein. The most recent versions of these two software tools can be downloaded from the publisher’s web site. The author recommends registering the software on the web download page so that users can receive updates about newer versions of the software.



A Review Of Models And Methods For Ecological Risk Assessment


A Review Of Models And Methods For Ecological Risk Assessment
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Author : Stephen Roast
language : en
Publisher:
Release Date : 2007

A Review Of Models And Methods For Ecological Risk Assessment written by Stephen Roast and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Ecological assessment (Biology) categories.




Ecological Risk Assessment


Ecological Risk Assessment
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Author : Glenn W. Suter II
language : en
Publisher: CRC Press
Release Date : 1992-10-23

Ecological Risk Assessment written by Glenn W. Suter II and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-10-23 with Technology & Engineering categories.


Recently, environmental scientists have been required to perform a new type of assessment-ecological risk assessment. This is the first book that explains how to perform ecological risk assessments and gives assessors access to the full range of useful data, models, and conceptual approaches they need to perform an accurate assessment. It explains how ecological risk assessment relates to more familiar types of assessments. It also shows how to organize and conduct an ecological risk assessment, including defining the source, selecting endpoints, describing the relevant features of the receiving environment, estimating exposure, estimating effects, characterizing the risks, and interacting with the risk manager. Specific technical topics include finding and selecting toxicity data; statistical and mathematical models of effects on organisms, populations, and ecosystems; estimation of chemical fate parameters; modeling of chemical transport and fate; estimation of chemical uptake by organisms; and estimation, propagation, and presentation of uncertainty. Ecological Risk Assessment also covers conventional risk assessments, risk assessments for existing contamination, large scale problems, exotic organisms, and risk assessments based on environmental monitoring. Environmental assessors at regulatory agencies, consulting firms, industry, and government labs need this book for its approaches and methods for ecological risk assessment. Professors in ecology and other environmental sciences will find the book's practical preparation useful for classroom instruction. Environmental toxicologists and chemists will appreciate the discussion of the utility for risk assessment of particular toxicity tests and chemical determinations.



Environmental Toxicology And Risk Assessment


Environmental Toxicology And Risk Assessment
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Author : F. James Dwyer
language : en
Publisher: ASTM International
Release Date : 1997

Environmental Toxicology And Risk Assessment written by F. James Dwyer and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Environmental health categories.




Population Level Ecological Risk Assessment


Population Level Ecological Risk Assessment
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Author : Lawrence W. Barnthouse
language : en
Publisher: CRC Press
Release Date : 2007-09-25

Population Level Ecological Risk Assessment written by Lawrence W. Barnthouse and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-25 with Technology & Engineering categories.


Most ecological risk assessments consider the risk to individual organisms or organism-level attributes. From a management perspective, however, risks to population-level attributes and processes are often more relevant. Despite many published calls for population risk assessment and the abundance of available scientific research and technical tools assessing risks to populations, risk assessors worldwide still have difficulty determining how population level considerations can be integrated into environmental decision-making. Population-Level Ecological Risk Assessment establishes a framework for goals, methods, and data needs for different assessment applications and for integrating population-level risk assessment into risk management decisions. Beginning with a summary of legal, regulatory, business, and other contexts, the book presents population-level ecological risk assessment as an internationally recognized, science-based tool and offers specific recommendations for using this tool to support environmental management decisions. It gives clear, explicit, operational population assessment definitions and explains the relevance of density dependence, genetics, and spatial considerations, as well as applicable lessons from conservation biology and natural resource management. The authors provide a "tool box" of empirical and modeling methods and describe the general approaches, assumptions, data requirements, strengths, and limitations of each method. They establish a working foundation for designing and conducting population-level ecological risk assessments consistent with North American, European, and Japanese risk management approaches. The book concludes by highlighting key considerations needed to improve the scientific quality and interpretation of assessments. Detailed appendices include examples of population-level assessment approaches applicable to specific environmental management contexts, a modeling case study, and a supplemental reading list.



Spatial Modeling And Assessment Of Environmental Contaminants


Spatial Modeling And Assessment Of Environmental Contaminants
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Author : Pravat Kumar Shit
language : en
Publisher: Springer Nature
Release Date : 2021-02-05

Spatial Modeling And Assessment Of Environmental Contaminants written by Pravat Kumar Shit and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-02-05 with Science categories.


This book demonstrates the measurement, monitoring and mapping of environmental contaminants in soil & sediment, surface & groundwater and atmosphere. This book explores state-of-art techniques based on methodological and modeling in modern geospatial techniques specifically focusing on the recent trends in data mining techniques and robust modeling. It also presents modifications of and improvements to existing control technologies for remediation of environmental contaminants. In addition, it includes three separate sections on contaminants, risk assessment and remediation of different existing and emerging pollutants. It covers major topics such as: Radioactive Wastes, Solid and Hazardous Wastes, Heavy Metal Contaminants, Arsenic Contaminants, Microplastic Pollution, Microbiology of Soil and Sediments, Soil Salinity and Sodicity, Aquatic Ecotoxicity Assessment, Fluoride Contamination, Hydrochemistry, Geochemistry, Indoor Pollution and Human Health aspects. The content of this book will be of interest to researchers, professionals, and policymakers whose work involves environmental contaminants and related solutions.