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161.
Karl Theo von der Trenck Frank Baum Heiner Hartwig Rainer Malisch Friedrich Schilling Hans-Peter Straub Ralf-Dieter Zimmermann 《Environmental Sciences Europe》2006,18(4):228-241
Goal and Scope
Organochlorine pollutants such as some pesticides and polychlorinated biphenyls (PCBs), dioxins and furans (PCDD/F) are highly persistent compounds in the environment. As synthetic, man-made products they are not encountered in natural ecosystems. Due to their high lipid solubility these compounds can accumulate in animals and humans, where they may exert chronically toxic and carcinogenic effects or disrupt endocrine functions and/or interfere with reproduction. Sound environmental stewardship demands continuous monitoring of such substances, assessment of their ecotoxicological risk, and reduction of excessive risk by setting appropriate standards.Methods
The analysis of birds’ eggs is one method for the detection of organochlorine pollutants in ecosystems. In the German state of Baden-Wuerttemberg eggs of some bird species, especially Peregrine falcons, have been collected and analysed for selected persistent organic pollutants [total DDT (dichlorodiphenyl-trichloroethane), HCB (hexachlorobenzene), HCEP (heptachloroepoxide), HCH (hexachlorocyclohexane), PCBs] since the 1970s. Long-term continuous investigations yield data concerning temporal changes and regional differences in the pollution of the bio-indicators.Results and Conclusion
Dioxin-like PCBs and total DDT were the most prominent pollutants. The Peregrine falcon (Falco peregrinus) was the most polluted bird species within the project. During the 1970s and 1980s all of the mentioned substances showed an encouraging decrease, undoubtedly because their use was banned in Germany. Analyses for PCDD/F in a small number of Peregrine falcon eggs from the period of 2000 to 2003 revealed the high level of pollution of these samples with dioxin toxicity equivalents (WHO-TEQ) from PCB and PCDD/F, which in all eggs reached the no observed effect level (NOEL) determined in osprey chicks and surpassed this threshold fivefold in the most polluted one.. Because of their great variability the pollutant concentrations in the eggs were difficult to interprete in some cases. Based on the results for the Peregrine falcon eggs of the years 2001 to 2003 a statement concerning the regional distribution of DDT and PCBs in Baden-Wuerttemberg could be made and depicted on the map. Because of their high lipid content, birds’ eggs are generally well suited as bio-indicators for the accumulation of persistent and lipophilic compounds.Recommendations and Perspective
In spite of the significant decline of the organochlorine concentrations in the eggs of the birds investigated, the present situation is still alarming. Too many of the analytical data continue to exceed the respective national and EU-wide limit values for food and feed, and in the case of dioxin equivalents even lie above the assumed action threshold in the indicator organism. Therefore it is necessary to continue the bio-monitoring in Baden-Wuerttemberg in order to be able to recommend reduction measures where appropriate. 相似文献162.
Ralf-Dieter Zimmermann Rosemarie Umlauff-Zimmermann 《Umweltwissenschaften und Schadstoff-Forschung》2000,12(6):307-309
Einführung Beitragsserie POPs
Persistente Organische Schadstoffe Persistent Organic Pollutants, POPs 相似文献163.
164.
George Myerson Yvonne Rydin Carolyn Harrison Marjorie Mayo Patsy Healey Jon Vernon Nick Williams Tim Brindley Ted Trainer Allan R. Jones Judy Walker 《Local Environment》1997,2(3):329-345
Green Culture: environmental rhetoric in contemporary America. C. G. Herndl & S. C. Brown (Eds), 1996, Madison, WI, University of Wisconsin Press, 315 pp. ISBN 0 229 14990 0, £35.95 (hbk) ISBN 0 299 14994 3, £17.50 (pbk)
Earthtalk: communication empowerment for environmental action. S. A. Muir & T. L. Veenendall, 1996, Westport, CT, Praeger, Praeger Series in Political Communication, 233 pp. ISBN 0 275 953700 X, £47.95
Environmentalism and Cultural Theory. Kay Milton, 1996 London & New York, Routledge, 266 pp. ISBN 0 415 115529 9, £45.00 (hbk) ISBN 0 415 11530 2, £13.99 (pbk)
Local Environmental Struggles: citizen activism in the treadmill of production. Kenneth A. Gould, Allan Schnaiberg & Adam S. Weinberg, 1996, Cambridge University Press, 239 pp. ISBN 0 521 55519 1, £40.00 (hbk) ISBN 0 521 55521 3, £14.95 (pbk)
The Language of Environment: a new rhetoric. George Myerson & Yvonne Rydin, 1996 London, UCL Press, 264 pp. ISBN 1 85728 330 9, £35.00 (hbk) ISBN 1 85728 331 7, £11.95 (pbk)
Environmental Issues and Business: implications of a changing agenda. Sally Eden, 1996, Chichester, Wiley, ISBN 0 471 94872 1, £25.00
