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Author : Maria Greger
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.3/5 (91 download)
Download or read book Uptake of Nuclides by Plants written by Maria Greger and published by . This book was released on 2004 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. Nishita
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.3/5 (91 download)
Download or read book Radionuclide Uptake by Plants written by H. Nishita and published by . This book was released on 1978 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dharmendra Kumar Gupta
Publisher : Springer
ISBN 13 : 3319076655
Total Pages : 315 pages
Book Rating : 4.3/5 (19 download)
Download or read book Radionuclide Contamination and Remediation Through Plants written by Dharmendra Kumar Gupta and published by Springer. This book was released on 2014-07-14 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the mechanistic (microscopic) understanding of radionuclide uptake by plants in contaminated soils and potential use of phytoremediation. The key features concern radionuclide toxicity in plants, how the radioactive materials are absorbed by plants, and how the plants cope with the toxic responses. The respective chapters examine soil classification, natural plant selection, speciation of actinides, kinetic modeling, and case studies on cesium uptake after radiation accidents. Radionuclide contaminants pose serious problems for biological systems, due to their chemical toxicity and radiological effects. The processes by which radionuclides can be incorporated into vegetation can either originate from activity interception by external plant surfaces (either directly from the atmosphere or from resuspended material), or through uptake of radionuclides via the root system. Subsequent transfer of toxic elements to the human food chain is a concrete danger. Therefore, the molecular mechanisms and genetic basis of transport into and within plants needs to be understood for two reasons: The effectiveness of radionuclide uptake into crop plants – so-called transfer coefficient – is a prerequisite for the calculation of dose due to the food path. On the other hand, efficient radionuclide transfer into plants can be made use of for decontamination of land – so-called phytoremediation, the direct use of living, green plants for in situ removal of pollutants from the environment or to reduce their concentrations to harmless levels.
Author : James D. Sartor
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (227 download)
Download or read book Uptake of Radionuclides by Plants written by James D. Sartor and published by . This book was released on 1966 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: The uptake of five radionuclides (Sr-85, Zr-Nb-95, Ru-106, Cs-137, and Ce-144) was measured for seven plants (bean, carrot, clover, lettuce, radish, tomato, and wheat) grown in three different soil types (sand, loam, and clay). Plants were grown in large soil containers that allowed most of the root system to develop under normal field conditions. Sampling started as soon as the plants sprouted and continued at frequent intervals depending on growth characteristics of the plant. Plant uptake contamination factors (a sub SU) were calculated for each of the samples harvested. Comparisons of the uptake for various plant part-soil-radionuclide combinations at crop maturity show that the a sub SU values for Sr-85 are the largest in all instances, usually by an order of magnitude. The a sub SU value for the edible portion of each plant was lowest in every case, and usually the leafy portion of the plant had the largest a sub SU value.
Author : P.A. Cawse
Publisher :
ISBN 13 :
Total Pages : 47 pages
Book Rating : 4.:/5 (63 download)
Download or read book The Uptake of Radionuclides by Plants: a Review of Recent Literature written by P.A. Cawse and published by . This book was released on 1982 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Clemens Walther
Publisher : Springer
ISBN 13 : 331922171X
Total Pages : 277 pages
Book Rating : 4.3/5 (192 download)
Download or read book Radionuclides in the Environment written by Clemens Walther and published by Springer. This book was released on 2015-10-30 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides extensive and comprehensive information to researchers and academicians who are interested in radionuclide contamination, its sources and environmental impact. It is also useful for graduate and undergraduate students specializing in radioactive-waste disposal and its impact on natural as well as manmade environments. A number of sites are affected by large legacies of waste from the mining and processing of radioactive minerals. Over recent decades, several hundred radioactive isotopes (radioisotopes) of natural elements have been produced artificially, including 90Sr, 137Cs and 131I. Several other anthropogenic radioactive elements have also been produced in large quantities, for example technetium, neptunium, plutonium and americium, although plutonium does occur naturally in trace amounts in uranium ores. The deposition of radionuclides on vegetation and soil, as well as the uptake from polluted aquifers (root uptake or irrigation) are the initial point for their transfer into the terrestrial environment and into food chains. There are two principal deposition processes for the removal of pollutants from the atmosphere: dry deposition is the direct transfer through absorption of gases and particles by natural surfaces, such as vegetation, whereas showery or wet deposition is the transport of a substance from the atmosphere to the ground by snow, hail or rain. Once deposited on any vegetation, radionuclides are removed from plants by the airstre am and rain, either through percolation or by cuticular scratch. The increase in biomass during plant growth does not cause a loss of activity, but it does lead to a decrease in activity concentration due to effective dilution. There is also systemic transport (translocation) of radionuclides within the plant subsequent to foliar uptake, leading the transfer of chemical components to other parts of the plant that have not been contaminated directly.
