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Environmental contaminants assessment for frequently harvested migratory waterfowl in the Northeast Atlantic flyway.
Sci Total Environ
January 2025
Wildlife Health Lab, Animal Health Diagnostic Center, College of Veterinary Medicine, Cornell University, 240 Farrier Rd, Ithaca, NY 14853, USA. Electronic address:
Waterfowl serve as indicators of ecosystem health and represent a pathway of contaminant exposure for hunters who consume them. In the northeast Atlantic Flyway, data on baseline contaminant loads in waterfowl are lacking. We assessed five species of commonly harvested (and consumed) waterfowl for mercury, polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans, polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs), and per- and polyfluoroalkyl substances (PFAS).
View Article and Find Full Text PDFA review on WO photocatalysis used for wastewater treatment and pesticide degradation.
Heliyon
January 2025
Department of Chemistry, Nazarbayev University, Astana, 010000, Kazakhstan.
The rapid growth in the global population has led to increased environmental pollution and energy demands, exacerbating the issue of environmental contamination. This contamination is significantly impacted by various types of pesticides found in water sources, which pose serious health risks to humans, animals, and aquatic ecosystems. In response, extensive research into water treatment technologies has been conducted, focusing on efficient methods to remove these pollutants, with advanced oxidation processes and the utilization of tungsten trioxide (WO) as a photocatalyst showing promising results.
View Article and Find Full Text PDFInteractions between contaminants and the trophic ecology of two seabirds in a coastal lagoon of the Gulf of California.
Ecotoxicology
January 2025
Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Mazatlán, Sinaloa, México.
Monitoring the dynamics of contaminants in ecosystems helps understand their potential effects. Seabirds have been used as biomonitors of marine ecosystems for this purpose. However, exposure and vulnerability to pollutants are understudied in tropical species, and the relationships between various pollutants and the trophic ecology of seabirds are poorly understood.
View Article and Find Full Text PDFTemporal development of chlorinated hydrocarbons in the Baltic Sea sediments: Characterization of the pollution maximum.
Sci Total Environ
January 2025
Leibniz Institute for Baltic Sea (IOW), Marine Chemistry Department, Seestraße 15, 18119 Rostock, Germany; IOW, Seestraße 15, 18119 Rostock, Germany. Electronic address:
The Baltic Sea, a semi-enclosed marginal sea with a catchment area four times its size, acts as a sink and continues to show detectable levels of persistent organic pollutants (POPs) in its sediments. This is attributed to the synthesis and industrial use of commercial polychlorinated biphenyls (PCB) products, as well as the widespread use and discharge of certain chlorinated pesticides into the natural environment during the last century. Our study investigates chlorinated hydrocarbon pollutants, the polychlorinated biphenyls (PCBs), dichlorodiphenyltrichloroethane (DDT) and its metabolites as well as hexachlorobenzene (HCB) in sediments based on several short sediment cores from different basins covering almost the entire Baltic Sea.
View Article and Find Full Text PDFHalogenated organic compounds in mangrove sediments from Bintan Island, Indonesia: Occurrence, profiles, sources, and potential ecological risk.
Environ Pollut
January 2025
Center of Advanced Technology for the Environment (CATE), Graduate School of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, 790-8566, Japan; Center for Marine Environmental Studies (CMES), Ehime University, 2-5 Bunkyo-cho, Matsuyama, 790-8577, Japan. Electronic address:
The first comprehensive analysis of halogenated organic compounds (HOCs), including 209 full congeners of polychlorinated biphenyls (PCBs), 26 organochlorinated pesticides (OCPs), 41 polybrominated diphenyl ethers (PBDEs), and four other brominated flame retardants (BFRs), was performed on surface mangrove sediments from Bintan Island, Province of the Riau Archipelago, Indonesia. Among the measured HOC contaminants, the mean concentration of ∑PCBs (2.3 ± 0.
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