Over the past 30 years, the psychology of the Western world has changed beyond recognition due to technological advances such as the internet and the increased control that professionals have over many aspects of our lives.
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| http://dx.doi.org/10.7748/ns.31.2.29.s27 | DOI Listing |
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Aquatic plants mitigate pollution by enhancing the degradation of atrazine and diuron present in agricultural runoff.
Int J Phytoremediation
December 2024
Department of Ecology, Jinan University, Guangzhou, China.
Vegetated ditches have been demonstrated to be an effective method for pollutant remediation. This study assesses the removal potential and pathways for herbicide runoff pollution utilizing , , , and ditches. Resultes show these vegetated ditches significantly outperform unvegetated ones in removing atrazine and diuron during runoff events ( < 0.
View Article and Find Full Text PDFSummer CH ebullition strongly determines year-round greenhouse gas emissions from agricultural ditches despite frequent dredging.
J Environ Manage
January 2025
Department of Ecology, Radboud Institute for Biological and Environmental Sciences, Radboud University, Nijmegen, the Netherlands.
Recent studies indicate that greenhouse gas (GHG) emissions from agricultural drainage ditches can be significant on a per-unit area basis, but spatiotemporal investigations are still limited. Additionally, the impact of dredging - a common management in such environments - on ditch GHG emissions is largely unknown. This study presents year-round GHG emissions from nine ditches on a dairy farm in the center of the Netherlands, where each year, approximately half of the ditches are dredged in alternating cycles.
View Article and Find Full Text PDFTen-month comprehensive assessment of steroid hormones in the tributaries of Baiyun District, Guangzhou City, China: Spatiotemporal dynamics, source attribution, and environmental implications.
Sci Total Environ
January 2025
College of Natural Resources and Environment, Joint Institute for Environment & Education, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Arable Land Conservation (South China), MOA, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China. Electronic address:
The occurrence of steroid hormones in small river ecosystems raises environmental alarms due to their limited dilution capacity, heightened susceptibility to diverse pollution sources, and their substantial contribution to the contamination of larger river systems. Here, we investigated the occurrence of 40 steroid hormones over 10 months in 10 first-order tributaries (n = 250) of Guangzhou City, China. The observed concentrations of Σsteroid hormones ranged from 30.
View Article and Find Full Text PDFUnraveling the spatiotemporal trends and source attribution of polycyclic aromatic hydrocarbons and oxygenated derivatives in Guangzhou agricultural ditch sediment.
Ecotoxicol Environ Saf
January 2025
College of Natural Resources and Environment, Joint Institute for Environment & Education, South China Agricultural University, Guangzhou 510642, PR China; Key Laboratory of Arable Land Conservation (South China), MOA, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China. Electronic address:
Article Synopsis
- The study focused on the presence of oxygenated polycyclic aromatic hydrocarbons (OPAHs) and polycyclic aromatic hydrocarbons (PAHs) in agricultural ditch sediments in Guangzhou, China, highlighting their higher toxicity and mobility compared to traditional PAHs.
- It found that the concentrations of OPAHs and PAHs were significantly higher during the rainy season due to increased runoff and atmospheric deposition, with different sources linked to varying molecular weights of PAHs.
- The research employed analytical methods, revealing that fossil fuel combustion and vehicle emissions were major contributors to the contamination, while elevated risk quotients indicated a moderate to high ecological hazard in the studied sediments.
Bioaerosol emission and exposure risk from a wastewater treatment plant in winter and spring.
Ecotoxicol Environ Saf
November 2024
Research Centre for Occupation and Environment Medicine, Collaborative Innovation Centre for Medical Equipment, Key Laboratory of Biological Damage Effect and Protection, Luoyang 471031, PR China.
Article Synopsis
- The study investigated health risks from airborne pathogens in a wastewater treatment plant (WWTP) in Xi'an, China, focusing on bacterial concentrations and types emitted from different aeration tanks.
- The Anaerobic-Anoxic-Oxic (AAO) tank was found to release significantly more culturable bacteria, especially in spring (1.58×10^5 CFU/m³), making it the highest risk area for exposure compared to other tanks.
- A total of 139 bacterial genera, including potential human pathogens like Neisseria and Escherichia-Shigella, were identified, highlighting the need for improved bioaerosol management in WWTPs.
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