Author : Maurice H. Frere
Publisher : National Academies
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Behavior of Radioactive Fallout in Soils and Plants written by Maurice H. Frere and published by National Academies. This book was released on 1963 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eric M. Greager
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (297 download)
Download or read book Uptake of Gamma-emitting Radionuclides by Tomato Plants (Lycopersicon Lycopersicum) from Low-level Liquid Radioactive Waste Passed Through Soil written by Eric M. Greager and published by . This book was released on 1984 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Uptake by Plants of Radionuclides from FUSRAP Waste Materials written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Radionuclides from FUSRAP wastes potentially may be taken up by plants during remedial action activities and permanent near-surface burial of contaminated materials. In order to better understand the propensity of radionuclides to accumulate in plant tissue, soil and plant factors influencing the uptake and accumulation of radionuclides by plants are reviewed. In addition, data describing the uptake of the principal radionuclides present in FUSRAP wastes (uranium-238, thorium-230, radium-226, lead-210, and polonium-210) are summarized. All five radionuclides can accumulate in plant root tissue to some extent, and there is potential for the translocation and accumulation of these radionuclides in plant shoot tissue. Of these five radionuclides, radium-226 appears to have the greatest potential for translocation and accumulation in plant shoot tissue. 28 references, 1 figure, 3 tables.
Author : Edward Herbert Essington
Publisher :
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.:/5 (28 download)
Download or read book Influence of Chelating Agents on the Plant Uptake and Movement in a Soil of Some Radioactive Fission Products written by Edward Herbert Essington and published by . This book was released on 1964 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Harold Bradford Tukey
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (711 download)
Download or read book Absorption of Radionuclides Through the Above-ground Parts of Plants written by Harold Bradford Tukey and published by . This book was released on 1955* with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dharmendra K. Gupta
Publisher : Springer
ISBN 13 : 3319415255
Total Pages : 324 pages
Book Rating : 4.3/5 (194 download)
Download or read book Impact of Cesium on Plants and the Environment written by Dharmendra K. Gupta and published by Springer. This book was released on 2016-10-14 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides extensive and comprehensive knowledge to the researchers/academics who are working in the field of cesium contaminated sites, and the impact on plants. This book is also helpful for graduate and undergraduate students who are specializing in radioecology or safe disposal of radioactive waste, remediation of legacies and the impact on the environment. Radiocesium (137Cs and 134Cs) was released into the environment as a result of nuclear weapons testing in 1950s and 1960s (~1x1018 Bq), and later due to the Chernobyl accident in 1986 (8.5x1016 Bq) and Fukushima Daiichi Nuclear Power Plant in 2011 (~1x1017 Bq). 137Cs is still of relevance due to its half-life of 30 years. The study of radioisotope 137Cs is important, as production and emission rates are high compared to other radioisotopes, due to high fission yield and high volatility. This book contains original work and reviews on how cesium is released into the environment on translocation from soil to plants and further on to animals and into the human food chain. Separate chapters focus on the effective half-life of cesium in plants and on how different cultivars are responding in accumulation of cesium. Other key chapters focus on cesium impact on single cells to higher plants and also on remediation measures as well as on basic mechanism used for remedial options and analysis of transfer factors. The book rounds off by contributions on cesium uptake and translocation and its toxicity in plants after the Chernobyl and Fukushima accidents.
