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  • Articles  (188)
  • climate change
  • lead
  • mercury
  • 1995-1999  (188)
  • Energy, Environment Protection, Nuclear Power Engineering  (171)
  • Medicine  (17)
  • 1
    Electronic Resource
    Electronic Resource
    Influence of Prenatal Mercury Exposure Upon Scholastic and Psychological Test Performance: Benchmark Analysis of a New Zealand Cohort (1998)
    Springer
    Risk analysis 18 (1998), S. 701-713 
    Details
    ISSN: 1539-6924
    Keywords: Benchmark ; mercury ; risk assessment ; epidemiology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract This paper presents benchmark (BMD) calculations and additional regression analyses of data from a study in which scores from 26 scholastic and psychological tests administered to 237 6- and 7-year-old New Zealand children were correlated with the mercury concentration in their mothers' hair during pregnancy. The original analyses of five test scores found an association between high prenatal mercury exposure and decreased test performance, using category variables for mercury exposure. Our regression analyses, which utilized the actual hair mercury level, did not find significant associations between mercury and children's test scores. However, this finding was highly influenced by a single child whose mother's mercury hair level (86 mg/kg) was more than four times that of any other mother. When that child was omitted, results were more indicative of a mercury effect and scores on six tests were significantly associated with the mothers' hair mercury level. BMDs calculated from five tests ranged from 32 to 73 mg/kg hair mercury, and corresponding BMDLs (95% lower limits on BMDs) ranged from 17 to 24 mg/kg. When the child with the highest mercury level was omitted, BMDs ranged from 13 to 21 mg/kg, and corresponding BMDLs ranged from 7.4 to 10 mg/kg.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/B:RIAN.0000005917.52151.e6
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  • 2
    Electronic Resource
    Electronic Resource
    Risk Perceptions, General Environmental Beliefs, and Willingness to Address Climate Change (1999)
    Springer
    Risk analysis 19 (1999), S. 461-471 
    Details
    ISSN: 1539-6924
    Keywords: Risk perceptions ; climate change ; knowledge ; environmental beliefs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The research reported here examines the relationship between risk perceptions and willingness to address climate change. The data are a national sample of 1225 mail surveys that include measures of risk perceptions and knowledge tied to climate change, support for voluntary and government actions to address the problem, general environmental beliefs, and demographic variables. Risk perceptions matter in predicting behavioral intentions. Risk perceptions are not a surrogate for general environmental beliefs, but have their own power to account for behavioral intentions. There are four secondary conclusions. First, behavioral intentions regarding climate change are complex and intriguing. People are neither “nonbelievers” who will take no initiatives themselves and oppose all government efforts, nor are they “believers” who promise both to make personal efforts and to vote for every government proposal that promises to address climate change. Second, there are separate demographic sources for voluntary actions compared with voting intentions. Third, recognizing the causes of global warming is a powerful predictor of behavioral intentions independent from believing that climate change will happen and have bad consequences. Finally, the success of the risk perception variables to account for behavioral intentions should encourage greater attention to risk perceptions as independent variables. Risk perceptions and knowledge, however, share the stage with general environmental beliefs and demographic characteristics. Although related, risk perceptions, knowledge, and general environmental beliefs are somewhat independent predictors of behavioral intentions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007004813446
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  • 3
    Electronic Resource
    Electronic Resource
    Blei-, Cadmium- und Quecksilbereintrag durch Gewürze und Gewürzzubereitung in Wurstwaren (1995)
    Springer
    European journal of nutrition 34 (1995), S. 113-117 
    Details
    ISSN: 1436-6215
    Keywords: Blei ; Cadmium ; Quecksilber ; Gewürze ; Gewürzzubereitungen ; Wurstwaren ; Lead ; cadmium ; mercury ; spices ; condiments ; meat products
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Summary The lead and cadmium contents of 50 spices and 19 condiments were investigated by means of flameless atomic absorption spectrophotometry. Mercury contents were determined by cold vapor atomic absorption method including amalgamation. The mean concentrations of lead, cadmium, and mercury were 0.470 mg/kg, 0.080 mg/kg, and 0.005 mg/kg, respectively. By using the detected levels of these three heavy metals in model calculations only a small carry-over of lead, cadmium, and mercury in meat products by spices and condiments can be assumed.
