Results 81 to 90 of about 3,847 (199)

Nitrogen Redox Controls on Greenhouse Gas Production in Yedoma Taliks

Global Change Biology, Volume 31, Issue 7, July 2025.
Arctic Yedoma permafrost holds large carbon and nitrogen pools that, when thawed, undergo microbially mediated processes that release greenhouse gases like methane and nitrous oxide. We analyzed seasonal shifts in microbial community dynamics and geochemistry in deep thawed soils (talik) and found year‐round methane production, with limited winter ...
Oded Bergman, Katey Walter Anthony, E. Eliani‐Russak, Orit Sivan   +3 more
wiley   +1 more source

关于复合外套MOA机械强度计算问题的研究

Gaoya dianqi, 2007
针对电力系统应用广泛的复合外套金属氧化物避雷器（PMOA）机械强度的计算问题,进行了分析研究,并提出了定量分析公式,即采用PMOA顶端的转角θ和挠度f来衡量载荷对避雷器变形量的大小。分析计算结果表明:在载荷一定的情况下,减少PMOA的长度可以明显减小外部载荷对其产生的变形量,从而提高其机械性能。
马春华
doaj  

Identification of Endophytic Bacterial Community Associated With Roots of Desert Vegetation

Journal of Sustainable Agriculture and Environment, Volume 4, Issue 2, June 2025.
ABSTRACT Native plants thriving in extreme environments host unique microbial communities that might play crucial roles in promoting their growth and enhancing tolerance to harsh environmental conditions. In this study, the root‐associated microbial communities were analysed from ten desert native plant species.
Shafeeq Rahman, Mughair Abdul Aziz, Azra Shamim, Manzoor Ahmad, Juma Ali Saif Alneyadi, Ahmed Nasser Youssef, Abdulrahman Saeed Alreyashi, Abdulla Mohammed Alshamsi, Khaled Masmoudi   +8 more
wiley   +1 more source

Draft genome sequence of uncultured upland soil cluster gammaproteobacteria gives molecular insights into high-affinity methanotrophy [PDF]

, 2017
Aerated soils form the second largest sink for atmospheric CH₄. A nearcomplete genome of uncultured upland soil cluster Gammaproteobacteria that oxidize CH₄ at 2.5 ppmv was obtained from incubated Antarctic mineral cryosols.
Cary, S. Craig, Edwards, Collin R., Lau, Maggie C. Y., Lee, Charles Kai-Wu, Miller, Jennifer M., Onstott, Tullis C., Pointing, Stephen B., Wang, We, Wiggins, Jessica B.   +8 more
core   +1 more source

Isoprene Production by Sphagnum Moss Is Balanced by Microbial Uptake, as Revealed by Selective Inhibitors

Environmental Microbiology, Volume 27, Issue 6, June 2025.
Sphagnum moss, typical of northern peatlands, produces a range of volatile organic compounds, principally the climate‐active compound, isoprene, which serves as a carbon source for specialist isoprene‐consuming microbes. Using an inhibitor of microbial isoprene uptake, we quantify gross isoprene production by the moss and show that the vast majority of
Andrew T. Crombie, Chloe L. Wright, Ornella Carrión, Laura E. Lehtovirta‐Morley, J. Colin Murrell   +4 more
wiley   +1 more source

A pmoA-based study reveals dominance of yet uncultured Type I methanotrophs in rhizospheres of an organically fertilized rice field in India [PDF]

3 Biotech, 2016
Rice fields are one of the important sources of anthropogenic methane. Methanotrophs can oxidize up to 30 % of the produced methane and thus have a pivotal environmental role in methane mitigation. India occupies the largest region under rice cultivation; however, most of the studies done on methanotrophic communities have focused on the Northern ...
Pandit, Pranitha S., Ranade, Dilip R., Dhakephalkar, Prashant K., Rahalkar, Monali C.   +3 more
openaire   +2 more sources

Patterns and geographical drivers for the abundance of CO2-assimilating bacteria, methanotrophs and CO-oxidizing bacteria in agricultural soils across eastern China

Journal of Integrative Agriculture
Microorganisms carrying cbbL, pmoA and coxL genes play crucial roles in regulating soil-atmosphere exchanges of carbon trace gases (CO2, CH4, and CO). However, the geographical distribution patterns of these functional genes in agricultural ecosystems ...
Shengmeng Zheng, Yinhang Xia, Hang Qiao, Ji Liu, Fen Jia, Miaomiao Zhang, Hongzhao Yuan, Youming Zhang, Xuyang He, Jinshui Wu, Yirong Su, Xiangbi Chen   +11 more
doaj   +1 more source

Methanotrophs from natural ecosystems as biocontrol agents for ruminant methane emissions [PDF]

, 2012
In ruminant cattle, the anaerobic fermentation of ingested plant biomass results in the production of methane (CH4). This CH4 is subsequently eructated to the environment, where it acts as a potent greenhouse gas and is one of the leading sources of ...
Finn, Damien, Klieve, Athol, Ouwerkerk, Diane   +2 more
core   +1 more source

Environmental Gradients and Conservation Status Determine the Structure and Carbon‐Related Metabolic Potential of the Prokaryotic Communities of Mediterranean Inland Saline Shallow Lakes

Ecology and Evolution, Volume 15, Issue 5, May 2025.
Mediterranean inland saline shallow lakes are divided into different categories according to their salinity and conservation status, which determine the structuration of the prokaryotic communities and their carbon‐related metabolisms. ABSTRACT Mediterranean inland saline lakes may play an important role in the carbon cycle due to the metabolic ...
Javier Miralles‐Lorenzo, Antonio Picazo, Carlos Rochera, Daniel Morant, Emilio O. Casamayor, Mateu Menéndez‐Serra, Antonio Camacho   +6 more
wiley   +1 more source

Differentiated Mechanisms of Biochar Mitigating Straw-Induced Greenhouse Gas Emissions in Two Contrasting Paddy Soils

Frontiers in Microbiology, 2018
Straw returns to the soil is an effective way to improve soil organic carbon and reduce air pollution by straw burning, but this may increase CH4 and N2O emissions risks in paddy soils.
Ya-Qi Wang, Ya-Qi Wang, Ren Bai, Hong J. Di, Liu-Ying Mo, Liu-Ying Mo, Bing Han, Bing Han, Li-Mei Zhang, Li-Mei Zhang, Ji-Zheng He, Ji-Zheng He   +11 more
doaj   +1 more source