Author : Petra Planinšek (okolje)
Publisher :
ISBN 13 :
Total Pages : 111 pages
Book Rating : 4.:/5 (974 download)
Download or read book Plant Uptake of Selected Natural Radionuclides from Contaminated Environment written by Petra Planinšek (okolje) and published by . This book was released on 2016 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mark J. Knight
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (929 download)
Download or read book Uptake by Plants of Radionuclides from FUSRAP Waste Materials written by Mark J. Knight and published by . This book was released on 1983 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tomoko M. Nakanishi
Publisher : Springer
ISBN 13 : 9811332185
Total Pages : 248 pages
Book Rating : 4.8/5 (113 download)
Download or read book Agricultural Implications of the Fukushima Nuclear Accident (III) written by Tomoko M. Nakanishi and published by Springer. This book was released on 2019-01-30 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book presents the findings from on-site research into radioactive cesium contamination in various agricultural systems affected by the Fukushima Daiichi Nuclear Power Plant accident in March 2011. This third volume in the series reports on studies undertaken at contaminated sites such as farmland, forests, and marine and freshwater environments, with a particular focus on livestock, wild plants and mushrooms, crops, and marine products in those environments. It also provides additional data collected in the subsequent years to show how the radioactivity levels in agricultural products and their growing environments have changed with time and the route by which radioactive materials entered agricultural products as well as their movement between different components (e.g., soil, water, and trees) within an environmental system (e.g., forests). The book covers various topics, including radioactivity testing of food products; decontamination trials for rice and livestock production; the state of contamination in, trees, mushrooms, and timber; the dynamics of radioactivity distribution in paddy fields and upland forests; damage incurred by the forestry and fishery industries; and the change in consumers’ attitudes. Chapter 19 introduces a real-time radioisotope imaging system, a pioneering technique to visualize the movement of cesium in soil and in plants. This is the only book to provide systematic data on the actual change of radioactivity, and as such is of great value to all researchers who wish to understand the effect of radioactive fallout on agriculture. In addition, it helps the general public to better understand the issues of radio-contamination in the environment. The project is ongoing; the research groups from the Graduate School of Agricultural and Life Sciences of The University of Tokyo continue their work in the field to further evaluate the long-term effects of the Fukushima accident.
Author : Y.A. Izrael
Publisher : Elsevier
ISBN 13 : 0080540236
Total Pages : 309 pages
Book Rating : 4.0/5 (85 download)
Download or read book Radioactive Fallout after Nuclear Explosions and Accidents written by Y.A. Izrael and published by Elsevier. This book was released on 2002-06-20 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: To achieve successful solutions to the problems resulting from local, distant and global radioactive fallout after nuclear explosions and accidents and to achieve successful retrospective analyses of the radiation conditions from recent observations, certain information is needed: the distribution of the exposure dose rate in the atmosphere and in a country; the distribution of radionuclides in natural environments and the nuclide composition of the radioactive fallout; the features of formation of the aerosol particle-carriers of the radioactivity and of the nuclide distribution of the particles of different sizes formed under different conditions; the processes involved in the migration of radioactive products in different zones and environments; the external and internal effects of nuclear radiation on human beings.This monograph is devoted to a number of these problems, namely, to studies of the radioactive fallout composition, the formation of the aerosol particles that transport the radioactive products and to the analysis of the external radiation doses resulting from nuclear explosions and/or accidents. Problems of restoration and rehabilitation of contaminated land areas are also touched upon in the monograph. To solve such problems one requires knowledge of the mobility of radionuclides, an understanding of their uptake by plants, their transportation within the food chain and finally their uptake by animal and/or human organisms.The results of many years of study of radioactive fallout from atmospheric and underground nuclear explosions and accidents are summarized in this book. It is intended for various specialists - geophysicists, ecologists, health experts and inspectors, as well as those who are concerned with radioactive contamination of natural environments.
Author : Dharmendra K. Gupta
Publisher : Springer
ISBN 13 : 331966574X
Total Pages : 178 pages
Book Rating : 4.3/5 (196 download)
Download or read book Behaviour of Strontium in Plants and the Environment written by Dharmendra K. Gupta and published by Springer. This book was released on 2017-10-26 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides extensive and comprehensive knowledge to researchers and academics who work on strontium contaminated areas. Topics covered include impact on plants and environment, as well as remediation strategies. This book will inform graduate and undergraduate students who are specializing in radioecology, especially strontium uptake via soil to plants, safe disposal of strontium waste, remediation legacies and impact of strontium waste material on the natural and manmade environment. A broad overview of reviews is provided covering a number of original publications on strontium plant uptake, including case studies that present the latest technological developments and future trends for investigating strontium mobility in soil and treatment of strontium contaminated areas.