    Notes: Zusammenfassung 50 Gewürze und 19 Gewürzzubereitungen wurden mittels flammenloser Atomabsorptionsspektrometrie auf ihren Blei- und Cadmiumgehalt sowie mittels Kaltdampftechnik und nachfolgender Amalgamierung auf ihren Quecksilbergehalt untersucht. Im Mittel wurden hierbei 0,470 mg Blei, 0,080 mg Cadmium und 0,005 mg Quecksilber pro kg Würzmittel gefunden. Anhand von Modellrechnungen wurde ein nur geringer Blei-, Cadmium- und Quecksilbereintrag über Würzmittel in die Wurstsorten Fleischwurst, Leberwurst und Mettwurst aufgezeigt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01636944
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  • 4
    Electronic Resource
    Electronic Resource
    An integrated analysis of sulfur emissions, acid deposition and climate change (1995)
    Springer
    Water, air & soil pollution 85 (1995), S. 1539-1550 
    Details
    ISSN: 1573-2932
    Keywords: acidification ; air pollution impacts ; climate change ; global change ; integrated modeling ; sulfur deposition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract This paper presents one of the first integrated analyses of acidification and climate change on a geographically-detailed basis, and the first linkage of integrated models for acid deposition (RAINS) and for climate change (IMAGE 2). Emphasis in this paper is on Europe. Trends in driving forces of emissions are used to compute anthropogenic SO2 emissions in 13 world regions. These emissions are translated into regional patterns of sulfur deposition in Europe and global patterns of sulfate aerosols using source-receptor matrices. Changes in climate are then computed based on changes in sulfate and greenhouse gases. Finally, we compute ecosystem areas affected by acid deposition and climate change based on exceedances of critical loads and changes in potential vegetation. Using this framework, information from global and regional integrated models can be used to link sulfur emissions with both their global and regional consequences. Preliminary calculations indicate that the size of European area affected by climate change in 2100 (58%) will be about the same as that affected by acid deposition in 1990. By the mid 21st century, about 14% of Europe's area may be affected by both acid deposition and climate change. Also, reducing sulfur emissions in Europe will have both the desirable impact of reducing the area affected by acid deposition, and the undesirable impact of enhancing climate warming in Europe and thus increasing the area affected by climate change. However, for the scenarios in this paper, the desirable impact of reducing sulfur emissions greatly outweighs its undesirable impact.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00477200
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  • 5
    Electronic Resource
    Electronic Resource
    Inhibitory mechanism of lead on transferrin-bound iron uptake by rabbit reticulocytes: A fractal analysis (1997)
    Springer
    Molecular and cellular biochemistry 173 (1997), S. 89-94 
    Details
    ISSN: 1573-4919
    Keywords: Inhibitory mechanism ; transferrin-bound iron uptake ; reticulocytes ; lead ; fractal analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Experimental data of transferrin and transferrin-bound iron uptake byrabbit reticulocytes in the presence or absence of extracellular lead isanalyzed by means of a fractal model. A highly significant correlation offractal dimension (Df) of intracellular transferrin or transferrin-boundiron uptake with varying extracellular concentrations of lead (0 ~ 25umol/L) was observed (Transferrin: r = 0.897, p = 0.015; transferrin-boundiron: r = 0.947, p = 0.004). The Df of membrane-bound transferrin (r =-0.618, p = 0.191) or transferrin-bound iron (r = 0.144, p = 0.786) did notappear to be markedly altered by lead. Further analysis shows thatinhibitory degree of lead on intracellular iron uptake is higher than thaton intracellular transferrin uptake. These results suggest that theinhibitory effect of lead on the iron uptake may occur in intracellularprocess rather than in membrane binding step, probably inhibitingtranslocation of iron across the endosomal membrane.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006884619972
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  • 6
    Electronic Resource
    Electronic Resource
    Assessing Effects of Mitigation Strategies for Global Climate Change with an Intertemporal Model of the U.S. Forest and Agriculture Sectors (1997)
    Springer
    Environmental and resource economics 9 (1997), S. 259-274 
    Details
    ISSN: 1573-1502
    Keywords: afforestation ; climate change ; intersectoral ; land-use change
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Notes: Abstract A model of product and land markets in U.S. forest and agricultural sectors is used to examine the private forest management, land use, and market implications of carbon sequestration policies implemented in a" least social cost" fashion. Results suggest: policy-induced land use changes may generate compensating land use shifts through markets; land use shifts to meet policy targets need not be permanent; implementation of land use and management changes in a smooth or regular fashion over time may not be optimal; and primary forms of adjustment to meet carbon policy targets involve shifting of land from agriculture to forest and more intensive forest management in combinations varying with the policy target.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1026409105660
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  • 7
    Electronic Resource
    Electronic Resource
    Assessing effects of mitigation strategies for global climate change with an intertemporal model of the U.S. forest and agriculture sectors (1997)
    Springer
    Environmental and resource economics 9 (1997), S. 259-274 
    Details
    ISSN: 1573-1502
    Keywords: afforestation ; climate change ; intersectoral ; land-use change
