Items where Author is "Wagner, Dirk"

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Number of items: 208.

Article

Barbier, B. , Dziduch, I. , Liebner, S. , Ganzert, L. , Lantuit, H. , Pollard, W. and Wagner, D. (2012)
Methane-cycling communities in a permafrost-affected soil on Herschel Island, Western Canadian Arctic: active layer profiling of mcrA and pmoA genes ,

FEMS Microbiology Ecology .

doi:10.1111/j.1574-6941.2012.01332.x , hdl:10013/epic.39389

Article

Ulrich, M. , Wagner, D. , Hauber, E. , de Vera, J. P. and Schirrmeister, L. (2012)
Habitable periglacial landscapes in Martian mid-latitudes ,

Icarus, 219 , pp. 345-357 .

doi:10.1016/j.icarus.2012.03.019 , hdl:10013/epic.39038

Article

Ganzert, L. , Bajerski, F. , Mangelsdorf, K. , Lipski, A. and Wagner, D. (2011)
Arthrobacter livingstonensis sp. nov. and Arthrobacter cryotolerans sp. nov., salt- and psychrotolerant species isolated from Livingston Island, Antarctica ,

International Journal of Systematic and Evolutionary Microbiology 61, pp. 979-984 .

doi:10.1099/ijs.0.021022-0 , hdl:10013/epic.37033

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Article

Bajerski, F. , Ganzert, L. , Mangelsdorf, K. , Lipski, A. and Wagner, D. (2011)
Cryobacterium arcticum sp. nov., a psychrotolerant bacterium from an Arctic soil ,

International Journal of Systematic and Evolutionary Microbiology 61, pp. 1849-1853 .

doi:10.1099/ijs.0.027128-0 , hdl:10013/epic.37842

Article

Ganzert, L. , Bajerski, F. , Mangelsdorf, K. , Lipski, A. and Wagner, D. (2011)
Leifsonia psychrotolerans sp. nov., a psychrotolerant species of the family Microbacteriaceae from Livingston Island, Antarctica ,

International Journal of Systematic and Evolutionary Microbiology, 61 , pp. 1938-1943 .

doi:10.1099/ijs.0.021956-0 , hdl:10013/epic.37841

Article

Cavicchioli, R. , Amils, R. , Wagner, D. and McGenity, T. (2011)
Life and applications of extremophiles ,

Environmental Microbiology, WILEY-BLACKWELL PUBLISHING, 13 (8), pp. 1903-1907 .

doi:10.1111/j.1462-2920.2011.02512.x , hdl:10013/epic.38354

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Article

Liebner, S. , Zeyer, J. , Wagner, D. , Schubert, C. , Pfeiffer, E. M. and Knoblauch, C. (2011)
Methane oxidation associated with submerged brown mosses reduces methane emissions from Siberian polygonal tundra ,

Journal of Ecology, 99 (4), pp. 914-922 .

doi:10.1111/j.1365-2745.2011.01823.x , hdl:10013/epic.37635

Article

Ganzert, L. , Lipski, A. , Hubberten, H. W. and Wagner, D. (2011)
The impact of different soil parameters on the community structure of dominant bacteria from nine different soils located on Livingston Island, South Shetland Archipelago, Antarctica. ,

FEMS Microbiology Ecology, 76 (3), pp. 476-491 .

doi:10.1111/j.1574-6941.2011.01068.x , hdl:10013/epic.37478

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Article

Meyer, H. , Schirrmeister, L. , Andreev, A. , Wagner, D. , Hubberten, H. W. , Yoshikawa, K. , Bobrov, A. , Wetterich, S. , Opel, T. , Kandiano, E. and Brown, J. (2010)
Late Glacial and Holocene isotopic and environmental history of northern coastal Alaska results from a buried ice-wedge system at Barrow ,

Quaternary Science Reviews. 29, pp. 3720-3735 .

doi:10.1016/j.quascirev.2010.08.005 , hdl:10013/epic.36030

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Article

Vieira, G. , Bockheim, J. , Guglielmin, M. , Balks, M. , Abramov, A. A. , Boelhouwers, J. , Cannone, N. , Ganzert, L. , Gilichinsky, D. , Goryachkin, S. , López-Martinez, J. , Meiklejohn, I. , Raffi, R. , Ramos, M. , Schaefer, C. , Serrano, E. , Simas, F. , Sletten, R. and Wagner, D. (2010)
Thermal state of permafrost and active-layer monitoring in the Antarctic: advances during the International Polar Year 2007-2009 ,

Permafrost and Periglacial Processes 21(2), pp. 182-197 .

doi:10.1002/ppp.685 , hdl:10013/epic.35411

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Article

Wagner, D. , Kobabe, S. and Liebner, S. (2009)
Bacterial community structure and carbon turnover in permafrost-affected soils of the Lena Delta, northeastern Siberia ,

Canadian Journal of Microbiology, 55 (1), pp. 73-83 .

doi:10.1139/W08-121 , hdl:10013/epic.31819

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Article

Boike, J. , Hubberten, H. W. , Lantuit, H. , Overduin, P. P. , Schirrmeister, L. , Wagner, D. and Huch, M. (2009)
Das Internationale Polarjahr 2007/08 ,

Polarforschung2008, 78 (2), pp. 129-132 .

hdl:10013/epic.33579

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Article

Liebner, S. , Rublack, K. , Stuehrmann, T. and Wagner, D. (2009)
Diversity of aerobic methanotrophic bacteria in a permafrost active layer soil of the Lena Delta, Siberia ,

Microbial Ecology, 57 , pp. 25-35 .

