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Transcriptomic and Biochemical analysis of Procambarus clarkii upon exposure to Pesticides: Population-Specific responses as a sign of pollutant resistance?
Environ Res
January 2025
UMR-MARBEC, Université de Montpellier, CNRS, Ifremer, IRD, Place Eugène Bataillon, Montpellier 34095, France; Australian Rivers Institute, Griffith University, Gold Coast, 4215 Queensland, Australia. Electronic address:
The effects that anthropogenic stressors may have on modulating species' plasticity has been relatively unexplored; however, it represents a scientific frontier that may offer insights into their ability to colonize new habitats. To explore the advantage that inhabiting polluted environments may offer to invasive species, we selected the crayfish Procambarus clarkii, a species that can colonize and thrive in a wide range of aquatic environments, including heavily polluted ones. Here, we studied the molecular and physiological responses of crayfish when experimentally exposed to a pesticide mix of azoxystrobin and oxadiazon at sublethal concentrations.
View Article and Find Full Text PDFPhosphorus release under short-term submergence of pasture soils in critical source areas.
J Environ Manage
January 2025
Institute for Sustainability, Energy and Environment, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA.
Critical source areas (CSAs) can act as a source of phosphorus (P) in surface waters by releasing soil P to porewater during frequent rainfall events. The extent of P release under short-term, frequent submergence has not been systematically studied in CSAs in New Zealand. A study was conducted to explore the potential of three contrasting dairy and sheep/beef farm soils (Recent, Pallic and Allophanic soils) to release P to porewater and pondwater under short-term and frequent submergence.
View Article and Find Full Text PDFKinetic evaluation for Cs desorption from riverine particles in seawater, and exploration of sorbent agents for fixation of the desorbed fraction.
J Environ Radioact
January 2025
Institute of Environmental Radioactivity, Fukushima University, Fukushima, Fukushima, 960-1296, Japan.
In this study, we evaluated 1) the potential ability of sorbents to adsorb Cs desorbed from contaminated riverine particles that had been introduced into seawater, and 2) the rates of desorption of Cs from weak and strong sorption sites. We performed particle-seawater desorption experiments to simulate the mixing of riverine particles with seawater and used a kinetic model to simulate results. We tested two sorbent agents: beach sand collected from less contaminated coast and zeolite.
View Article and Find Full Text PDFExploring wood-derived biochar potential for electrochemical sensing of fungicides mancozeb and maneb in environmental water samples.
Talanta
January 2025
Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Trg D. Obradovića 3, 21000, Novi Sad, Serbia.
The sustainable material, biochar (BC) from a hardwood source, was synthesized via pyrolysis process at 400 °C (BC400) and 700 °C (BC700) and used as a modifier during the electrochemical sensor design. The prepared BCs were characterized by scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) analysis, and elemental analysis (CHNS). The development of rapid analytical techniques for detecting pesticides employing a low-cost carbon paste electrode (CPE) modified with BC is a novel strategy to provide a sensitive response to water pollution.
View Article and Find Full Text PDFImpact of cascade reservoir on the sources of organic matter in sediments of Lancang river.
iScience
January 2025
Technology R&D Center, Huaneng Lancang River Hydropower Inc., Kunming 650000, China.
The construction of dams to intercept natural rivers constitutes the most severe human activity influencing the underlying surface. This study focuses on four cascade reservoirs of the Lancang River and explores their impact on the migration of organic matter in sediments. The research reveals significant spatial variations in total organic carbon (TOC) and total nitrogen concentrations in the sediments of the four reservoirs.
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