Results 71 to 80 of about 5,840 (173)

Anaerobic oxidation of methane associated with sulfate reduction in a natural freshwater gas source [PDF]

open access: yes, 2015
The occurrence of anaerobic oxidation of methane (AOM) and trace methane oxidation (TMO) was investigated in a freshwater natural gas source. Sediment samples were taken and analyzed for potential electron acceptors coupled to AOM.
A Boetius   +84 more
core   +2 more sources

Archaeal Methane Cycling Communities Associated with Gassy Subsurface Sediments of Marennes-Oléron Bay (France)

open access: yes, 2009
En libre-accès sur Archimer : http://archimer.ifremer.fr/doc/2009/publication-6165.pdfInternational audienceIn Marennes-Oleacuteron Bay, a macro-tidal bay located on the French Atlantic coast, kilometer-scale acoustic turbidity reveals an accumulation of
Allard, Jonathan   +6 more
core   +2 more sources

The Apparent Involvement of ANMEs in Mineral Dependent Methane Oxidation, as an Analog for Possible Martian Methanotrophy [PDF]

open access: yes, 2011
On Earth, marine anaerobic methane oxidation (AOM) can be driven by the microbial reduction of sulfate, iron, and manganese. Here, we have further characterized marine sediment incubations to determine if the mineral dependent methane oxidation ...
Beal, Emily J.   +2 more
core   +3 more sources

Cryptic Carbon Cycle at Methane‐Seeps of the South China Sea: Evidence From Porewaters

open access: yesGeophysical Research Letters, Volume 52, Issue 23, 16 December 2025.
Abstract Anaerobic oxidation of methane (AOM) governs methane consumption at seeps, yet δ13C‐CH4 values in the sulfate‐methane transitions are commonly lower than predicted from preferential 12C utilization by methanotrophic archaea, suggesting the influence of a different methane source. To address this isotope discrepancy, we used high‐resolution ion
Jinyu Zhu   +7 more
wiley   +1 more source

Origin of lipid biomarkers in mud volcanoes from the Alboran Sea, western Mediterranean [PDF]

open access: yesBiogeosciences, 2014
Mud volcanoes (MVs) are the most prominent indicators of active methane/hydrocarbon venting at the seafloor on both passive and active continental margins.
C. López-Rodríguez   +4 more
doaj   +1 more source

Overview of geothermal resource exploration and development in North Africa

open access: yesDeep Underground Science and Engineering, Volume 4, Issue 4, Page 673-685, December 2025.
This article reviews geothermal exploration in North Africa, highlighting key activities, government policies, and exploration findings across Mauritania, Morocco, Algeria, Tunisia, Libya, and Egypt. The region's substantial geothermal potential, driven by tectonic activity, positions it to play a significant role in the global geothermal energy ...
Meryem Redouane
wiley   +1 more source

The Guaymas Basin Subseafloor Sedimentary Archaeome Reflects Complex Environmental Histories

open access: yesiScience, 2020
Summary: We explore archaeal distributions in sedimentary subseafloor habitats of Guaymas Basin and the adjacent Sonora Margin, located in the Gulf of California, México.
Gustavo A. Ramírez   +7 more
doaj   +1 more source

Spatial structure and activity of sedimentary microbial communities underlying a Beggiatoa spp. mat in a Gulf of Mexico hydrocarbon seep. [PDF]

open access: yesPLoS ONE, 2010
BACKGROUND: Subsurface fluids from deep-sea hydrocarbon seeps undergo methane- and sulfur-cycling microbial transformations near the sediment surface.
Karen G Lloyd   +5 more
doaj   +1 more source

Anaerobic oxidation of methane in hypersaline cold seep sediments [PDF]

open access: yes, 2017
Life in hypersaline environments is typically limited by bioenergetic constraints. Microbial activity at the thermodynamic edge, such as the anaerobic oxidation of methane (AOM) coupled to sulphate reduction (SR), is thus unlikely to thrive in these ...
Akhmetzhanov, Andrey   +7 more
core  

Correlating microbial community profiles with geochemical data in highly stratified sediments from the Arctic Mid-Ocean Ridge [PDF]

open access: yes, 2012
Microbial communities and their associated metabolic activity in marine sediments have a profound impact on global biogeochemical cycles. Their composition and structure are attributed to geochemical and physical factors, but finding direct correlations ...
Baumberger, Tamara   +10 more
core   +1 more source

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