doi:10.1007/s00248-008-9411-x , hdl:10013/epic.31682

Article

Schneider, J. , Grosse, G. and Wagner, D. (2009)
Land cover classification of tundra environments in the Arctic Lena Delta based on Landsat 7 ETM+ data and its application for upscaling of methane emissions ,

Remote sensing of environment 113(2), pp. 380-391 .

doi:10.1016/j.rse.2008.10.013 , hdl:10013/epic.31719

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Article

Koch, K. , Knoblauch, C. and Wagner, D. (2009)
Methanogenic community composition and anaerobic carbon turnover in submarine permafrost sediments of the Siberian Laptev Sea ,

Environmental Microbiology 11, pp. 657-668 .

hdl:10013/epic.31984

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Article

Mangelsdorf, K. , Finsel, E. , Liebner, S. and Wagner, D. (2009)
Temperature adaptation of microbial communities in different horizons of Siberian permafrost-affected soils from the Lena-Delta ,

Chemie der Erde, 69 , pp. 169-182 .

doi:10.1016/j.chemer.2009.02.001 , hdl:10013/epic.32633

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Article

Liebner, S. , Harder, J. and Wagner, D. (2008)
Bacterial diversity and community structure in polygonal tundra soils from Samoylov Island, Lena Delta, Siberia ,

International Microbiology, 11 , pp. 195-202 .

doi:10.2436/20.1501.01.60 , hdl:10013/epic.31254

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Article

Cannone, N. , Wagner, D. , Hubberten, H. W. and Guglielmin, M. (2008)
Biotic and abiotic factors influencing soil properties across a latitudinal gradient in Victoria Land, Antarctica ,

Geoderma, 144 , pp. 50-65 .

doi:10.1016/j.geoderma.2007.10.008 , hdl:10013/epic.28687

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Article

Wagner, D. , Koch, K. , Gattinger, A. and Lipski, A. (2008)
Methane cycle in terrestrial and submarine permafrost deposits of the Laptev Sea region ,

Proceedings of the Ninth International Conference on Permafrost, June 29 - July 3, Fairbanks, Alaska, Vol. 2, pp. 1875-1880 .

hdl:10013/epic.30262

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Article

Wille, C. , Kutzbach, L. , Sachs, T. , Wagner, D. and Pfeiffer, E. M. (2008)
Methane emssion from Siberian arctic polygonal tundra: eddy covariance measurements and modeling ,

Global Change Biology, 14 (6), pp. 1395-1408 .

doi:10.1111/j.1365-2486.2008.01586.x , hdl:10013/epic.30409

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Article

Schwamborn, G. , Wagner, D. and Hubberten, H. W. (2008)
The use of GPR to detect active layer in young periglacial terrain of Livingston Island, Maritime Antarctica ,

Near Surface Geophysics 6, pp. 327-332 .

hdl:10013/epic.31006

Article

Liebner, S. and Wagner, D. (2007)
Abundance, Distribution and Potential Activity of Methane Oxidising Bacteria in Permafrost Soils from the Lena Delta, Siberia ,

Environmental Microbiology 9(1), pp. 107-117 .

doi:10.1111/j.1462-2920.2006.01120.x , hdl:10013/epic.24248

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Article

Wagner, D. , Gattinger, A. , Embacher, A. , Pfeiffer, E. M. , Schloter, M. and Lipski, A. (2007)
Methanogenic activity and biomass in Holocene permafrost deposits of the Lena Delta, Siberian Arctic and its implication for the global methane budget ,

Global change biology, 13 , pp. 1089-1099 .

doi:10.1111/j.1365-2486.2006.01331.x , hdl:10013/epic.26539

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Article

Ganzert, L. , Jurgens, G. , Münster, U. and Wagner, D. (2007)
Methanogenic communities in permafrost affected soils of the Laptev Sea coast, Siberian Arctic characterized by 16S rRNA gene fingerprints ,

FEMS Microbiology Ecology, 59 (2), pp. 476-488 .

doi:10.1111/j.1574-6941.2006.00205.x , hdl:10013/epic.25265

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Article

Morozova, D. and Wagner, D. (2007)
Stress response of methanogenic archaea from Siberian permafrost compared to methanogens from non-permafrost habitats ,

FEMS Microbiology Ecology .

doi:10.1111/j.1574-6941.2007.00316.x , hdl:10013/epic.26542

Article

Morozova, D. , Möhlmann, D. and Wagner, D. (2007)
Survival of Methanogenic Archaea from Siberian Permafrost under Simulated Martian Thermal Conditions ,

Origins of Life and Evolution of the Biosphere, 37 (2), pp. 189-200 .

doi:10.1007/s11084-006-9024-7 , hdl:10013/epic.24775

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Article

Mangelsdorf, K. , Finsel, E. , Liebner, S. and Wagner, D. (2007)
Temperature-dependent molecular cell membrane adaptation of microbial populations in Siberian permafrost ,

Geochimica et cosmochimica acta 71, A617-A617 .

hdl:10013/epic.31971

Article

Hubberten, H. W. , Wagner, D. , Pfeiffer, E. M. , Boike, J. and Gukov, A. Y. (2006)
The Russian-German research station Samoylov, Lena Delta - A keysite for polar research in the Siberian Arctic ,

Polarforschung 73(2/3)2003, pp. 111-116 .

hdl:10013/epic.24419

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Article

Wagner, D. , Lipski, A. , Embacher, A. and Gattinger, A. (2005)
Methane fluxes in permafrost habitats of the Lena Delta: effects of microbial community structure and organic matter quality ,

