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排序方式: 共有283条查询结果,搜索用时 140 毫秒
1.
Kalan Mohammad Ebrahimi Ghobadi Hassan Taleb Ziyad Ben Adham Davoud Cobb Caroline O Ward Kenneth D Behaleh Raed Fazlzadeh Mehdi 《Environmental science and pollution research international》2021,28(30):40346-40354
Environmental Science and Pollution Research - There is mixed evidence surrounding the relationship between tobacco use and COVID-19 infection/progression. The current study investigates beliefs... 相似文献
2.
Nguyen Quoc Thinh Tran Minh Phu Caroline Douny Nguyen Thanh Phuong Do Thi Thanh Huong Patrick Kestemont 《Journal of environmental science and health. Part. B》2018,53(1):35-41
In order to determine the distribution and enable the elimination of quinalphos, a popular active pesticide compound used in the Mekong Delta, an experiment was set up in a rice-fish integration system in Can Tho City, Vietnam. Fish was stocked into the field when the rice was two-months old. Quinalphos was applied twice in doses of 42.5 g per 1000 m2. Water, fish and sediment samples were collected at time intervals and analyzed by a Gas Chromatography Electron Capture Detector system. The results show that quinalphos residues in fish muscles were much higher than those of the water and the bioconcentration factor (logBCF) was above 2 for the fish. The half-life of first and second quinalphos applications were 12.2 and 11.1 days for sediment, 2.5 and 1.1 days for silver barb, 1.9 and 1.3 days for common carp, and 1.1 and 1.0 days for water, respectively. 相似文献
3.
Peter Leinweber Ulrich Bathmann Uwe Buczko Caroline Douhaire Bettina Eichler-Löbermann Emmanuel Frossard Felix Ekardt Helen Jarvie Inga Krämer Christian Kabbe Bernd Lennartz Per-Erik Mellander Günther Nausch Hisao Ohtake Jens Tränckner 《Ambio》2018,47(1):3-19
This special issue of Ambio compiles a series of contributions made at the 8th International Phosphorus Workshop (IPW8), held in September 2016 in Rostock, Germany. The introducing overview article summarizes major published scientific findings in the time period from IPW7 (2015) until recently, including presentations from IPW8. The P issue was subdivided into four themes along the logical sequence of P utilization in production, environmental, and societal systems: (1) Sufficiency and efficiency of P utilization, especially in animal husbandry and crop production; (2) P recycling: technologies and product applications; (3) P fluxes and cycling in the environment; and (4) P governance. The latter two themes had separate sessions for the first time in the International Phosphorus Workshops series; thus, this overview presents a scene-setting rather than an overview of the latest research for these themes. In summary, this paper details new findings in agricultural and environmental P research, which indicate reduced P inputs, improved management options, and provide translations into governance options for a more sustainable P use. 相似文献
4.
Raiane Costa Souza Roberto Bagattini Portella Paula Valéria Nunes Brito Almeida Caroline Oliveira Pinto Priscila Gubert 《Journal of environmental science and health. Part. B》2020,55(6):530-538
AbstractOrganochlorine pesticides (OCPs) are widely used around the world as insecticides, herbicides, fungicides, nematicides, and rodenticides. Despite banned in Brazil, the usage remains occurring in many countries. The persistence and extreme mobility of OCPs contribute to the contamination of the environment and the human body. The OCPs bioaccumulation in adipose tissue triggers the excretion into human milk during breastfeeding. Hence, the present study determined eighteen OCPs residues in the breast milk of mothers from the Western Region of Bahia State, Brazil. Nine different residue species were found, including beta-Hexachlorocyclohexane (9.24?±?0.00?ng g?1 fat), delta- Hexachlorocyclohexane (22.15?±?10.48?ng g?1 fat), Heptachlor (58.08?±?74.13?ng g?1 fat), Aldrin (142.65?±?50.65?ng g?1 fat), Dieldrin (774.62?±?472.68?ng g?1 fat), Endosulfan I (408.44?±?245.51?ng g?1 fat), Dichloro-diphenyl-dichloro-ethylene (29.17?±?22.42?ng g?1 fat), Dichloro-diphenyl-trichloro-ethane (28.87?±?0.00?ng g?1 fat) and Methoxychlor (1699.67?±?797.43?ng g?1 fat). The Methoxychlor presence in all samples may reveal a recent exposure, while Dieldrin and Endosulfan I analyses can point to distant past exposure. 相似文献
5.
