Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Dimitri Kalenitchenko"'
Autor:
Tim R. de Groot, Dimitri Kalenitchenko, Manuel Moser, Claudio Argentino, Giuliana Panieri, Matteus Lindgren, Knut Ola Dølven, Benedicte Ferré, Mette M. Svenning, Helge Niemann
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
Understanding methane flux dynamics in Arctic cold seep systems and the influence of oceanic currents on microbial methane-oxidizing bacteria (MOB) is crucial for assessing their impact on Arctic methane emissions. Here, we investigate methane dynami
Externí odkaz:
https://doaj.org/article/80e6d4a0bcc54d5c8880a6ea483a1ad6
Autor:
Muhammed Fatih Sert, Hannah D. Schweitzer, Tim R. de Groot, Timo Kekäläinen, Janne Jänis, Hans C. Bernstein, Bénédicte Ferré, Friederike Gründger, Dimitri Kalenitchenko, Helge Niemann
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
Cold seeps release methane (CH4) from the seafloor to the water column, which fuels microbially mediated aerobic methane oxidation (MOx). Methane-oxidising bacteria (MOB) utilise excess methane, and the MOB biomass serves as a carbon source in the fo
Externí odkaz:
https://doaj.org/article/64b2733884b64d85b5f02239da13189b
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Abstract Predicting ecosystem functioning requires an understanding of the mechanisms that drive microbial community assembly. Many studies have explored microbial diversity extensively and environmental factors are thought to be the principal driver
Externí odkaz:
https://doaj.org/article/24960d19fb2846bd8c51eef412f1b151
Autor:
Vincent Carrier, Mette M. Svenning, Friederike Gründger, Helge Niemann, Pierre-Antoine Dessandier, Giuliana Panieri, Dimitri Kalenitchenko
Publikováno v:
Frontiers in Microbiology, Vol 11 (2020)
Cold seeps are characterized by high biomass, which is supported by the microbial oxidation of the available methane by capable microorganisms. The carbon is subsequently transferred to higher trophic levels. South of Svalbard, five geological mounds
Externí odkaz:
https://doaj.org/article/d640afad2b3f432197fd83e66b516306
Publikováno v:
Frontiers in Marine Science, Vol 6 (2019)
Benthic foraminifera have been widely used as proxy for paleo-methane emissions, mainly based on their stable isotopic signature. In cold seeps, the ecology of these organisms remains uncertain, in particular their ability to thrive during active pha
Externí odkaz:
https://doaj.org/article/fa05e42f7402474c928be6f21cb92386
Publikováno v:
Frontiers in Marine Science, Vol 6 (2019)
Nares Strait is the northern most outflow gateway of the Arctic Ocean, with a direct connection to the remaining multi-year ice covered central Arctic Ocean. Nares Strait itself flows into the historically highly productive North Water Polynya (Pikia
Externí odkaz:
https://doaj.org/article/4da06defeb5c4dbc8a915459f2d73676
Autor:
Adrien Vigneron, Connie Lovejoy, Perrine Cruaud, Dimitri Kalenitchenko, Alexander Culley, Warwick F. Vincent
Publikováno v:
Frontiers in Microbiology, Vol 10 (2019)
Permafrost thawing results in the formation of thermokarst lakes, which are biogeochemical hotspots in northern landscapes and strong emitters of greenhouse gasses to the atmosphere. Most studies of thermokarst lakes have been in summer, despite the
Externí odkaz:
https://doaj.org/article/4fe34c0ea5a8476b862b113c642206cc
Autor:
Sonja K Fagervold, Chiara Romano, Dimitri Kalenitchenko, Christian Borowski, Amandine Nunes-Jorge, Daniel Martin, Pierre E Galand
Publikováno v:
PLoS ONE, Vol 9, Iss 5, p e96248 (2014)
The cornerstones of sunken wood ecosystems are microorganisms involved in cellulose degradation. These can either be free-living microorganisms in the wood matrix or symbiotic bacteria associated with wood-boring bivalves such as emblematic species o
Externí odkaz:
https://doaj.org/article/8e6634dd00d041ba9811ee42b7d6065d
The conventional use of mercuric chloride (HgCl2) as an antimicrobial agent in water samples for dissolved inorganic carbon (DIC) analysis poses health and environmental risks related to its handling and disposal. Even though there is an increasing i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::000b67d760f0afc20689b45c519c5e78
https://hdl.handle.net/10037/28954
https://hdl.handle.net/10037/28954
Autor:
Bénédicte Ferré, Giuliana Panieri, Dimitri Kalenitchenko, Claudio Argentino, Manuel Moser, Knut Ola Dølven, Muhammed Fatih Sert, Marie Stetzler, Alessandra Savini, Matteus Lindgren, Eleonore Jones, Tim De Groot, Jenny Friedrich, Stormer A. Jensen, Stig Vågenes, Jörn Patrick Meyer, Marco Micheel, Eyvind Erntsen
Publikováno v:
CAGE – Centre for Arctic Gas Hydrate, Environment and Climate Report Series. 8
During the cruise CAGE 20-7 (November 2nd to 16th 2020), we observed and investigated a large active methane seepage area south from the Yermak plateau (Northern Svalbard), in particular to characterize the water column and the sediment near known fl