Environmental microbiology, 7 (10), pp. 1582-1592 .

doi:10.1111/j.1462-2920.2005.00849.x , hdl:10013/epic.21792

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Article

Kürschner, H. , Herzschuh, U. and Wagner, D. (2005)
Phytosociological studies in the north-eastern Tibetan Plateau (NW China) A first contribution to the subalpine scrub and alpine meadow vegetation ,

Botanische Jahrbücher der Systematik, 126 (3), pp. 273-315 .

doi:10.1127/0006-8152/2005/0126-0273 , hdl:10013/epic.25094

Article

Kobabe, S. , Wagner, D. and Pfeiffer, E. M. (2004)
Characterisation of microbial community composition of a Siberian tundra soil by fluorescence in situ hybridisation ,

FEMS Microbiology Ecology, 50 , pp. 13-23 .

doi:10.1016/j.femsec.2004.05.003 , hdl:10013/epic.20345

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Article

Kutzbach, L. , Wagner, D. and Pfeiffer, E. M. (2004)
Effect of microrelief and vegetation on methane emission from wet polygonal tundra, Lena Delta, Northern Siberia ,

Biogeochemistry, 69 , pp. 341-362 .

hdl:10013/epic.19313

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Article

Fiedler, S. , Wagner, D. , Kutzbach, L. and Pfeiffer, E. M. (2004)
Element redistribution along hydraulic and redox gradients of low-centered-polygons, Lena Delta, Northern Siberia ,

Soil Science Society of America Journal, 68 , pp. 1002-1011 .

hdl:10013/epic.16494

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Article

Wagner, D. , Kobabe, S. , Pfeiffer, E. M. and Hubberten, H. W. (2003)
Microbial Controls on Methane Fluxes from a Polygonal Tundra of the Lena Delta, Siberia ,

Permafrost and periglacial processes, 14 , pp. 173-185 .

doi:10.1002/ppp.443 , hdl:10013/epic.17579

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Article

Wagner, D. , Wille, C. , Kobabe, S. and Pfeiffer, E. M. (2003)
Simulation of Freezing-Thawing Cycles in a Permafrost Microcosm for Assessing Microbial Methane Production under Extreme Conditions ,

Permafrost and periglacial processes, 14 , pp. 367-374 .

doi:10.1002/ppp.468 , hdl:10013/epic.18618

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Article

Wagner, D. , Kobabe, S. , Kutzbach, L. and Pfeiffer, E. M. (2002)
Hot processes in cold soils: Microbial process studies contribute to the understanding of the methane release from permafrost landscapes ,

Research Highlights 2002, Alfred Wegener Institute for Polar and Marine Research in the Helmholtz-Gemeinschaft Deutscher Forschungszentren, pp. 68-72 .

hdl:10013/epic.18620

Article

Wagner, D. , Pfeiffer, E. M. and Bock, E. (1999)
Methane production in aerated marshland and model soils: effects of microflora and soil texture ,

Soil biology & biochemistry, 31 , pp. 999-1006 .

hdl:10013/epic.15440

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Article

Wagner, D. and Pfeiffer, E. M. (1997)
Two temperature optima of methane production in a typical soil of the Elbe river marshland ,

Fems microbiology ecology, 22 , pp. 145-153 .

hdl:10013/epic.15441

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Article

Wagner, D. and Pfeiffer, E. M. (1995)
Tiefenprofil der Methanbildung einer Flußmarsch der Unterelbe ,

Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, 76 , pp. 705-708 .

hdl:10013/epic.18812

Book

Wagner, D. (1998)
Einfluß von Temperatur, Sauerstoff und organischer Bodensubstanz auf die Methanogenese in hydromorphen Böden ,

Hamburger Bodenkundliche Arbeiten .

hdl:10013/epic.15442

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Inbook

Wagner, D. and Liebner, S. (2010)
Methanogenesis in Arctic permafrost habitats ,

Handbook of hydrocarbon and lipid microbiology / Kenneth N. Timmis Berlin ; Heidelberg : Springer, ISBN: 978-3-540-77584-3 .

hdl:10013/epic.33988

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Inbook

Wagner, D. (2010)
Microcosm experiments for simulation of freeze-thaw cycles and studying methane dynamics in permafrost-affected soils ,

Handbook of hydrocarbon and lipid microbiology / Kenneth N. Timmis Berlin ; Heidelberg : Springer, ISBN: 978-3-540-77584-3 .

doi:10.1007/978-3-540-77587-4_269 , hdl:10013/epic.33990

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Inbook

Liebner, S. and Wagner, D. (2010)
Permafrost - Current and future challenges to study methanotrophy in permafrost affected tundra and wetlands ,

Handbook of hydrocarbon and lipid microbiology / Kenneth N. Timmis Berlin ; Heidelberg : Springer, ISBN: 978-3-540-77584-3 .

doi:10.1007/978-3-540-77587-4_157 , hdl:10013/epic.33989

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Inbook

Wagner, D. and Liebner, S. (2009)
Global warming and carbon dynamics in permafrost soils: methane production and oxidation ,

Permafrost Soils, Soil Biology 16, Springer-Verlag Berlin, ISBN: 978-3-540-69370-3 .

hdl:10013/epic.31206

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Inbook

Wagner, D. (2008)
Microbial communities and processes in Arctic permafrost environments ,

Microbiology of Extreme Soils, Soil Biology 13, Springer-Verlag Berlin .

hdl:10013/epic.28194

Inbook

Morozova, D. , Möhlmann, D. and Wagner, D. (2007)
Response of methanogenic archaea from Siberian permafrost to Martian thermophysical conditions ,

