NATO Science Partnership Subseries: 2 – serie
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134 produkter
134 produkter
Inbunden, Engelska, 1996
1 079 kr
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Risk assessment has come to assume acute importance in the former Soviet Union since money is so scarce, yet the needs for cleanup are so huge. Other factors contribute to this situation, too: New leaders are still emerging, and governmental structures are still evolving. This creates a particular difficulty for environmentalists who attempt to become involved in the risk assessment process. New information continues to surface on the fallout from Chernobyl and its consequences for human health. Scientists are still debating the effects of low doses of radiation delivered over a long period of time. This type of contamination is especially prevalent in the Russian North, for example, as a result of the dumping of nuclear submarine reactors into the Kara and Barents Seas. This volume examines the complexities of risk assessment in the former Soviet Union at this time in history.
Inbunden, Engelska, 1996
2 216 kr
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This book collects the main scientific contributions presented at a NATO Advanced Research Workshop entitled "Ventilation and Indoor Air Quality Requirements in Hospitals" that was held in Milan, Italy, from September 13-16, 1995. The workshop was made possible through the funding support of the NATO Scientific and Environmental Affairs Division and was sponsored and supported in part by the International Centre for Pesticide Safety, the Institute of Occupational Health ofthe University ofMilano, the Politecnico of Milano, and the United States Environmental Protection Agency. The workshop was held in the frame ofthe program ofthe NATO/CCMS Pilot Study on Indoor Air Quality and in conjunction with the international conference Healthy Buildings'95, whichwas attended by more than 500 delegates. The contents ofthe book are arranged in sixmainsections. The first section deals with the major issues related to indoor air quality in hospitals, that are reviewed from the North-American, Scandinavian, Italian and Russian perspective. The second section discusses the ventilation requirements in hospitals, with particular focus on design and maintenanceofthe ventilation systemsand provisionofclean air to critical areas, such as infectious disease wards, surgicaltheatres, etc. The third section is directed to chemical and biological air pollution in hospitals and collects papers from surveys carried out invarious countries. Airborne allergens in hospitals is the subject of section 4. New problems have arisen for the health care personnel from exposure to allergens and they are illustrated with studies performed in North America and England.
Inbunden, Engelska, 1996
1 616 kr
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N.M. V AN STRAALEN** and D.A. KRIVOLUTSKY* **Department of Ecology and Ecotoxicology VrUe Universiteit, De Boelelaan 1087, 1081 HV Amsterdam, The Netherlands *Institute of Evolutionary Animal Morphology and Ecology Russian Academy of Sciences, Leninsky Prospekt 33 117071 Moscow, Russian Federation Many industrialized and developing countries are faced with the assessment of potential risks associated with contaminated land. A variety of human activities, including municipal waste disposal, industrial emissions, military testing, and agricultural practices have left their impacts on soils in the form of elevated, and locally high concentrations of toxicants. In several cases sources have not yet been stopped and contamination continues. Decisions on the management of contaminated sites require information on the extent to which toxicants adversely affect the soil ecosystem. For this purpose, it is often insufficient to extrapolate from abiotic sampling. The detection of a toxicant in the abiotic environment usually does not allow a very strong conclusion on the potential hazards.
Inbunden, Engelska, 1996
2 216 kr
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During the last 25 years of the Cold War, life expectancy in Central and Eastern Europe fell behind that in the West, opening up a `life expectancy gap' between East and West. The decline was unprecedented, and the situation deteriorated even further immediately after 1989, the year of political liberalization. This text considers the determinants of health in its exploration of the life expectancy gap. It examines the contributions of environmental pollution, adverse lifestyle choices, inadequate health care services, and the stresses of the social and economic environment both before and after political liberalization. The picture that emerges is much more complex than has been conveyed in the media. The primary role of the social and economic environment is highlighted, but the subsidiary role of other health determinants is affirmed.
