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Evaluating The Use Of In Vitro Bioassays For The Ecotoxicological Assessment Of Irish Estuarine Sediments
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Book Synopsis Evaluating the Use of in Vitro Bioassays for the Ecotoxicological Assessment of Irish Estuarine Sediments by :
Download or read book Evaluating the Use of in Vitro Bioassays for the Ecotoxicological Assessment of Irish Estuarine Sediments written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Sediments, as a repository for persistent anthropogenic contaminants, have the potential to cause deleterious effects in the aquatic environment. Particular attention to the quality of sediment is, therefore, warranted in the ecotoxicological risk assessment of aquatic systems. An assessment methodology combining chemical, ecotoxicological and ecological evaluations in a hierarchial test strategy, where toxicological significant and complexity increases with the tiers, is recommended for a thorough appraisal of sediment toxicity. The aim of the present study was to assess the potential of in vitro bioassays to be employed as screening tools got Tier 1 ecotoxicity evaluation of Irish estuarine sediments. Chemical analysis was conducted on all sediment samples to assist in interpreting any observed cytotoxicity. The potential toxicity of various exposure phases (solid phase, porewater and elutriate) from three estuarine sediment samples was evaluated using representative organisms from a number of trophic levels. The potential impact of the differing salinities of the sediment aqueous extracts, on the sensitivity of the bioassays, was also addressed. The selective sensitivities of the assays employed, demonstrated the value of using a multi-trophic, multi phase battery approach to sediment toxicity testing. Inhibition of bacterial bioluminescence and algal growth, were identified as sensitive bioassays for Tier 1 screening purposes. Immortal cell lines and primary epidermal cell cultures were used as representative vertebrate model systems. Initial studies were carried out using zinc metal salts as model environmental contaminants, to establish reference values which could be employed as test validity criteria for the sediment toxicity tests. This work also permitted an evaluation of the sensitivity of the cell cultures and the multiple endpoints utilised. The high sample osmolality of porewater extracts precluded their assessment using the cell culture assays. Of the.
Book Synopsis Integrated Approach to the Toxicity Evaluation of Irish Marine Sediments: Exotoxicological Assessment by :
Download or read book Integrated Approach to the Toxicity Evaluation of Irish Marine Sediments: Exotoxicological Assessment written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The quality of sediment in any aquatic ecosystem is vital to the health of that system. Sediments have been recognised as a major repository for persistent toxic substances. If sediments become sufficiently polluted they can lead to the disruption of surrounding natural biological communities. Therefore the monitoring of sediment quality is essential for successful ecosystem functioning in the marine environment. The aim of the present study was to employ an integrated approach of the toxicity evaluation of Irish marine sediments by correlating results of biotests with chemical analysis. Between 2004 and 2006 the Radiation and Environmental Science Centre (RESC) participate in three Biological Effects Quality Assurances in Monitoring Programme (BEQUALM) whole organism inter-calibration programmes. The aim of this study was to assess operator skill and ensure that the bioassay methods to be employed in this three and a half year project were fit for purpose and of a standard that was internationally acceptable. Chapters Three and Four describe the ecotoxicological evaluation of five organic contaminants frequently detected in marine sediments (Chapter three) and the effects of two metal contaminants (Chapter four) of concern (CdC12 and CuC12) on a battery of marine bioassays employed for sediment assessment. The sensitivity of each species varied for all compounds highlighting the importance of employing a battery of multitrophic bioassay for the ecotoxicological assessment of environmental samples. Suitability of the Microtox and T. battagliai tests for employment in TIE studies were further assess through spiking experiments with tributyltin. The potential toxicity of various exposure phases of sediment from around Ireland is assessed in Chapter five. In addition to the evaluation of multi-exposure phases the use of a battery of multi-trophic test species has been advocated by a number of researchers as testing of single or few organisms may not detect toxicants wi.
Book Synopsis Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards by :
Download or read book Index to Theses with Abstracts Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards written by and published by . This book was released on 2006 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sediment Quality Assessment by : Stuart Simpson
Download or read book Sediment Quality Assessment written by Stuart Simpson and published by CSIRO PUBLISHING. This book was released on 2016-02 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Sediment Quality Assessment by : Graeme Batley
Download or read book Sediment Quality Assessment written by Graeme Batley and published by CSIRO PUBLISHING. This book was released on 2016-02-01 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Coastal Shellfish — A Sustainable Resource by : Gavin M. Burnell
Download or read book Coastal Shellfish — A Sustainable Resource written by Gavin M. Burnell and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coastal populations of shellfish have been exploited by humans for millennia as an easily accessible source of fresh protein. Unfortunately, because the intertidal zone and the shallow coastal margins are so intertwined with man's activities, these shellfish stocks are now severely threatened around the world. Issues such as anthropogenic pollution, harmful algal blooms, overfishing, loss of habitat, and local stakeholder conflicts are all contributing to an alarming decline in the natural productivity of these regions. There have now been five International Conferences on Shellfish Restoration (ICSR) since 1996, which have focused the attention on transferring scientific knowledge into practical remedial and restorative actions for shellfish populations. This volume represents a selection of contributions from the third meeting in Cork, Ireland, 1999. It includes papers on lobsters, sea urchins, whelks, clams, mussels, and scallops, with a thematic emphasis on ranching, disease, environmental interactions, fisheries management, aquaculture, restoration, toxic algal blooms, and toxicity testing.