Response of Organisms to the Martian Environment: Response of Organisms to the Martian Environment Topical Team (Meeting), 2005 May, Graz, Austria ROME - Response of Organisms to the Martian Environment. Noordwijk : European Space Agency, 15 pp. (European, ISBN: 9290923938 .

hdl:10013/epic.28680

Inbook

Ganzert, L. , Zimmermann, U. and Wagner, D. (2004)
Microbial process studies on methane fluxes from permafrost environments ,

in Schirrmeister et al.: Russian-German Cooperation SYSTEM LAPTEV SEA: The Expedition Lena-Anabar 2003. Reports on Polar and Marine Research, 489, 20-29, ISBN: 1618-3193 .

hdl:10013/epic.33597

Inbook

Spott, O. , Kobabe, S. , Kutzbach, L. , Wagner, D. and Pfeiffer, E. M. (2003)
Patterned ground lakes and their function as sources of atmospheric methane ,

in Grigoriev et al.: Russian-German Cooperation SYSTEM LAPTEV SEA. The Expedition LENA 2002. Reports on Polar and Marine Research .

hdl:10013/epic.21526

Inbook

Pfeiffer, E. M. , Wagner, D. , Kobabe, S. , Kutzbach, L. , Kurchatova, A. , Stoof, G. and Wille, C. (2002)
Modern processes in permafrost affected soils ,

Reports on Polar Research .

hdl:10013/epic.18703

Inbook

Wagner, D. , Spieck, E. , Bock, E. and Pfeiffer, E. M. (2001)
Microbial Life in Terrestrial Permafrost: Methanogenesis and Nitrification in Gelisols as Potentials for Exobiological Processes ,

Astrobiology: The Quest for the Conditions of Life, ISBN: 3-540-42101-7 .

hdl:10013/epic.15421

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Inbook

Wagner, D. , Kurchatova, A. and Stoof, G. (2001)
Modern processes in permafrost affected soils ,

Repotrs on Polar Research .

hdl:10013/epic.18621

Inbook

Wagner, D. , Kutzbach, L. , Becker, H. , Vlasenko, A. and Pfeiffer, E. M. (2000)
Seasonal variability of trace gas emission (CH4, CO2) and in situ process studies ,

Reports on Polar Research .

hdl:10013/epic.18702

Inbook

Wagner, D. (1995)
Bodenmikrobiologie: Mikrobielle Stoffkreisläufe in Böden ,

Lebensraum Boden, Bodenökologische Arbeitsgemeinschaft Bremen .

hdl:10013/epic.18811

Thesis

Thesis -Habil

Wagner, D. (2007)
Microbial perspectives of the methane cycle in permafrost ecosystems in the eastern Siberian Arctic: Implications for the global methane budget ,

Habil thesis, Universität Potsdam.

hdl:10013/epic.28193

Conference

Conference -Poster

Osudar, R. , Wagner, D. and Bussmann, I. (2013)
Methanotrophy in aquatic ecosystems of the Lena Delta, Northeast Siberia ,

Jahrestagung Vereinigung Allg. & Angewandte Mikrobiologie, Bremen, 10 March 2013 - 13 March 2013 .

hdl:10013/epic.41206

Conference -Poster

Barbier , B. , Dziduch, I. , Ganzert, L. , Liebner, S. and Wagner, D. (2012)
Vertical distribution of methane cycling microbial communities in a degrading permafrost environment on Herschel Island, Canadian Western Arctic based on fingerprinting analysis of two functional genes. ,

International Polar Year 2012 , Montréal, Canada, 22 April 2012 - 27 April 2012 .

hdl:10013/epic.39445

Conference -Poster

Barbier, B. , Dziduch, I. and Wagner, D. (2011)
Vertical distribution of methane cycling microbial communities in the active layer of degrading permafrost on Herschel Island, Canadian Western Arctic based on T-RFLP analysis of two functional genes. ,

4th International Conference on Polar and Alpine Microbiology, Ljubljana, Slovenia, 4 September 2011 - 8 September 2011 .

hdl:10013/epic.38371

Conference -Talk

de Vera, J. P. , Böttger, U. , Malaszkiewicz, J. , Wagner, D. , Fritz, J. and Hübers, H. W. (2011)
Detection of methanogens in Mars analogue minerals ,

Geobiology in Space Exploration Workshop, February 7-9, 2011, Marrakesch, Marocco. .

hdl:10013/epic.37502

Conference -Poster

Barbier, B. and Wagner, D. (2011)
Dynamics of methane cycling microbial communities in degrading permafrost-affected ecosystems on Herschel Island, Canadian Western Arctic. ,

Jahrestagung der Vereinigung für Allgemeine und Angewandte Mikrobiologie (VAAM)April 2011 in Karlsruhe. .

hdl:10013/epic.37583

Conference -Poster

Melles, M. , Schwamborn, G. , Meyer, H. , Hubberten, H. W. , Wagner, D. , Mangelsdorf, K. , Willenbring, J. , Reimold, U. , Schmitt, R. , Juschus, O. and Elgygytgyn, S. P. (2011)
The El´gygytgyn Drilling Project in NE Siberia present results and ongoing work supported by DFG funding ,

IODP/ICDP Kolloquium Münster.. - 16.03.2011 .

hdl:10013/epic.37422

Conference -Poster

Hubberten, H. W. , Heim, B. , Boike, J. , Wagner, D. , Overduin, P. P. , Sobiech, J. , Griess, J. , Herzschuh, U. , di Primio, R. , Sachs, T. , Rockel, B. and Klehmet, K. (2010)
Northern High Latitudes: Permafrost climate linkages - energy, water and carbon balance ,