Inbunden, Engelska, 1996
1 616 kr
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The irrigated area in the Aral Sea basin totals about 7. 5 million hectare. Part of the water supplied to this area is consumed by the irrigated crop; the remainder of the supplied water drains to the groundwater basin, to downstream depressions, or back to the rivers. During its use, however, this drained part of the water accumulates salts and chemicals. The disposal of this polluted water causes a variety of (environmental) problems. If the percentage consumed water of the total water supply to an irrigated area (the so-called overall consumed ratio) can be increased, less water needs to be drained. This alleviates part of the related (environmental) problems. Further, if the overall consumed ratio for the above 7. 5 million hectare is improved, less water needs to be diverted from the rivers. Hence, more water can flow towards the Aral Sea. As mentioned above, part of the non-consumed irrigation water drains to the groundwater basin. Commonly, the natural discharge capacity of this basin is insufficient to handle this imported water. As a result, the groundwater table rises towards the land surface causing waterlogging. In (semi-)arid zones this waterlogging triggers a soil salinity problem resulting to a significant reduction in crop yields. The artificial increase of the discharge capacity, and lowering of the groundwater table, solves the soil salinity problem.
Inbunden, Engelska, 1996
3 224 kr
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Essential themes in the biochemical cycling of mercury are the relative importance of anthropogenic versus natural sources, transformation and migration processes at the local, regional and global scale, global emission inventories of different mercury sources (both point and diffuse) of both natural and anthropogenic origin. In this regard, Siberia, with its vast territory and variety of natural zones, is of special interest in the global mercury cycle and in terms of the influence of geographical zones on source and sink terms in regional budgets. Siberia contains large areas of mercuriferous belts; natural deposits that emit mercury into the atmosphere and water. Siberian gold has been mined with the use of mercury since the early 1800s. But there, too, huge forest zones and vast areas of tundra and wetland (bogs) can act as efficient sinks for atmospheric mercury. Audience: Environmental scientists, legislators, politicians and the interested citizen wishing to gain a clear picture of the biogeochemical cycling of mercury.
Inbunden, Engelska, 1996
865 kr
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Biodegradation is the dominant pathway for the environmental transformation of most chemicals and information on a chemical's biodegradability is essential for proper risk assessment. But there are few methods for predicting whether or not a chemical is biodegradable, since this depends on the chemical's structure as well as on the environmental conditions that it encounters. This text deals with quantitative structure-biodegradability relationship models (QSBRs), emphasizing the biological and ecological part of the biodegradation process. Surveys are given of the microbial aspects of biodegradation and the methods available for testing biodegradability. Recent trends and methods in biodegradation modelling are reviewed, including contributions on computerized biodegradability prediction systems. Some of the recently developed models for assessing risk and ecological impact in aquatic and terrestrial environments have been validated, and this process is discussed.
Inbunden, Engelska, 1996
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Eastern and Western, NATO partner and member country specialists discuss recent accomplishments in the sharing of timely, accurate data and information to protect the water resources of the Danube Basin, a strategic region shared by two Western and 11 former Communist countries. An International Commission, continuing the work of an ad hoc environmental management programme, is expected to take over in 1997 and may well adopt the recommendations of this timely workshop. These recommendations include the establishment of a central source of water quality data and information on levels of pollution, government standards and their enforcement, NGO environmental groups, and other programmes and policies. The editor, Dr. Irene Lyons Murphy, received support from the United States Institute of Peace during 1995- a study of the cooperative management of Danube River resources which began with the end of the Cold War. It analyzes the development and ratification of the Danube River Protection Convention and other aspects of joint pro-environment activities from 1991 to 1996. Its title The Danube: A River Basin in Transition is to be published in early 1997. Users, investors in new and/or joint business ventures, national and international governments, research scientists, the media, NGOs and the general public will be served on the Internet and through the distribution of CD-ROM and diskettes.