6.
Jayasinghe Randika Liyanage Nilmini Baillie Caroline 《Journal of Material Cycles and Waste Management》2021,23(2):557-565
Journal of Material Cycles and Waste Management - The key aim of a transition to a Green Economy is to enable economic growth and investment while increasing environmental quality and social... 相似文献
7.
Jacob Carstensen Daniel J. Conley Erik Bonsdorff Bo G. Gustafsson Susanna Hietanen Urzsula Janas Tom Jilbert Alexey Maximov Alf Norkko Joanna Norkko Daniel C. Reed Caroline P. Slomp Karen Timmermann Maren Voss 《Ambio》2014,43(1):26-36
Hypoxia has occurred intermittently over the Holocene in the Baltic Sea, but the recent expansion from less than 10 000 km2 before 1950 to >60 000 km2 since 2000 is mainly caused by enhanced nutrient inputs from land and atmosphere. With worsening hypoxia, the role of sediments changes from nitrogen removal to nitrogen release as ammonium. At present, denitrification in the water column and sediments is equally important. Phosphorus is currently buried in sediments mainly in organic form, with an additional contribution of reduced Fe-phosphate minerals in the deep anoxic basins. Upon the transition to oxic conditions, a significant proportion of the organic phosphorus will be remineralized, with the phosphorus then being bound to iron oxides. This iron-oxide bound phosphorus is readily released to the water column upon the onset of hypoxia again. Important ecosystems services carried out by the benthic fauna, including biogeochemical feedback-loops and biomass production, are also lost with hypoxia. The results provide quantitative knowledge of nutrient release and recycling processes under various environmental conditions in support of decision support tools underlying the Baltic Sea Action Plan. 相似文献
8.
Expanding populations of farmland foraging geese are causing escalating conflict with agriculture. We used questionnaires to investigate farmers´ perceptions in mid-Norway of spring staging geese and the extent to which they attempt to reduce pasture damage by goose scaring. We predicted farmers’ scaring effort (a measure of dissatisfaction) to increase on fields closer to goose roosting sites where goose grazing intensity was highest (measured by dropping counts). Results showed no such relationship, suggesting that farmers’ perception of goose use was not linked to actual goose use, but influenced by sociological factors and individual opinion. These results confirm the need to distribute subsidies/compensation to affected farmers based upon quantifiable measures of goose use rather than complaint levels. To avoid further conflict escalation, it is equally important that managers are aware of farmers´ perceptions and their causes, to effectively target communication about policies and measures to mitigate goose–agriculture problems. 相似文献
9.
10.
Caroline Lanier Estelle Richard Natacha Heutte Rachel Picquet Valérie Bouchart David Garon 《Atmospheric environment (Oxford, England : 1994)》2010,44(16):1980-1986
In agricultural areas, the contamination of feedstuffs with molds and mycotoxins presents major environmental and health concerns. During cattle feeding, fungi and mycotoxins were monitored in corn silage, oilseed cakes and bioaerosols collected in Normandy. Most of the corn silages were found to be contaminated by deoxynivalenol (mean concentration: 1883 μg kg?1) while a few of oilseed cakes were contaminated by alternariol, fumonisin B1 or gliotoxin. In ambient bioaerosols, the values for fungi per cubic meter of air varied from 4.3 × 102 to 6.2 × 105 cfu m?3. Seasonal variations were observed with some species like Aspergillus fumigatus which significantly decreased between the 2 seasons (P = 0.0186) while the Penicillium roqueforti group significantly increased during the second season (P = 0.0156). In the personal bioaerosols, the values for fungi per cubic meter of air varied from 3.3 103 to 1.7 106 cfu m?3 and the number of A. fumigatus spores significantly decreased between the 2 seasons (P = 0.0488). Gliotoxin, an immunosuppressive mycotoxin, was quantified in 3 personal filters at 3.73 μg m?3, 1.09 μg m?3 and 2.97 μg m?3. 相似文献