Regional Climate Change - 1rst REKLIM Conference, Karlsruhe, DE, 29 September 2010 - 30 September 2010 .

hdl:10013/epic.38438

Preview

Conference -Talk

Malaszkiewicz, J. and Wagner, D. (2010)
Activity measurements of methanogenic Archaea isolated from Siberian Permafrost under simulated Mars analog conditions ,

24th International Polar Meeting of German Society of Polar Research Obergurgl/Austria, September 6 10 .

hdl:10013/epic.35943

Conference -Talk

Liebner, S. , Griess, J. , Knoblauch, C. , Svenning, M. M. , Zeyer, J. and Wagner, D. (2010)
Arctic polygonal tundra determines small-scale changes of methanotrophic community structure and activity ,

13th International Symposium on Microbial Ecology, ISME13, August 22-27 2010, Seattle, USA. .

hdl:10013/epic.35428

Conference -Poster

Malaszkiewicz, J. , Sand, W. and Wagner, D. (2010)
Characterization of Methanogenic Archaea from two Extreme Habitats ,

VAAM Annual Conference, Hannover, Germany, March 2831 .

hdl:10013/epic.35950

Conference -Poster

Bajerski, F. , Ganzert, L. , Mangelsdorf, K. , Lipski, A. and Wagner, D. (2010)
Isolation and characterisation of heterotrophic microorganisms from mineral soils of Livingston Island (Antarctica) and Store Koldewey (Northeast-Greenland). ,

VAAM Annual Conference, Hannover, Germany, March 29/30/31 .

hdl:10013/epic.35513

Preview

Conference -Poster

Barbier, B. and Wagner, D. (2010)
Microbial diversity in degrading permafrost ecosystems and the implications for anaerobic carbon degradation. ,

MicroPerm Workshop, Potsdam, Germany. November 8-10 .

hdl:10013/epic.36345

Conference -Talk

Griess, J. , Wagner, D. and Mangelsdorf, K. (2010)
Microbial driven methane dynamic in the Siberian Arctic during glacial-interglacial climate changes ,

IODP/ICDP Kolloquium 2010, Frankfurt/Main, Germany, March 9- .

hdl:10013/epic.35946

Conference -Talk

Griess, J. , Wagner, D. and Mangelsdorf, K. (2010)
Microbial driven methane dynamics in the Siberian Arctic during glacial-interglacial climate changes ,

VAAM Annual Conference, Hannover, Germany, March 28 - .

hdl:10013/epic.35947

Conference -Poster

Griess, J. , Mangelsdorf, K. and Wagner, D. (2010)
Microbial driven methane dynamics in the Siberian Arctic during glacial-interglacial climate changes ,

EUCOP III, Third European Conference on Permafrost, Longyearbyen, Svalbard, Norway, June 13- .

hdl:10013/epic.35948

Conference -Talk

Evgrafova, S. Y. , Grodnitskaya, I. D. , Krinisun, Y. O. and Wagner, D. (2010)
Microbiological methane emission in the boreal ecosystems of cryogenic Siberia zones ,

Joint Russian-German Workshop on Research in the Laptev Sea Region, November 8-11, 2010, St. Petersburg, Russia. .

hdl:10013/epic.36308

Conference -Talk

Griess, J. , Mangelsdorf, K. and Wagner, D. (2010)
Response of the Siberian methane cycling microbial community to climate changes in Late Pleistocene and Holocene ,

24. Internationale Polartagung der Deutschen Gesellschaft für Polarforschung Obergurgl/Austria, September 6 .

hdl:10013/epic.35949

Conference -Poster

Wagner, D. , Griess, J. , Bolshiyanov, D. , Grigoriev, M. N. , Hubberten, H. W. and Gukov, A. (2010)
The Russian-German research station Samoylov, Lena Delta - A key site for polar research in the Siberian Arctic ,

Joint Russian-German Workshop on Research in the Laptev Sea Region, November 8-11, 2010, St. Petersburg, Russia. .

hdl:10013/epic.36309

Conference -Poster

Ganzert, L. , Lipski, A. , Pimpirev, C. , Hubberten, H. W. and Wagner, D. (2009)
Bacterial communities from mineral soils located on Livingston Island, South Shetland Islands, Antarctica ,

VAAM Annual Conference, Bochum, Germany, March 8-11 .

hdl:10013/epic.31927

Conference -Poster

Griess, J. , Mangelsdorf, K. and Wagner, D. (2009)
Cultivation and molecular analyses of methanotrophic enrichments from Siberian permafrost-affected soils ,

VAAM Annual Conference, Bochum, Germany, March 8-11 .

hdl:10013/epic.32231

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Conference -Invited talk

Wagner, D. (2009)
Microbial perspectives of methane fluxes from melting permafrost ,

Goldschmidt2009 - Challenges to Our Volatile Planet, June 21-26, Davos, Switzerland. .

hdl:10013/epic.32864

Conference -Poster

Griess, J. , Mangelsdorf, K. and Wagner, D. (2009)
Response of the Methane Cycle to Climate Changes in Past and Present ,

Dok Tag Sylt 2009. .

hdl:10013/epic.32895

Preview

Conference -Poster

Griess, J. , Mangelsdorf, K. and Wagner, D. (2009)
Response of the Methane Cycle to Climate Changes in the Past and Present ,

ICDP Kolloquium Potsdam, Potsdam, Germany, March 16-18 .