Inbunden, Engelska, 1997
3 224 kr
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Disturbance is no new feature in the Arctic environment. The factors that create the Arctic habitat include marked climatic oscillations, physical disturbance and fluctuations in herbivore populations. The combination of environmental stress and disturbance due to habitat instability and the possibility of periods of intense grazing impose a particularly testing blend of adverse conditions for plant survival. The physical nature of the terrain, with constant soil movement through cryoperturbation and solifluction contributes to the fragility of Arctic habitats. To this scenario must be added disturbance by man, in the quest for natural resources or merely as a result of tourism. The Arctic landscape is undoubtedly one that is frequently repaired by natural succession, but whether or not this built-in resilience is adequate to restore degraded ecosystems after human intervention is an unanswered problem that forms the subject matter of this volume.
Inbunden, Engelska, 1997
543 kr
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Environmental pollution is one of the main problems to confront humanity, with the heavy metals occupying a leading role among the most pernicious pollutants. The metals cause cancer and other sicknesses. Their cytotoxic, mutagenic and carcinogenic potentials are not fully understood, and any thorough investigation demands the combined efforts of scientists drawn from many different disciplines. But the effects of heavy metals are not all negative: some, like cis-DDP, and some ruthenium and tin complexes, have antitumour activity. The idea underlying the present work is therefore to present a multidisciplinary perspective on heavy metals in the environment, affording a better understanding of their action on human organisms and health, aiming to make them less polluting and more environmentally friendly.
Inbunden, Engelska, 1997
2 152 kr
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The most seriously threatened European seas are the North Sea, the Baltic and the Black Sea. This text examines the rapid degradation of these marine environments comparatively to identify similarities and differences in the driving forces and responses of the marine systems. Although it is difficult to distinguish between anthropogenic changes and those due to natural climate fluctuations, an attempt is made here to define possible effects based on a multidisciplinary mix of recent observations and modelling. The systems studied range from almost totally enclosed domains to marginal seas adjoining a large ocean body, and from shallow, dissipative and tidally dominated shelf regions to deep, relatively stagnant basins with adjoining energetic shelf regions, and from completely anoxic to oxygen-saturated chemical environments. Climate control appears as a background theme, while the most significant human effect is eutrophication, which is leading to rapid changes in these systems.
Inbunden, Engelska, 1997
3 224 kr
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The main objective of this volume is to evaluate existing knowledge and evidence of active faulting and historical/prehistoric earthquakes in the wider Caucasus area, and to assess the impact on the evaluation of seismic hazard. The seismological interest in the Caucasus lies in the availability of historical records documenting a long history of devastating earthquakes, coupled with advanced knowledge of the seismotectonics and active faulting beneath the former USSR and supplemented by recent instrumental programmes, including extensive satellite geodesy surveys. It is also interesting to compare various approaches to seismic hazards developed in different cultures (USSR, Caucasus, Turkey, Iran). In addition, the area presents a textbook case for the implementation of improved building construction codes and for the protection of critical facilities, including the nuclear power plants in Armenia and the Crimea.
Del 29 - NATO Science Partnership Subseries: 2
Scientific, Environmental, and Political Issues in the Circum-Caspian Region
Inbunden, Engelska, 1997
1 616 kr
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On behalf of the Russian Federation Committee on Water Economy, I would like to welcome the participants of the NATO-sponsored Workshop on the Problems of the Caspian Sea and the Circum-Caspian States. The world's largest intercontinental sea/lake is well known for its wealth mineral and fuel resources and sturgeon stocks' the products of which (oil and caviar) are in constant demand on the world market. During the last half-century the Caspian Sea has been the focus of the scientific community concerned with its level fluctuations. We were, and still are, solving a two-faceted issue: to rescue the Caspian Sea and to rescue the population from the Caspian Sea. To rescue the Caspian Sea is to address a broad spectrum of environmental issues related primarily to water pollution by waste water and petroleum products. To rescue the population from the Caspian Sea means that an almost 2.5 m sea level rise in the last two decades has resulted in flooding of vast coastal areas deteriorating economic and social spheres of activity. Solutions to these issues are linked to the numerous mysterious aspects of recent Caspian Sea behavior. Regrettably, the collapse of the USSR has led to a decline of marine observations and control over the use of marine resources in the region. Coordinated international action on the protection of living marine resources have terminated, generating disastrous consequences.
