Results 31 to 40 of about 263 (120)

Effects of nitrogen load on the function and diversity of methanotrophs in the littoral wetland of a boreal lake

Frontiers in Microbiology, 2012
Methane is the second most abundant greenhouse gas in the atmosphere. A major part of the total methane emissions from lake ecosystems are emitted from littoral wetlands. Methane emissions are significantly reduced by methanotrophs as they use methane as
Henri MP Siljanen, Henri MP Siljanen, Anne eSaari, Levente eBodrossy, Levente eBodrossy, Pertti J Martikainen   +5 more
doaj   +1 more source

Spatial Partitioning of Microbial Functional Potential Suggests Complex Nitrogen Cycling in a Subterranean Estuary

Environmental Microbiology, Volume 28, Issue 8, August 2026.
Microbial communities in a Mediterranean subterranean estuary show spatially structured nitrogen‐cycling potential across hydrochemical zones. Microbial properties, more than environmental variables, predict NO2− and NH4+ concentrations, highlighting their key role in controlling nitrogen transformations prior to submarine groundwater discharge ...
Daniel Romano‐Gude, Nestor Arandia‐Gorostidi, Catalina Mena, Marc Diego‐Feliu, Bella Almillategui, Anna J. Székely, Stefan Bertilsson, Andrea G. Bravo, Jesus Carrera, Cristina Romera‐Castillo, Albert Folch, Jordi Garcia‐Orellana, Valentí Rodellas, Clara Ruiz‐González   +13 more
wiley   +1 more source

Enhancing the Advanced Lake Biogeochemistry Model for Application to Thermokarst Lakes on Qinghai‐Tibet Plateau

Journal of Advances in Modeling Earth Systems, Volume 18, Issue 7, July 2026.
Abstract Thermokarst lakes on Qinghai‐Tibet Plateau (QTP) are significant sources of greenhouse gas emissions, yet the underlying governing processes remain poorly understood. This study refines the Advanced Lake Biogeochemistry Model (ALBM) to characterize the unique environmental and biogeochemical processes of QTP thermokarst lakes. Key improvements
Jiahui Lin, Lei Wang, Zeli Tan, Tong Zhang, Hongyu Zhao, Zhiqiang Wei, Qian Xu, Bo Su, Yaru Feng, Hao Cui, Zhiheng Du, Wenxin Zhang, Cunde Xiao   +12 more
wiley   +1 more source

Diversity and potential activity of methanotrophs in high methane-emitting permafrost thaw ponds. [PDF]

PLoS ONE, 2017
Lakes and ponds derived from thawing permafrost are strong emitters of carbon dioxide and methane to the atmosphere, but little is known about the methane oxidation processes in these waters.
Sophie Crevecoeur, Warwick F Vincent, Jérôme Comte, Alex Matveev, Connie Lovejoy   +4 more
doaj   +1 more source

Vegetation Increases CH4 Emissions and Methanotroph Diversity in Marine Sediments

Global Change Biology, Volume 32, Issue 7, July 2026.
Seagrass meadows enhance carbon burial but also increase methane (CH4) emissions from marine sediments. The presence of seagrass modifies sediment properties, creating carbon‐rich environments characterized by higher carbon accumulation and CO2 fluxes, which stimulate CH4 production and lead to higher emissions.
Marion Dolivet‐Maréchal, Carlos Palacin‐Lizarbe, Henri M. P. Siljanen, Dhiraj Paul, Abigaïl Delort, Jonathan Gervaix, Charline Creuzé des Châtelliers, Sabine Schmidt, Mathis Cognat, David Sebag, Olivier Taugourdeau, Clara Schübert, Nathalie Labourdette, Isabelle Bertrand, Lorenzo M. W. Rossi, Xavier Le Roux, Agnès Richaume, Alessandro Florio   +17 more
wiley   +1 more source

Aerobic methanotrophic communities at the Red Sea brine-seawater interface

Frontiers in Microbiology, 2014
The central rift of the Red Sea contains 25 brine pools with different physicochemical conditions, dictating the diversity and abundance of the microbial community.
Rehab Z. Abdallah, Mustafa eAdel, Amged eOuf, Ahmed eSayed, Mohamed A. Ghazy, Intikhab eAlam, Magbubah eEssack, Feras F. Lafi, Vladimir eBajic, Hamza eEl-Dorry, Rania eSiam   +10 more
doaj   +1 more source

Scientific Opinion on waiving of the dog studies in the regulatory process of agrochemicals approval

EFSA Journal, Volume 24, Issue 7, July 2026.
Abstract Commission Regulation (EU) No. 283/2013 sets out the data requirements for pesticide active substances and includes short‐term oral toxicity testing in rodents (90‐day rat study) and non‐rodents (90‐day dog study) to support human health hazard assessment for pesticide active substances in the European Union (EU). However, the relevance of the
EFSA Panel on Plant Protection Products and their Residues (PPR), Tamara Coja, Pauline Adriaanse, Antonio Finizio, Maeva Giraudo, Thomas Kuhl, Emily McVey, Francesca Metruccio, Martin Paparella, Silvia Pieper, Eugenio Scanziani, Ivana Teodorovic, Paul Van der Brink, Martin Wilks, Antonio Hernandez‐Jerez, Olavi Pelkonen, Andrea Terron, Jochem Louisse, Martina Panzarea, Adriana Scattareggia Marchese, Judy Choi   +20 more
wiley   +1 more source

PMOA-TTS: Introducing the PubMed Open Access Textual Times Series Corpus

CoRR
Clinical narratives encode temporal dynamics essential for modeling patient trajectories, yet large-scale temporally annotated resources are scarce. We introduce PMOA-TTS, a corpus of 124,699 single-patient PubMed Open Access case reports converted into structured textual timelines of (event, time) pairs using a scalable large-language-model pipeline ...
Shahriar Noroozizadeh, Sayantan Kumar, George H. Chen, Jeremy C. Weiss   +3 more
openaire   +2 more sources

Microbial Ecology of Methanotrophy in Streams Along a Gradient of CH4 Availability

Frontiers in Microbiology, 2020
Despite the recognition of streams and rivers as sources of methane (CH4) to the atmosphere, the role of CH4 oxidation (MOX) in these ecosystems remains poorly understood to date.
Alexandre Bagnoud, Paraskevi Pramateftaki, Matthew J. Bogard, Tom J. Battin, Hannes Peter   +4 more
doaj   +1 more source

Changes in Soil Chemical Properties Due to Long-Term Compost Fertilization Regulate Methane Turnover Related Gene Abundances in Rice Paddy

Applied Sciences, 2022
Maintaining rice yield, soil function, and fertility are essential components of long-term compost fertilization. However, paddy fields are major sources of anthropogenic methane emissions. The aim of the study is to evaluate the changes in soil chemical
Chungwoo Kim, Denver I. Walitang, Aritra Roy Choudhury, Yi Lee, Sanghun Lee, Hyenchung Chun, Tae-Young Heo, Kido Park, Tongmin Sa   +8 more
doaj   +1 more source