Green Shift: towards a green sensibility in architecture. John Farmer, edited by Kenneth Richardson, 1996, Oxford, Butterworth Architecture, with World-Wide Fund for Nature, ISBN 07506 15303
Lewis Mumford and the Ecological Region: the politics of planning. Mark Luccarelli, 1995, New York, Guilford Press, ISBN 1572300019, £19.95
The Ecology of Hope: communities collaborate for sustainability. Ted Bernard & Jora Young, 1997, East Haven, CT, New Society Publishers, 233 pp. ISBN 0 86571 355 33 (pbk)
Turning the Tide: integrated local area management for Australia's coastal zone. Valerie A. Brown, 1995, Canberra, Australia, Department of the Environment, Sport and Territories
Involving Communities in Forestry through Community Participation. Forestry Practice Guide 10, Forestry Commission
The Scope for Community Participation in Forest Management. A Report for the Forestry Commission and Scottish Office by Bill Slee, Gill Clark & Patrick Snowdon, £10 (£15 non UK)
The Role of Woodlands in Meeting Planning Objectives in Great Britain. A Report for the Forestry Commission by Professor Paul Selman 相似文献
Earthtalk: communication empowerment for environmental action. S. A. Muir & T. L. Veenendall, 1996, Westport, CT, Praeger, Praeger Series in Political Communication, 233 pp. ISBN 0 275 953700 X, £47.95
Environmentalism and Cultural Theory. Kay Milton, 1996 London & New York, Routledge, 266 pp. ISBN 0 415 115529 9, £45.00 (hbk) ISBN 0 415 11530 2, £13.99 (pbk)
Local Environmental Struggles: citizen activism in the treadmill of production. Kenneth A. Gould, Allan Schnaiberg & Adam S. Weinberg, 1996, Cambridge University Press, 239 pp. ISBN 0 521 55519 1, £40.00 (hbk) ISBN 0 521 55521 3, £14.95 (pbk)
The Language of Environment: a new rhetoric. George Myerson & Yvonne Rydin, 1996 London, UCL Press, 264 pp. ISBN 1 85728 330 9, £35.00 (hbk) ISBN 1 85728 331 7, £11.95 (pbk)
Environmental Issues and Business: implications of a changing agenda. Sally Eden, 1996, Chichester, Wiley, ISBN 0 471 94872 1, £25.00
Green Shift: towards a green sensibility in architecture. John Farmer, edited by Kenneth Richardson, 1996, Oxford, Butterworth Architecture, with World-Wide Fund for Nature, ISBN 07506 15303
Lewis Mumford and the Ecological Region: the politics of planning. Mark Luccarelli, 1995, New York, Guilford Press, ISBN 1572300019, £19.95
The Ecology of Hope: communities collaborate for sustainability. Ted Bernard & Jora Young, 1997, East Haven, CT, New Society Publishers, 233 pp. ISBN 0 86571 355 33 (pbk)
Turning the Tide: integrated local area management for Australia's coastal zone. Valerie A. Brown, 1995, Canberra, Australia, Department of the Environment, Sport and Territories
Involving Communities in Forestry through Community Participation. Forestry Practice Guide 10, Forestry Commission
The Scope for Community Participation in Forest Management. A Report for the Forestry Commission and Scottish Office by Bill Slee, Gill Clark & Patrick Snowdon, £10 (£15 non UK)
The Role of Woodlands in Meeting Planning Objectives in Great Britain. A Report for the Forestry Commission by Professor Paul Selman 相似文献
165.
166.
167.
The determination and assessment of mixtures of different and complex indoor pollutants is difficult. This investigation was performed in order to determine the effects of pollutants closely bound to household-dust. The approach ist not the determination of single compounds but of all pollutants (sum parameter). For this reason a new method was developed with which househould dust samples are introduced in the Microtox®-Text System to quantify the effect of pollutants. Some of the methods tested revealed good results, however, further research and investigations on the basis of the data already obtained are necessary. 相似文献
168.
169.
170.
Our ecological footprint analyses of coral reef fish fisheries and, in particular, the live reef fish food trade (FT), indicate many countries' current consumption exceeds estimated sustainable per capita global, regional and local coral reef production levels. Hong Kong appropriates 25% of SE Asia's annual reef fish production of 135 260-286 560 tonnes (t) through its FT demand, exceeding regional biocapacity by 8.3 times; reef fish fisheries demand out-paces sustainable production in the Indo-Pacific and SE Asia by 2.5 and 6 times. In contrast, most Pacific islands live within their own reef fisheries means with local demand at < 20% of total capacity in Oceania. The FT annually requisitions up to 40% of SE Asia's estimated reef fish and virtually all of its estimated grouper yields. Our results underscore the unsustainable nature of the FT and the urgent need for regional management and conservation of coral reef fisheries in the Indo-Pacific. 相似文献