Inbunden, Engelska, 1997
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In the conflict between logging as a material resource and preservation the forests are becoming depleted throughout the world and this depletion is aggravated by the effects of air pollution. The concept of utilization is thus now being expanded to include vital societal values. These issues are nowhere more acute than in Central and Eastern Europe, where obsolete, poorly maintained industrial plant is common. Air pollutant levels are so high that one area has been called the Black Triangle. Timber is required in this region as a building material and logging for fuelwood is practised, giving rise to a complex linkage between industry, energy supply, deforestation, agriculture, value-added forestry products and economic development. This book presents current information on national and regional issues relating to environmental threats to forest land, focusing on: ecology, environment and science; forest ownership and management; forest product utilization; government and public agency roles. The recommendations, action items and the human network needed for regional-level implementation are detailed in `situation', `position' and `state of the art' papers. The final objective is to develop a plan of action to help abate the negative impacts while sustaining or expanding the forests, the economy and the energy sufficiency of the region.
Inbunden, Engelska, 1997
3 224 kr
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The end of the Cold War has opened up the arena for increased attention to other lines of conflict, both in Europe and globally. Environmental disruption - by no means a new phenomenon - is a chief beneficiary of the shift in priorities in the public debate. The Scientific and Environmental Affairs Division of NATO has moved with the times and has defined environmental security as one of the priority areas for its cooperation with Central and Eastern Europe and countries of the former Soviet Union. Research on these issues is now thus very much a collaborative effort across former lines of division in Europe. The introduction by Sverre Stub sets the tone - "Our Future - Common, or None at All". The book reveals the very real risks associated with environmental degradation, whether of the land, waters or the oceans, and charts out previous disputes and points to the very real danger of violent conflict associated with the drying up of natural resources. The book ends with a section on Responses, which seeks to provide answers to the threats discussed in the preceding sections.
Inbunden, Engelska, 1997
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This work covers topics such as waste management, solid, gaseous and liquid; site restoration, radioactivity, organics and toxic metals; educational, economic, social and business aspects; and international collaboration. International collaboration is growing apace and many concrete projects have been started. The body of knowledge is growing. Over the long term, it is envisaged that this international collaboration will result in a long-term scientific and technological strategy, new technologies and alternative solutions, and practical implementations of biotechnology for the nuclear and industrial sectors of the economy.
Inbunden, Engelska, 1997
1 616 kr
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Environmental issues continue to burden governments and economies throughout the post-communist countries of Central and Eastern Europe and the newly-independent states of the former Soviet Union. Severe environmental degradation is endemic to the region, the existing environmental infrastructure is often inadequate, significant new investment is perhaps decades away, and there is little knowledge of advanced techniques for impact assessment, project evaluation and project financing. The first two papers in this collection survey available cost-effective technology for solid-waste treatment and air-pollution control, providing guidance for possible incremental additions to the existing infrastructure. There is also a discussion of transferable pollution credits as an instrument in regulating air quality. The treatment of economic incentives embraces user fees and other pollution-control instruments. A range of methods are presented for the evaluation and comparison of alternative projects where data is poor or scarce.The Canadian experience with specific capital-budgeting techniques is given detailed attention, and debt-financing strategies are addressed in the context of present-day Ukraine. Finally, an outline is given of a general framework for making decisions about environmental projects, including the use of 4nvironmental-impact assessments.
Inbunden, Engelska, 1997
2 152 kr
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Biosensors offer distinct advantages over standard analytical methods for the direct monitoring of environmental pollutants in the field, such as real-time detection with minimum sample preparation and handling. This work highlights advantages that will be of value to a range of scientists, researchers and students dealing with analytical and environmental chemistry and biosensor technology. It presents recent trends in analytical methodology for the determination of indoor and outdoor pollutants, advances in DNA, biological and recognition-based sensors, examples of biosensors for use in field and water analysis, biosensors based on non-aqueous systems, and recent advances in the miniaturization and micromachining of biosensors.