hdl:10013/epic.32232

Preview

Conference -Talk

Ganzert, L. , Lipski, A. and Wagner, D. (2008)
Antarctic microbial communities in mineral deposits on Livingston Island, South Shetland Islands ,

23rd International Polar Meeting, March 18-24, 2008, Münster, Germany. .

hdl:10013/epic.30217

Conference -Talk

Koch, K. , Knoblauch, C. and Wagner, D. (2008)
Characterization of Methanogenic Archaea in Submarine Permafrost Sediments of the Siberian Laptev Sea ,

23. Internationale Polartagung, Münster, Germany, March 9 - March 14 .

hdl:10013/epic.31026

Conference -Invited talk

Wagner, D. , Liebner, S. , Koch, K. , Schloter, M. , Jurgens, G. , Ganzert, L. and Lipski, A. (2008)
Global warming and carbon dynamics in permafrost ecosystems: methane production and oxidation ,

3rd International Conference on Polar and Alpine Microbiology, Banff, Cananda, May 11-15 .

hdl:10013/epic.28786

Conference -Poster

Koch, K. , Knoblauch, C. and Wagner, D. (2008)
Methane Production and Diversity of Methanogenic Archaea in Submarine Permafrost Sediments of the Siberian Laptev Sea ,

The 3rd International Conference on Polar and Alpine Microbiology, Banff, Alberta, Canada, May 11 - May 15 .

hdl:10013/epic.31025

Conference -Talk

Wagner, D. , Koch, K. , Gattinger, A. and Lipski, A. (2008)
Methane cycle in terrestrial amd submarine permafrost deposits of the Laptev Sea region ,

Ninth International Conference on Permafrost, Fairbanks, Alaska, June 29 - July 3 .

hdl:10013/epic.28702

Conference -Talk

Wagner, D. , Gattinger, A. , Embacher, A. and Lipski, A. (2008)
Methane generation in Holocene permafrost deposits of the Lena Delta, and its implcation for the global methane budget ,

23nd International Polar Meeting, Münster, Germany, March 10-14 .

hdl:10013/epic.28701

Conference -Talk

Koch, K. , Knoblauch, C. and Wagner, D. (2008)
Methanogenic Communities in Submarine Permafrost Sediments of the Siberian Laptev Sea ,

The 12th International Society for Microbial Ecology Conference, Cairns, Australia, August 17 - August 22 .

hdl:10013/epic.31027

Conference -Invited talk

Wagner, D. (2008)
Microbial Perspectives of the Methane Cycle in terrestrial and Submarine Permafrost Environments ,

Colloquium, University of Duisburg, Duisburg, February 14 .

hdl:10013/epic.28705

Conference -Poster

Ganzert, L. , Lipski, A. and Wagner, D. (2008)
Microbial communities from terrestrial mineral soils from Livingston Island, maritime Antarctica ,

3rd International Conference on Polar and Alpine Microbiology, Banff, Canada, May 11-15 .

hdl:10013/epic.30862

Preview

Conference -Poster

Koch, K. , Knoblauch, C. and Wagner, D. (2007)
Archaeal diversity in submarine permafrost sediments of the Siberian Laptev Sea ,

VAAM Jahrestagung, 1.-4. April 2007, Osnabrück, Germany. .

hdl:10013/epic.26595

Conference -Talk

Wagner, D. and Möhlmann, D. (2007)
Biogenic Methane on Mars? ,

European Mars Science and Exploration Conference: Mars Express and ExoMars, ESA-ESTEC, Noordwijk, The NetherlandsNovember 2007. .

hdl:10013/epic.28651

Conference -Poster

Koch, K. , Knoblauch, C. and Wagner, D. (2007)
Diversity of Archaea in submarine permafrost sediments of the Laptev Sea, Siberian Arctic ,

Geophysical Research Abstracts, Vol. 9 .

hdl:10013/epic.26596

Conference -Conference paper

Morozova, D. and Wagner, D. (2007)
Highly resistant methanogenic archaea from Siberian permafrost as candidates for the possible life on Mars ,

International Journal of Astrobiology, 6/1, 59-87, Abstract Only .

doi:10.1017/S1473550407003679 , hdl:10013/epic.26526

Conference -Poster

Liebner, S. , Harder, J. and Wagner, D. (2007)
How do the environmental extremes of Siberian permafrost soils shape the composition of the bacterial soil community? ,

European Geoscience Union Gerenal Assembly, 15-20 April 2007, Vienna. .

hdl:10013/epic.26561

Conference -Poster

Liebner, S. , Harder, J. and Wagner, D. (2007)
Influence of temperature gradient and spatial heterogeneity on the composition of the bacterial community in Siberian permafrost soils ,

VAAM Jahrestagung, 1.-4. April 2007, Osnabrück, Germany. .

hdl:10013/epic.26562

Conference -Poster

Meyer, H. , Brown, J. , Schirrmeister, L. , Yoshikawa, K. , Andreev, A. , Wagner, D. and Hubberten, H. W. (2007)
Late Glacial and Holocene environmental history of a buried ice-wedge system, Barrow, Alaska ,

XVII INQUA Congress, Cairns, Australia, 28th July - 3rd August. Quaternary International 167168 .

doi:10.1016/j.quaint.2007.04.001. , hdl:10013/epic.26737

Conference -Poster

Wille, C. , Kutzbach, L. , Sachs, T. , Wagner, D. and Pfeiffer, E. M. (2007)
Methane Emission from Siberian arctic polygonal Tundra: Eddy Covariance Measurements and Modeling ,

European Geosciences Union, Vienna, Austria, April .

