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Active Moss Biomonitoring of Mercury in the Mine-Polluted Area of Abbadia San Salvatore (Mt. Amiata, Central Italy).
Toxics
December 2024
CNR-IGG Institute of Geosciences and Earth Resources, Via La Pira 4, 50121 Florence, Italy.
Active biomonitoring of mercury (Hg) using non-indigenous moss bags was performed for the first time within and around the former Hg mining area of Abbadia San Salvatore (Mt. Amiata, central Italy). The purpose was to discern the Hg spatial distribution, identify the most polluted areas, and evaluate the impacts of dry and wet deposition on mosses.
View Article and Find Full Text PDFEffect of Sodium Sulfate Solution Coupled with Wetting-Drying Cycles on the Properties of Nano-Alumina-Modified Concrete.
Nanomaterials (Basel)
January 2025
Heilongjiang Transportation Information and Science Research Center, Harbin 150080, China.
The degradation of concrete caused by sulfate attack poses a significant challenge to its durability. Using nanomaterials to enhance the mechanical and durability properties of concrete is a promising solution. A study of the durability of nano-alumina (NA)-modified concrete by sulfate erosion was carried out.
View Article and Find Full Text PDFMethylmercury in subarctic amphibians: environmental gradients, bioaccumulation, and estimated flux.
Environ Toxicol Chem
January 2025
New Jersey Water Science Center, U.S. Geological Survey, Lawrenceville, NJ, United States.
Rapid warming in polar regions is causing large changes to ecosystems, including altering environmentally available mercury (Hg). Although subarctic freshwater systems have simple vertebrate communities, Hg in amphibians remains unexplored. We measured total Hg (THg) in wetland sediments and methylmercury (MeHg) in multiple life-stages (eggs to adults) of wood frogs (Rana sylvatica) and larval boreal chorus frogs (Pseudacris maculata) from up to 25 wetlands near Churchill, Manitoba (Canada), during the summers of 2018-2019.
View Article and Find Full Text PDFSexual Mosaicism and Teratogenesis in Simulium guianense s.l. and S. incrustatum s.l. (Diptera: Simuliidae), Onchocerciasis vectors, from Environmentally Impacted Areas in the Yanomami Indigenous Land, Brazil.
Neotrop Entomol
January 2025
Integrated Lab of Simuliidae and Onchocerciasis, Medical and Forensic Entomology, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, RJ, Brazil.
Sexual mosaics in Simuliidae members have been detected at low frequencies in various locations worldwide. These phenotypic expressions are expected in very small amounts in any natural insect population and may result from inherent individual formation factors, such as hormonal or external elements, i.e.
View Article and Find Full Text PDFAssessment of environmental impacts of heavy metal pollution in rice in Nanning, China.
Sci Rep
January 2025
Nanning Center for Disease Control and Prevention, Nanning, 530021, Guangxi, China.
Nowadays rice has become one of the world's staple foods. Rice in southern China is also a staple food for everyone, however, with the development of China's industrialization model, many industrial areas may be contaminated by heavy metals, leading to contamination of the agricultural areas. With the development of recent years, Nanning has become a heavily industrial development area, and rice is also a favourite staple food.
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