Del 39 - NATO Science Partnership Subseries: 2
Restoration of Degraded Rivers: Challenges, Issues and Experiences
Inbunden, Engelska, 1998
2 152 kr
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There have been frequent, extensive efforts made over recent decades to develop and manage water resource systems to meet multiple purposes and objectives, especially for large rivers. Control of the spatial and temporal distribution of water in those rivers in order to meet more effectively a variety of economic in-stream and off-stream purposes and uses and increased point and non-point pollutant loadings has often reduced the health of the rivers' aquatic and terrestrial ecosystems, and decreased the rivers' floodplain and wetland areas. The result has been a loss in ecosystem biodiversity and reduced self-purification capacities and an increase in the magnitude of the peak flows - and economic damage - accompanying major floods. This book focuses on the central issue of how best to design, manage and operate water control facilities so as to meet ecological and environmental as well as economic objectives - objectives that in some ways may be in conflict with one another. Numerous case examples are described, covering the restoration needs and activities taking place in river basins in Central Asia, Eastern and Western Europe and North America.Methods of organizing, planning, financing, managing and negotiating agreements associated with river rehabilitation activities are also presented.
Inbunden, Engelska, 1998
2 152 kr
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The handling of actinides and actinide-based materials provides significant technological challenges due to the toxicity and radioactivity associated with these materials. These challenges are particularly apparent in the nuclear power industry. Under normal operation, a reactor can produce a significant amount of spent fuel requiring subsequent containment for geologic times, and under accident conditions it can release lethal doses of radioactive material to the environment. Inevitably, radioactive material will enter the environment, necessitating as complete an understanding as possible of its behavior. An understanding of the interaction between actinides and the environment must be based on a knowledge of their basic physical and chemical properties. To date, although there is general agreement on the principles for waste disposal, no facility has been built for the long term disposal of high level radioactive waste from either normal reactor operations or from accidental catastrophes. This makes it most important for the scientific and technical community to develop the necessary cross-disciplinary understanding that will help us implement safe and secure waste management, accident remediation and accident prevention systems.
Inbunden, Engelska, 1998
2 152 kr
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If present trends continue, most climatologists agree that the concentration of carbon dioxide in the atmosphere will have doubled by the year 2050. This increase in CO 2 will have a major effect on the global climate and substantially alter the physical, chemical and biological characteristics of lakes throughout the world. In recent years, it has become clear that year-to-year changes in the weather have a major effect on the seasonal dynamics of lakes. Many water quality problems that were once regarded as "local" phenomena are now known to be influenced by changes in the weather that operate on a regional or even global scale. For example, blooms of toxic blue-green algae can be induced by prolonged reductions in the intensity of wind-mixing as well as increased supplies of nutrients. Long-term studies in the English Lake District have shown that many of these variations are quasi-cyclical in nature and can be related to long-term changes in the distribution of atmospheric pressure over the Atlantic Ocean. It is not yet clear what effect these changes have on the dynamics of European lakes but much of the historical data required to extend these analyses to continental Europe is already available. In the early 1970s the International Biological Programme served as a particularly effective focus for comparative limnological research in eastern as well as western Europe.
Inbunden, Engelska, 1998
2 152 kr
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Mineral processing technologies have been used for decades to protect the environment and many examples of such applications are given here. The book covers four major subject areas: fundamentals; environmental pollution and its prevention; separation processes; and innovative techniques. The text should be on interest to scientists, engineers and technologists conducting both applied and basic research into the different environmental aspects of mineral processing.
