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Gaël Belliot Julie Loutreul Marie Estienney Catherine Cazeaux Irina Nicorescu Serge Aho Patrick Gervais Nicole Orange Pierre Pothier Thierry Morin 《Food and environmental virology》2013,5(3):176-179
The virucidal efficacy of a pulsed light treatment applied to viral suspensions, glass beads and herb powders was studied for the F-RNA bacteriophage MS2. The experimental results obtained demonstrated the high potential of this technology to efficiently decontaminate simple matrices but underlined the complexity of application to complex food matrices. 相似文献
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During the last decade, the impact of chemical pollution and environmental chemistry has focused almost exclusively on the conventional ‘priority’ pollutants which are regulated in different environmental laws. This spectrum of chemicals, however, is only one piece in the larger puzzle of ‘holistic’ risk assessment. The pharmacentical drugs are a diverse group of bioactive chemicals receiving comparatively little attention as potential environmental pollutants. The aim of the literature review is to describe the most important exposition scenarios for human and veterinary pharmacenticals in different environmental compartments (soil, surface, waste water, ground water, table water, etc.) 相似文献
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Irina I. Volkova Terry V. Callaghan Igor V. Volkov Natalia A. Chernova Anastasia I. Volkova 《Ambio》2021,50(11):1975
Changes in climate, land-use and pollution are having disproportionate impacts on ecosystems and biodiversity of arctic and mountain ecosystems. While these impacts are well-documented for many areas of the Arctic and alpine regions, some isolated and inaccessible mountain areas are poorly studied. Furthermore, even in well-studied regions, assessments of biodiversity and species responses to environmental change are biased towards vascular plants and cryptogams, particularly bryophytes are far less represented. This paper aims to document the environments of the remote and inaccessible Altai-Sayan mountain mires and particularly their bryofloras where threatened species exist and species new to the regional flora are still being found. As these mountain mires are relatively inaccessible, changes in drivers of change and their ecosystem and biodiversity impacts have not been monitored. However, the remoteness of the mires has so far protected them and their species. In this study, we describe the mires, their bryophyte species and the expected impacts of environmental stressors to bring attention to the urgency of documenting change and conserving these pristine ecosystems.Supplementary InformationThe online version contains supplementary material available at 10.1007/s13280-021-01596-w. 相似文献
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Olga Popovichev Elena Molozhnikov Sergey Nasonov Vladimir Potemkin Ivan Penner Marina Klemashev Irina Marinaite Ludmila Golobokov Stergios Vratolis Konstantinos Eleftheriadis Tamara Khodzher 《环境科学学报(英文版)》2021,33(9):49-64
Lake Baikal is the biggest reservoir of fresh water with unique flora and fauna; presently it is negatively affected by climate change, water warming, industrial emissions, shipping, touristic activities, and Siberian forest fires. The assessment of air pollution - related Baikal's ecosystem damage is an unsolved problem. Ship, based expedition exploring the Baikal atmospheric aerosol loading, was performed over the lake area in July 2018. We combine the aerosol near - water and vertical distributions over the Lake Baikal basin with meteorological observations and air mass transportation simulations. Lidar sounding of aerosol fields in the troposphere assesses the atmospheric background in the pristine areas and the pollution during fire-affected periods. Aerosol optical properties (scattering and spectral absorption) converted to the particle number size, black carbon (BC) mass, and Absorption Angstrom Exponent (AAE) provide the inside into aerosol characterization. Transport of industrial emissions from Krasnoyarsk and Irkutsk regions, and wildfire plumes from Republic of Yakutia relates the pollution sources to the increased concentrations of fine particle numbers, PM10 and BC mass over Southern and Northern/Central Baikal, respectively. The highest PM10 and BC are associated to the harbor and touristic areas of intensive shipping and residential biomass burning. Deposition estimates applied to aerosol data exhibit the pollution fluxes to water surface over the whole Baikal area. AAE marks the impact of coal combustion, residential biomass burning, and wildfires indicating the high pollution level of the Lake Baikal ecological system . 相似文献
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Modelling of long-term behaviour of caesium and strontium radionuclides in the Arctic environment and human exposure 总被引:3,自引:0,他引:3
Golikov V Logacheva I Bruk G Shutov V Balonov M Strand P Borghuis S Howard B Wright S 《Journal of environmental radioactivity》2004,74(1-3):159-169
In this paper a compartment model of the highly vulnerable Arctic terrestrial food chain "lichen-reindeer-man" is outlined. Based upon an analysis of measured (137)Cs and (90)Sr contents in lichen and reindeer meat from 1961 up to 2001, site specific model parameters for two regions in north-western Arctic Russia and for Kautokeino municipality in Arctic Norway have been determined. The dynamics of radionuclide activity concentrations in the "lichen-reindeer-man" food chain for all areas was satisfactorily described by a double exponential function with short-term and long-term effective ecological half-lives between 1-2 and 10-12 years, respectively, for both (137)Cs and (90)Sr. Using parameter values derived from the model, life-time internal effective doses due to consumption of reindeer meat by reindeer-breeders after an assumed single pulse deposit of 1 kBq m(-2) of (137)Cs were estimated to be 11.4 mSv (Kola Peninsula), 5 mSv (Nenets Autonomous Area), and 2 mSv (Kautokeino, Norway). Differences in vulnerability to radiocaesium deposition were due to differences in transfer between lichen and reindeer and in diet between the three regions. 相似文献