Results 111 to 120 of about 38,162 (238)

Topography, management, and extreme precipitation influence greenhouse gas emissions in a cool, humid corn silage system

Journal of Environmental Quality, Volume 55, Issue 3, May/June 2026.
Abstract Agricultural soils are sources of nitrous oxide (N2O) and, under prolonged saturation, methane (CH4)—two potent greenhouse gases (GHGs). Soil management, field topography, and climate all influence GHG emissions, yet their interactions are not well understood.
Molly Ratliff, Joshua W. Faulkner, Eric D. Roy, Marie English, Dan Liptzin, Reza K. Afshar, E. Carol Adair   +6 more
wiley   +1 more source

Effect of Ethanol on Microbial Community Structure and Function During Natural Attenuation of Benzene, Toluene, and \u3cem\u3eo\u3c/em\u3e-Xylene in a Sulfate-reducing Aquifer [PDF]

, 2008
Ethanol (EtOH) is a commonly used fuel oxygenate in reformulated gasoline and is an alternative fuel and fuel supplement. Effects of EtOH release on aquifer microbial ecology and geochemistry have not been well characterized in situ.
Chakraborty, Irina, de Sieyes, Nick, Einarson, Murray, Feris, Kevin, Hristova, Krassimira R., Mackay, Doug, Scow, Kate M.   +6 more
core   +1 more source

Bioaugmentation of Overloaded Anaerobic Digesters Restores Function and Archaeal Community [PDF]

, 2015
Adding beneficial microorganisms to anaerobic digesters for improved performance (i.e. bioaugmentation) has been shown to decrease recovery time after organic overload or toxicity upset.
Maki, James, Tale, Vaibhav Panjabrao, Zitomer, Daniel   +2 more
core   +2 more sources

Critical Review: The Past, Present, and Future of Small Intestinal Bacterial Overgrowth (SIBO)

JGH Open, Volume 10, Issue 5, May 2026.
ABSTRACT Small intestinal bacterial overgrowth (SIBO) has evolved from a severe debilitating illness to a clinical spectrum associated with abnormalities of microbial populations in the small intestine. It is best described as a pathophysiological state that may contribute to symptoms or other pathology in a wide range of gastrointestinal conditions ...
Ayesha Shah, Gerald Holtmann, Peter R. Gibson   +2 more
wiley   +1 more source

Microplastic addition has no detectable effect on ecosystem metabolism or diel dinitrogen flux in a large in‐lake mesocosm experiment under oligotrophic conditions

Limnology and Oceanography, Volume 71, Issue 5, May 2026.
Abstract Ecosystem metabolism (e.g., gross primary production [GPP], respiration [R], and net ecosystem production) integrates the activity of aerobic organisms and is an indicator of environmental change. Microplastics (i.e., particles 1–5 mm) are widespread in freshwater ecosystems and are colonized by biofilms and other organisms.
Raúl F. Lazcano, Emily Johnson, Scott Higgins, Kennedy Bucci, Rachel McNamee, Cody Veneruzzo, Desiree Langenfeld, Diane M. Orihel, Michael D. Rennie, Matthew Hoffman, Michael Paterson, Jennifer F. Provencher, Chelsea M. Rochman, Timothy J. Hoellein   +13 more
wiley   +1 more source

Theoretical Analysis of Landfill Gas Migration in Capillary Barrier Covers Considering Effects of Waste Temperature

Applied Sciences
The high-temperature and high-humidity conditions arising from the biochemical degradation of landfill waste result in significant temperature gradients within the landfill cover.
Tao Wu, Huaning Yang, Jiankang Cheng, Guannian Chen, Haoqing Xu, Lei Zhang   +5 more
doaj   +1 more source

Genomic reconstruction of an uncultured hydrothermal vent gammaproteobacterial methanotroph (family Methylothermaceae) indicates multiple adaptations to oxygen limitation

Frontiers in Microbiology, 2015
Hydrothermal vents are an important contributor to marine biogeochemistry, producing large volumes of reduced fluids, gasses, and metals and housing unique, productive microbial and animal communities fueled by chemosynthesis.
Connor Tobias Skennerton, Lewis M Ward, Alice eMichel, Kyle eMetcalfe, Chanel eValiente, Sean eMullin, Ken Y Chan, Viviana eGradinaru, Victoria J Orphan   +8 more
doaj   +1 more source

Altered greenhouse gas emissions in shallow lakes invaded by common carp (Cyprinus carpio)

Limnology and Oceanography Letters, Volume 11, Issue 3, May 2026.
Abstract Species invasions are among the most important environmental problems facing freshwater ecosystems this century, contributing to biodiversity loss and changes in ecosystem function. Freshwater lakes are an important component of the global carbon cycle and a key source of atmospheric greenhouse gases, yet the consequences of species invasions ...
Joseph S. Rabaey, Brian J. Huser, Przemyslaw G. Bajer, John A. Downing   +3 more
wiley   +1 more source

Soil Organic Matter and its Stability in Aerobic and Anaerobic Conditions

Soil and Water Research, 2006
In eight samples of organic and organomineral surface horizons we studied the stability of soil organic matter in aerobic and anaerobic conditions expressed by the rate constant of its biochemical oxidation, total biochemical oxygen demand, substrate ...
Ladislav Kolář, Rostislav Ledvina, Stanislav Kužel, František Klimeš, Pavel Štindl   +4 more
doaj   +1 more source

Microbial impact on the isotope composition of methane in both thermal and hyperalkaline waters of central Greece [PDF]

, 2019
Introduction The different origins of methane can be subdivided in biogenic (either directly produced by microbial activity or deriving by decay of organic matter at T > 150\ub0C) and abiogenic (from pure inorganic reactions). Among the latter, one of
D'Alessandro Walter, Gagliano Antonina LIsa, Daskalopoulou Kyriaki, Calabrese Sergio, Li Vigni Lorenza
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