Inbunden, Engelska, 1998
3 224 kr
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Hydroinformatics systems are systems that combine computational hydraulic modelling with information systems (including knowledge-based systems). They are gaining rapid acceptance in the areas of environmental planning, design and management. The present book focuses exclusively on sewage systems, starting with their planning and then going on to discuss their design, operation and rehabilitation. The very experienced authors discuss business and information needs in the management of urban drainage, tools for collecting and archiving such data, and their use in modelling catchment hydrology, sewer systems hydraulics, wastewater quality, wastewater treatment plant operation, and receiving waters. The control and operation of sewer systems in real time is described, followed by a discussion of their maintenance and rehabilitation. Intelligent decision support systems for managing the urban drainage business process are presented. Audience: Researchers into sewer design, municipal engineers, planners and managers interested in an innovative approach to all aspects of the planning, design and operation of sewer systems.
Inbunden, Engelska, 1998
3 224 kr
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The Black Sea ecosystem is a unique marine environment. Its isolation from the ocean and large catchment basin, covering industrial and rural parts of the European and Asian continents, render the Black Sea ecosystem extremely vulnerable to the imposed environmental burdens. Complex scientific problems related to the recent evolution of the Black Sea ecosystem were tackled in the framework of the NATO TU Black Sea project "Ecosystem Modelling as a Management Tool for the Black Sea", implemented between 1993 and 1997. The primary results and the products of the TU Black Se a project were presented to the scientific community at a dedicated symposium held on 15-19 June, 1997 at Zori Rossii on the Crimean coast of the Black Sea. The two volumes contain 47 of the papers presented at the symposium, selected by peer review. Volume 1 contains 27 papers in all, two on the NATO TU Black Sea database and database management system, eight on the Black Sea biogeochemistry, and 17 on the biological structure of the basin. Of the 20 papers appearing in Volume 2, nine are physical processes and 11 are on the modelling of the circulation and the ecosystems of the Black Sea.
Del 48 - NATO Science Partnership Subseries: 2
Environmental Contamination and Remediation Practices at Former and Present Military Bases
Inbunden, Engelska, 1998
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Environmental Contamination and Remediation Practices at Former and Present Military Bases outlines the different strategies that are useful in the investigation and subsequent remediation of military bases, Particular attention is paid to the pollution of groundwater. The book contains an excellent review of useful remediation techniques and several examples of their application to polluted military bases. Several mathematical models are demonstrated, showing their predictive value for real examples. A detailed list is given of chemical pollutants that can be found on a military base. Strategies are described for the investigation and determination of the future of a polluted military site. Examples are given, obtained from practical experience of dealing with old, contaminated sites.
Del 48 - NATO Science Partnership Subseries: 2
Environmental Contamination and Remediation Practices at Former and Present Military Bases
Häftad, Engelska, 1998
1 079 kr
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Environmental Contamination and Remediation Practices at Former and Present Military Bases outlines the different strategies that are useful in the investigation and subsequent remediation of military bases, Particular attention is paid to the pollution of groundwater. The book contains an excellent review of useful remediation techniques and several examples of their application to polluted military bases. Several mathematical models are demonstrated, showing their predictive value for real examples. A detailed list is given of chemical pollutants that can be found on a military base. Strategies are described for the investigation and determination of the future of a polluted military site. Examples are given, obtained from practical experience of dealing with old, contaminated sites.
Inbunden, Engelska, 1998
1 616 kr
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In former So\\jet Union countries there are currently underway or being planned, several major ocular follow-up studies of populations exposed to radiation from reactor accidents, contamination from nuclear weapons manufacturing or fall-out from nuclear testing. The importance of such studies lies in their potential to provide the data necessary to: 1) help define the true extent of the impact of environmental contamination in affected regions 2) allow for a better appreciation of the degree of morbidity arising from such contamination 3) establish acceptable standards for ocular risk guidelines, 4) develop the necessary database to allow cataract to meet its potential in retrospective dose reconstruction, S) assess the contribution of environmental radiation exposure to the incidence of senile cataract development in populations at large. Given the complexity of such studies, the potential confounders, and the myriad of possible methods of assessment, it is in the interest of the global scientific and medical communities to, insofar as possible, standardize methodologies and agree upon minimum criteria to make inter-study comparisons possible. With this in mind the NATO Advanced Research Workshop (ARW) on "Ocular Radiation Risk Assessment in Populations Exposed to Environmental Radiation Contamination", 29 July - 1 August 1997 -Puscha Ozyorna, Kiev, Ukraine, was organized to establish minimum and standardized criteria for the acquisition, archiving, evaluating, and dissemination of data on the ocular risk of populations to environmental radiation exposure.