hdl:10013/epic.27004

Conference -Poster

Wagner, D. , Gattinger, A. , Embacher, A. and Lipski, A. (2007)
Methane Generation in Holocene Permafrost Deposits of the Lena Delta, and its Implication for the Global Methane Budget ,

Global Environmental Change: The Role of the Arctic, European Science Foundation, Nynäshamn, Sweden, October 13-17 .

hdl:10013/epic.28709

Conference -Invited talk

Wagner, D. (2007)
Methanogenic activities in terrestrial and submarine permafrost deposits of the Laptev Sea coast ,

Soil Ecological Colloquium, GSF-National Research Center for Environment and HealthJune 2007. .

hdl:10013/epic.26618

Conference -Invited talk

Wagner, D. (2007)
Microbial Perspectives of the Methane Cycle in Siberian Permafrost Ecosystems ,

Colloquium in Plant Ecology, Vegetation Science, Distrurbance Ecology and Biogeography, University of Bayreuth, BayreuthJune 2007. .

hdl:10013/epic.26617

Conference -Poster

Ganzert, L. and Wagner, D. (2007)
Microbial communities in different Antarctic mineral deposits characterised by denaturing gradient gel electrophoresis (DGGE) ,

10th International Symposium on Antarctic Earth Science (ISAES), University of California, Santa Barbara (UCSB) 26.-31. August 2007. .

hdl:10013/epic.27830

Conference -Poster

Gukov, A. Y. , Wagner, D. , Boike, J. and Hubberten, H. W. (2007)
The Russian-German Research Station Samoylov, Lena Delta: A key site for Long-term Observations of Permafrost Ecosystems in the Siberian Arctic ,

First IPY Workshop on Sustaining Arctic Observing Networks, November 12-14, 2007, Stockholm, Sweden .

hdl:10013/epic.28753

Preview

Conference -Talk

Mangelsdorf, K. , Finsel, E. , Liebner, S. and Wagner, D. (2007)
Temperature-dependent molecular cell membrane adaptation of microbial populations from a permafrost region ,

Goldschmidt 2007, Cologne, Germany, August 19-24 .

hdl:10013/epic.26940

Conference -Invited talk

Morozova, D. and Wagner, D. (2007)
Tolerance limits of methanogenic life in terrestrial permafrost ,

DFG Colloquium: Mars and the Terrestrial Plantes, Berlin, February 19-20 .

hdl:10013/epic.32596

Conference -Poster

Jurgens, G. , Münster, U. , Grigoriev, M. and Wagner, D. (2006)
Archaeal activity and diversity in Late Pleistocene permafrost sediments of the river Lena Delta, Siberia, Russia ,

11th International Symposium on Microbial Ecology, August 20-25, 2006, Vienna, Austria.. .

hdl:10013/epic.25624

Conference -Poster

Liebner, S. , Harder, J. and Wagner, D. (2006)
Bacterial diversity in Siberian permafrost soils based on 16S rDNA clone libraries and in-situ cell counting ,

11th International Symposium on Microbial Ecology (ISME-11), August 20-25, 2006, Vienna, Austria. .

hdl:10013/epic.25507

Preview

Conference -Poster

Morozova, D. and Wagner, D. (2006)
Highly resistant methanogenic archaea from Siberian permafrost as candidates for the possible life on Mars ,

6th European Workshop on Astrobiology, 16-18 Oct., Lyon, France. .

hdl:10013/epic.25567

Conference -Poster

Schneider, J. , Grosse, G. , Kutzbach, L. and Wagner, D. (2006)
Land cover classification of tundra environments in the Arctic Lena Delta based on Landsat 7 ETM+ data and its application for upscaling of methane emissions ,

Globwetland Symposium - Looking at Wetlands from Space, ESA-ESRIN, Frascati, Rome, ItalyOctober 2006. .

hdl:10013/epic.25718

Conference -Invited talk

Wagner, D. (2006)
Long-term studies on methane fluxes from permafrost environments of the Lena Delta, Siberia: microbial processes and communities ,

TUMSS Research Cluster Seminar Series, ETH Zurich, Switzerland, November 23 .

hdl:10013/epic.25987

Conference -Invited talk

Wagner, D. (2006)
Methane fluxes from Siberian permafrost: microbial communities and their astrobiological relevance ,

Colloquium, German Research Centre for Biotechnology, Braunschweig.09.2006. .

hdl:10013/epic.25454

Conference -Talk

Morozova, D. and Wagner, D. (2006)
Methanogene Achaea aus Sibirischem Permafrost als Modellsysteme für das Leben auf dem Mars ,

DPG-AEF Tagung, 13-16 März, Heidelberg, Deutschland. .

hdl:10013/epic.25127

Conference -Talk

Morozova, D. and Wagner, D. (2006)
Methanogenic Archaea from Siberian Permafrost as Prime Candidates for Life on Mars ,

DFG Workshop, May 4-5, Cologne, Germany. .

hdl:10013/epic.25436

Conference -Talk

Morozova, D. and Wagner, D. (2006)
Methanogenic Archaea in terrestrial permafrost as a model for probable microbial life on Mars ,

International conference on alpine and polar microbiology, 27-30 March, Innsbruck, Austria. .

hdl:10013/epic.24242

Conference -Invited talk

Wagner, D. (2006)
Responce of Methanogenic Archaea from Siberian Permafrost to Martian Conditions ,

Adlershofer Planetenseminar, Institut für Planetenforschung, Deutsches Luft- und Raumfahrtzentrum.04.2006. .

hdl:10013/epic.25264

Conference -Invited talk

Wagner, D. (2006)
Response of methanogenic archaea from Siberian permafrost to Martian thermo-physical conditions ,