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Notes: Abstract A model of product and land markets in U.S. forest and agricultural sectors is used to examine the private forest management, land use, and market implications of carbon sequestration policies implemented in a “least social cost” fashion. Results suggest: policy-induced land use changes may generate compensating land use shifts through markets; land use shifts to meet policy targets need not be permanent; implementation of land use and management changes in a smooth or regular fashion over time may not be optimal; and primary forms of adjustment to meet carbon policy targets involve shifting of land from agriculture to forest and more intensive forest management in combinations varying with the policy target.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02441399
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  • 8
    Electronic Resource
    Electronic Resource
    Optimal greenhouse gas emissions under various assessments of climate change ambiguity (1996)
    Springer
    Environmental and resource economics 8 (1996), S. 129-140 
    Details
    ISSN: 1573-1502
    Keywords: climate change ; ambiguity ; optimal control
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Economics
    Notes: Abstract The probabilities associated with global warming damage are likely to be continuously revised in the light of new information. Such revisions of probability are the defining characteristic of ambiguity, as opposed to risk. This paper examines how climate change ambiguity may affect optimal greenhouse gas emission strategies, via the decision maker's attitude towards anticipated changes of damage probabilities. Two conceptualizations of ambiguity are distinguished, according to the emphasis placed on the ambiguity of priors or on the ambiguity of news, respectively. It is shown that the way in which ambiguity is viewed and the attitude taken towards it have a substantial influence on the optimal emission trajectory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00357360
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  • 9
    Electronic Resource
    Electronic Resource
    Factor biases and promoting sustainable development: Adaptation to drought in the Senegal River Basin (1996)
    Springer
    Mitigation and adaptation strategies for global change 1 (1996), S. 139-165 
    Details
    ISSN: 1573-1596
    Keywords: Adaptation ; agriculture ; agroforestry ; climate change ; drought ; ecological degradation ; factor bias ; Senegal ; sustainability ; social relations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract The ongoing drought in the Sahel region of West Africa highlights the vulnerability of food-producing systems to climate change and variability. Adaptation to climate should therefore increase the sustainability of agriculture under a long-term drought. Progress towards sustainability and adaptation in the the Senegal River Basin is hampered by an existing set of social and ecological relationships that define the control over the means of production and how people interact with their environment. These relationships are sensitive to the technological inputs and the administration of food production, or the factor bias in the different policy alternatives for rural development. One option is based on state-controlled, irrigated plantations to provide rice (Oryza) for the capital, Dakar. This policy emphasizes a top-down management approach, mechanized agriculture and a reliance on external inputs which strengthens the relationships introduced during the colonial period. A time series decomposition of the annual flow in the Senegal River at Bakel in Senegal suggests that water resources availability has been substantially curtailed since 1960, and a review of the water resources budget or availability in the basin suggests that this policy's food production system is not sustainable under the current climate of the basin. Under these conditions, this program is exacerbating existing problems of landscape degradation and desertification, which increases rural poverty. A natural resource management policy offers two adaptation strategies that favour decentralized management and a reduction of external inputs. The first alternative, “Les Perimetres Irrigués”, emphasizes village-scale irrigation, low water consumption cereal crops and traditional socio-political structures. The second alternative emphasizes farm-level irrigation and agro-forestry projects to redress the primary effects of desertification. The water requirements of both the rice import substitution program and the natural resource management program are calculated. A water resources simulation model/optimization analysis using dynamic programming is used to compare these two alternatives to the rice import substitution programs. Results indicate that the natural resource management policy could potentially bring a large area into production while using far less water than the rice import substitution program. The natural resource management policy, in particular the second alternative with its emphasis on individual ownership and ecological rehabiliation, defines a different set of social and ecological relationships that appear to enhance the sustainability of food production under a long-term drought.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00455057
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  • 10
    Electronic Resource
    Electronic Resource
    Adapting to Climate Change in Africa (1997)
    Springer
    Mitigation and adaptation strategies for global change 2 (1997), S. 19-44 
    Details
    ISSN: 1573-1596
    Keywords: adaptation ; Africa ; agriculture ; climate change ; vulnerability ; water
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Abstract The intersection of present vulnerability and the prospect of climate change in Africa warrants proactive action now to reduce the risk of large-scale, adverse impacts. The process of planning adaptive strategies requires a systematic evaluation of priorities and constraints, and the involvement of stakeholders. An overview of climate change in Africa and case studies of impacts for agriculture and water underlie discussion of a typology of adaptive responses that may be most effective for different stakeholders. The most effective strategies are likely to be to reduce present vulnerability and to enhance a broad spectrum of capacity in responding to environmental, resource and economic perturbations. In some cases, such as design of water systems, an added risk factor should be considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/B:MITI.0000004663.31074.64
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