Del 49 - NATO Science Partnership Subseries: 2
Environmental Health for All
Risk Assessment and Risk Communication for National Environmental Health Action Plans
Inbunden, Engelska, 1998
2 216 kr
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The development of "National environmental health action plans" (NEHAPs) has become a major initiative in Europe, with 51 countries now committed to introducing plans by the new millennium. This book is an attempt to review recent experience in formulating these plans, and to examine and assess the technical and psycho-sociological tools available to support such plans. It brings together results from four of the leading countries involved in NEHAP developments (Sweden, Czech Republic, Romania and Poland) and describes the techniques that were used to identify and prioritise key environmental issues, and to identify policy responses. The book also provides a review of the methods and tools available for risk assessment, risk communication and priority setting, which are relevant not only to NEHAPs but to environmental planning more generally, and to many other areas of public policy. The discussion of these techniques is supported by case studies, and is concluded by a series of chapters reflecting on the conceptual and research issues that still need to be addressed.
Häftad, Engelska, 1998
2 216 kr
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Accurate assessment of environmental hazards and related risks is a primary prerequisite for effective environmental health protection, at both the individual and collective level. National and regional policies on environmental health need to be guided by knowledge about the risks to the populations involved; as the Environmental Action Plan for Europe notes, 'priority setting requires the comparative assessment of risks to health of different environmental factors against the cost of controlling them.' In recent years this has assumed particular importance, for with the encouragement of the World Health Organisation (WHO), all countries in Europe are committed to producing National Environmental Health Action Plans (NEHAPs), which will define priorities and targets for environmental health and the actions needed to achieve them. Reliable information on risks is clearly fundamantal to this process. Individual risk assessment is no less important in this context. Much of the responsibility and capacity to improve public health lies ultimately in the choices (e.g. about diet, smoking, alcohol consumption, sexual activities, sporting activities, travel mode, place of residence and occupation) which we make as individuals. If we are to improve and protect our own health, therefore, and in so doing play our personal role in achieving the targets set by these Plans, we need to be guided by a clear understanding of the risks involved.
Del 51 - NATO Science Partnership Subseries: 2
Eastern Mediterranean as a Laboratory Basin for the Assessment of Contrasting Ecosystems
Inbunden, Engelska, 1999
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This book is the outcome of a NATO Advanced Research Workshop on "The Eastern Mediterranean as a laboratory basin for the assessment of contrasting ecosystems" that was held in Kiev, Ukraine, March 23-27, 1998. The scientific rationale of the workshop can be summarized as follows. The Eastern Mediterranean is the most nutrient impoverished and oligotrophic large water body known. There is a well-defined eastward trend in nutrient ratios over the entire Mediterranean that starts at the Gibraltar Straits and, through the western basin, proceeds to the Ionian and Levantine Seas. Supply of nutrients to the entire Mediterranean is limited by inputs from the North Atlantic and various river systems along the sea. The unique feature of the Mediterranean is the presence of an eastward longitudinal trend in available nitrate/phosphate ratios. This apparently induces a west-to-east variation in the structure of the pelagic food web and trophic interactions. In this context the Mediterranean, and in particular its Eastern basin, provides probably a unique platform to explore the hypotheses related to the suggested phosphate-limitation on production and to the shift between "microbial" and "classical" modes of operation of the photic food web. The major exception of the overall oligotrophic nature of the Eastern Mediterranean is the highly eutrophic system of the Northern Adriatic Sea. Here, during the last two decades the discharges of the northern rivers (especially of the Po), together with municipal sewage, have led to a very marked increase of nutrients and subsequent imponent eutrophication events.