ORGANIC POLLUTANTS: AN ECOTOXICOLOGICAL PERSPECTIVE - CHAPTER 15 (end) doc

... Walker CHAPTER 15 The environmental impact of organic pollutants: future prospects 15. 1 Introduction During the second half of the twentieth century it was discovered that a number of organic pollutants ... (ed.) (1994) Handbook of Ecotoxicology, vols 1 and 2. Oxford: Blackwell Science. C HAPMAN, R. A. and HARRIS, C. R. (1981) Persistence of pyrethroid insecticides in a mineral an...

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... including acting as an estrogen (o,pb-DDT and p,pb-DDT) and an antian- drogen (p,pb-DDE). Concentrations in most environments, however, are generally now at, or below, the no-observed-effect levels. ... the anuran species Rana pipiens, Rana sylvatica, and Bufo americanus (Allran and Karasov 2001). Studies by Hayes et al. have suggested that atrazine can induce hermaphrodit- ism in amph...

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... Environmental Health Perspectives 113, 1299–1307. © 2009 by Taylor & Francis Group, LLC 320 Organic Pollutants: An Ecotoxicological Perspective, Second Edition for ecotoxicological research and the development ... Reading, UK. Fernandez-Salguero, P.M., Hilbert, D.M., and Rudikoff, S. et al. (1996). Aryl-hydrocarbon receptor-decient mice are resistant to 2,3,7,8-tetrachlorodib...

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... an ecotoxicological perspective / Colin H. Walker. 2nd ed. p. cm. Includes bibliographical references and index. ISBN 97 8-1 -4 20 0-6 25 8-8 (alk. paper) 1. Organic compounds Toxicology. 2. Organic ...                               FIGURE 1.3 Some toxins from animals and microorganisms. © 2009...

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...      O     FIGURE 2 .15 Glutathione-S-transferase attack on organochlorine compounds. © 2009 by Taylor & Francis Group, LLC Factors Determining the Toxicity of Organic Pollutants to Animals and Plants 59 the ... Taylor & Francis Group, LLC Factors Determining the Toxicity of Organic Pollutants to Animals and Plants 31 inhibited by, planar molecules (e.g., planar P...

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... terrestrial and aquatic food chains, situations in which fate is determined by both biological and chemical processes. © 2009 by Taylor & Francis Group, LLC 70 Organic Pollutants: An Ecotoxicological ... examples illustrate the dangers of hasty or supercial judgment in envi- ronmental risk assessment, and the importance of rigorous case-by-case analysis. Another factor that can...

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... 14.3 in Chapter 14), as, for instance, in the case of changes in the transmission of action potential © 2009 by Taylor & Francis Group, LLC 94 Organic Pollutants: An Ecotoxicological Perspective, ... (b) Dis- appearance of persistent organochlorine insecticides from soils (from Walker et al. 2000). © 2009 by Taylor & Francis Group, LLC 92 Organic Pollutants: An Eco...

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... mouse, and not in birds (Korte and Arent 1965, Walker 1980, Chipman and Walker 1979). In general, © 2009 by Taylor & Francis Group, LLC 102 Organic Pollutants: An Ecotoxicological Perspective, ... herring, sand eel; (4) cod, whiting, shag, eider duck, herring gull; (5) cormorant, gannet, grey seal. © 2009 by Taylor & Francis Group, LLC 132 Organic Pollutants: An Eco...

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... & Francis Group, LLC 138 Organic Pollutants: An Ecotoxicological Perspective, Second Edition P450s of gene family 2 (CYP 2) are more catholic, and can metabolize both planar and nonplanar PCBs. Having ... log K ow 4,4b-DCB Coplanar 7.32 6.53 5.33 2b,3,4-TCB Coplanar 6.88 6.52 5.78 2,2b,5,5b-TCB Nonplanar 7.60 7.06 6.18 2,2b,4,5,5b-PCB Nonplanar 8.02 7.40 6.36 2,2b,3,3b,4,4b-HCB...

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... 160 Organic Pollutants: An Ecotoxicological Perspective, Second Edition was evidence of reduced reproductive success in 1994, and of high rates of aban- donment of nests and supernormal ... Taylor & Francis Group, LLC 152 Organic Pollutants: An Ecotoxicological Perspective, Second Edition process. Relatively high levels of 2,3,7,8-TCDD occurred in a herbicide formula- t...

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