Book Synopsis Handbook of Ecotoxicology, Second Edition by : David J. Hoffman
Download or read book Handbook of Ecotoxicology, Second Edition written by David J. Hoffman and published by CRC Press. This book was released on 2002-11-13 with total page 1312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Ecotoxicology, Second Edition focuses on toxic substances and how they affect ecosystems worldwide. It presents methods for quantifying and measuring ecotoxicological effects in the field and in the lab, as well as methods for estimating, predicting, and modeling in ecotoxicology studies. Completely revised and updated with 18 new chapters, this second edition includes contributions from over 75 international experts. Also, a Technical Review Board reviewed all manuscripts for accuracy and currency. This authoritative work is the definitive reference for students, researchers, consultants, and other professionals in the environmental sciences, toxicology, chemistry, biology, and ecology - in academia, industry, and government.
Book Synopsis Small-scale Freshwater Toxicity Investigations by : Christian Blaise
Download or read book Small-scale Freshwater Toxicity Investigations written by Christian Blaise and published by Springer Science & Business Media. This book was released on 2005-10-24 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: This broad review is the first to gather comprehensive information on the complete contemporary range of toxicity testing procedures and hazard assessment procedures, which is normally scattered and difficult to find. The two-volume set provides a consistent, template-based approach, linking relevant information on background, theory and practice to each bioassay. Volume 2 examines hazard assessment schemes. Includes extensive glossary.
Download or read book Coal Tar Creosote written by C. Melber and published by WHO. This book was released on 2004 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: On cover: IPCS International Programme on Chemical Safety. Published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organization and the World Health Organization, and produced within the framework of the Inter-organization Programme for the Sound Management of Chemicals (IOMC)
Book Synopsis Environmental Impact of Ships by : Stephen de Mora
Download or read book Environmental Impact of Ships written by Stephen de Mora and published by Cambridge University Press. This book was released on 2020-11-05 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive, global review of the impact ships have on the environment, covering pollutant discharges, non-pollutant impacts and international legislation.
Book Synopsis Toxicological Profile for Polycyclic Aromatic Hydrocarbons by :
Download or read book Toxicological Profile for Polycyclic Aromatic Hydrocarbons written by and published by . This book was released on 1995 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mammals and Birds as Bioindicators of Trace Element Contaminations in Terrestrial Environments by : Elżbieta Kalisińska
Download or read book Mammals and Birds as Bioindicators of Trace Element Contaminations in Terrestrial Environments written by Elżbieta Kalisińska and published by Springer. This book was released on 2019-03-01 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt: The population explosion that began in the 1960s has been accompanied by a decrease in the quality of the natural environment, e.g. pollution of the air, water and soil with essential and toxic trace elements. Numerous poisonings of people and animals with highly toxic anthropogenic Hg and Cd in the 20th century prompted the creation of the abiotic environment, mainly in developed countries. However, the system is insufficient for long-term exposure to low concentrations of various substances that are mainly ingested through food and water. This problem could be addressed by the monitoring of sentinels – organisms that accumulate trace elements and as such reflect the rate and degree of environmental pollution. Usually these are long-lived vertebrates – herbivorous, omnivorous and carnivorous birds and mammals, especially game species. This book describes the responses of the sentinels most commonly used in ecotoxicological studies to 17 trace elements.
Book Synopsis Environmental Toxicology and Chemistry by :
Download or read book Environmental Toxicology and Chemistry written by and published by . This book was released on 2006 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cumulated Index Medicus written by and published by . This book was released on 1984 with total page 1100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Short-term Methods for Estimating the Chronic Toxicity of Effluents and Receiving Waters to Freshwater Organisms by :
Download or read book Short-term Methods for Estimating the Chronic Toxicity of Effluents and Receiving Waters to Freshwater Organisms written by and published by . This book was released on 1994 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Endocrine Disruptors in the Irish Aquatic Environment (2000-MS-2-M1) by : Heloise Tarrant
Download or read book Endocrine Disruptors in the Irish Aquatic Environment (2000-MS-2-M1) written by Heloise Tarrant and published by . This book was released on 2006 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bioindicators & Biomonitors by : Bernd A. Markert
Download or read book Bioindicators & Biomonitors written by Bernd A. Markert and published by Elsevier. This book was released on 2003-06-30 with total page 1024 pages. Available in PDF, EPUB and Kindle. Book excerpt: Table of contents
