Development of a Food Web Model to Develop Sediment Target Levels for Selected Persistent Organic Pollutants in Burrard Inlet PDF Download
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Author: Diego C. E. Natale Publisher: ISBN: Category : Environmental monitoring Languages : en Pages : 0
Book Description
This study reports the development and testing of a computer simulation model of the fate of Persistent Organic Pollutants (POPs) in Burrard Inlet. POPs are introduced into Burrard Inlet by a number of sources including both, point sources and non-point sources. Once introduced to the inlet, contaminants are subject to physical, chemical and biological processes that lead to dispersion and accumulation in different matrices of the marine environment. The main purpose of the model is to provide a comprehensive ecosystem-level assessment of the fate of contaminants in Burrard Inlet to characterize the relationship between concentrations of POPs in sediments and organisms of Burrard Inlet food-web. The results provided significant evidence of bioaccumulation of a PCB mixture in some key biological receptors in the food web and also include recommendations for the development of sediment target levels and loading for PCBs in support management decisions regarding POPs in Burrard Inlet.
Author: Diego C. E. Natale Publisher: ISBN: Category : Environmental monitoring Languages : en Pages : 0
Book Description
This study reports the development and testing of a computer simulation model of the fate of Persistent Organic Pollutants (POPs) in Burrard Inlet. POPs are introduced into Burrard Inlet by a number of sources including both, point sources and non-point sources. Once introduced to the inlet, contaminants are subject to physical, chemical and biological processes that lead to dispersion and accumulation in different matrices of the marine environment. The main purpose of the model is to provide a comprehensive ecosystem-level assessment of the fate of contaminants in Burrard Inlet to characterize the relationship between concentrations of POPs in sediments and organisms of Burrard Inlet food-web. The results provided significant evidence of bioaccumulation of a PCB mixture in some key biological receptors in the food web and also include recommendations for the development of sediment target levels and loading for PCBs in support management decisions regarding POPs in Burrard Inlet.
Author: Yongshu Fan Publisher: ISBN: Category : Bioaccumulation Languages : en Pages : 0
Book Description
This project developed and tested a bioenergetic/bioaccumulation model to predict concentrations, bioconcentration factors, bioaccumulation factors (BAF) and trophic magnification factors of persistent organic pollutants (POPs) in organisms in terrestrial and aquatic food webs. This is the first bioaccumulation model that conserves both mass of chemical and energy. This model was tested against concentrations of various POPs in wildlife of Canadian Arctic terrestrial and Lake Ontario aquatic food webs. The model is shown to predict BAFs of POPs in organisms that are in good agreement with observed BAFs as indicated by the model bias, which ranged from 0.62 to 3.70. A comparison of the behaviour of the new model to that of a previous aquatic BAF model by Arnot and Gobas (2004) shows that the models are comparable in their ability to predict BAFs. The model can be used for bioaccumulation screening of chemicals in both aquatic and terrestrial animals.
Author: Ronald A. Hites Publisher: Springer Science & Business Media ISBN: 9783540291688 Category : Science Languages : en Pages : 468
Book Description
Pollution threatens the Laurentian Great Lakes and is a serious problem. This book examines what is known about the major classes of persistent toxic organic pollutants. Agricultural runoff, urban waste, industrial discharge, landfill leachate, and atmospheric deposition, are all to blame. Contamination of the various ecosystems is reviewed, and what is known about the effects of this pollution. This volume provides an invaluable resource for those in environmental research, measurements, and decision making concerning the Great Lakes.
Author: K. L. Kimbrough Publisher: ISBN: Category : Bivalves Languages : en Pages : 96
Book Description
This report represents the first national assessment of PBDEs in the U.S. coastal zone. Results suggest that they are widely distributed nationally. Several regions, including the northern Mid-Atlantic, central Gulf of Mexico, Southern California, Pacific Northwest and the Great lakes have elevated PBDE concentrations compared with other coastal regions. Furthermore, PBDE concentrations are positively correlated with human population density along the U.S. coastline. The national and regional perspectives provided herein are intended to support research, local monitoring, and to assist resource managers and policy makers tasked with making regulatory decisions about these contaminants.
Author: Simon Jungblut Publisher: Springer Nature ISBN: 3030203891 Category : Aquatic biology Languages : en Pages : 378
Book Description
This open access book summarizes peer-reviewed articles and the abstracts of oral and poster presentations given during the YOUMARES 9 conference which took place in Oldenburg, Germany, in September 2018. The aims of this book are to summarize state-of-the-art knowledge in marine sciences and to inspire scientists of all career stages in the development of further research. These conferences are organized by and for young marine researchers. Qualified early-career researchers, who moderated topical sessions during the conference, contributed literature reviews on specific topics within their research field. .
Author: Graeme Batley Publisher: CSIRO PUBLISHING ISBN: 1486303862 Category : Science Languages : en Pages : 332
Book Description
Contaminated sediments represent an ongoing threat to the health of aquatic ecosystems. The assessment of sediment quality is, therefore, an important concern for environmental regulators. Sediment quality guidelines are now well established in regulatory frameworks worldwide; however, practical guidance that covers all of the key aspects of sediment quality assessment is not readily available. In 2005, CSIRO published its highly cited Handbook for Sediment Quality Assessment. In the ensuing period, the science has advanced considerably. This practical guide is a revised and much expanded second edition, which will be a valuable tool for environmental practitioners. Written by experts in the field, it provides coverage of: sediment sampling; sample preparation; chemical analysis; ecotoxicology; bioaccumulation; biomarkers; and ecological assessment. In addition, detailed appendices describe protocols for many of the tests to be used.
Author: Diego C. E. Natale
Author: Diego C. E. Natale
Author: Yongshu Fan
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Author: 
Author: Ronald A. Hites
Author: K. L. Kimbrough
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Author: Simon Jungblut
Author: Graeme Batley
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