European Planetary Science Congress 2006, Berlin, GermanySeptember 2006. .

hdl:10013/epic.25457

Conference -Poster

Morozova, D. and Wagner, D. (2006)
Response of methanogens from Siberian permafrost to extreme conditions of terrestrial and extraterrestrial permafrost ,

Annual Conference of the association for general and applied Microbiology, 19-22 March, Jena, Germany. .

hdl:10013/epic.25571

Preview

Conference -Talk

Liebner, S. , Harder, J. and Wagner, D. (2006)
Specialisation and diversity of methane oxidising communities in Siberian permafrost soils ,

Annual Conference of the Association for General and Applied Microbiology, Jena, March 19-22 .

hdl:10013/epic.25140

Preview

Conference -Talk

Liebner, S. , Harder, J. and Wagner, D. (2006)
Stability of methane oxidising communities in Siberian permafrost soils in the context of global climate change ,

International Conference on Alpine and Polar Microbiology, 27-30 March 2006, Innsbruck, Austria. .

hdl:10013/epic.24249

Preview

Conference -Talk

Rettberg, P. , Wagner, D. , Ott, S. , Ondruschka, J. and Möhlmann, D. (2006)
Survival potential of terrestrial organisms under Martian conditions ,

ESA-CNES Workshop on Special Regions, European Space Research and Technology Centre, January 25, 2006, Noordwijk, The Netherlands. .

hdl:10013/epic.24564

Conference -Poster

Sachs, T. , Wille, C. and Wagner, D. (2006)
Trace Gas Flux Measurements on Samoylov Island, Lena Delta ,

8th Workshop SYSTEM LAPTEV SEA, St. Petersburg, February .

hdl:10013/epic.24810

Preview

Conference -Talk

Cannone, N. , Guglielmin, M. , Wagner, D. and Hubberten, H. W. (2005)
Active layer characteristics and bacterial occurence across a latitudinal gradient in Victoria Land (continental Antarctica) as indicator of functional processes in permafrost environments and ecosystems ,

Second European Conference on Permafrost, EUCOP 2005, PotsdamJune 2005. .

hdl:10013/epic.22674

Conference -Poster

Liebner, S. and Wagner, D. (2005)
"Adaptation and Composition of Methanotrophic Communities in Permafrost Soils of the Lena Delta, Siberia, 2nd European Conference On Permafrost, June 12.-16., Potsdam, Germany" ,

. .

hdl:10013/epic.23131

Preview

Conference -Talk

Schneider, J. , Kleber, A. and Wagner, D. (2005)
Bilanzierung von Methanemissionen in Tundragebieten am Beispiel des Lena Deltas, Nordsibirien, auf der Basis von Fernerkundungsdaten und Geländeuntersuchungen ,

22. International Polartagung, Jena, September 18-24 .

hdl:10013/epic.23133

Conference -Poster

Ganzert, L. and Wagner, D. (2005)
Biodiversity of methanogenic archaea in permafrost affected soils of the Lena Delta, Siberia ,

22. Internationale Polartagung, September 18-24, Jena, Germany. .

hdl:10013/epic.23140

Preview

Conference -Invited talk

Wagner, D. (2005)
Cold adapted microorganisms: natural processes and possibilities of their technical utilization ,

Workshop on Challenges of Permafrost Degradation of Siberian Soils to Science and Technology, Institute of Forest (RAS), Krasnoyarsk, RussiaMarch 2005 .

hdl:10013/epic.22673

Conference -Poster

Liebner, S. and Wagner, D. (2005)
Cold loving methanotrophic communities in permafrost soils of the Lena Delta, Siberia ,

VAAM Annual Meeting 2005, 23. - 26. September 2005, Göttingen. .

hdl:10013/epic.23842

Preview

Conference -Poster

Ganzert, L. and Wagner, D. (2005)
Composition of methanogenic archaeal communities in permafrost soils of Northern Siberia ,

VAAM Annual Meeting 2005, 23.-26- September 2005, Göttingen. .

hdl:10013/epic.23904

Conference -Talk

Gattinger, A. , Embacher, A. , Labrenz, M. , Wagner, D. and Schloter, M. (2005)
Die Bedeutung der organischen Bodensubstanz für die Anpassung und Entwicklung von Archaeengemeinschaften in Böden ,

Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, Marburg, Germany, September 3-11 .

hdl:10013/epic.23197

Conference -Talk

Wagner, D. , Gattinger, A. , Lipski, A. and Schloter, M. (2005)
Effects of microbial communities and organic matter quality on methane fluxes in different areas of a Siberian polygon tundra ,

Second European Conference on Permafrost, EUCOP 2005, Potsdam, March 12- .

hdl:10013/epic.22675

Conference -Poster

Gattinger, A. , Embacher, A. , Labrenz, M. , Wagner, D. and Schloter, M. (2005)
The Importance of soil organic matter for adaptation and evolution of archaeal communities in terrestrial ecosystems ,

ARCHAEA - The First Generation, Munich, Germany, June 2-4 .

hdl:10013/epic.23198

Conference -Talk

Wagner, D. , Gattinger, A. , Lipski, A. and Schloter, M. (2005)
Methane fluxes, microbial activities and community structures in a wet tundra of the Lena Delta ,

22. International Polartagung, Jena, September 18-24 .

hdl:10013/epic.23130

Preview

Conference -Talk

Morozova, D. and Wagner, D. (2005)
Methanogenic archaea from Siberian permafrost: fit for Mars? ,

5th European Workshop on Astrobiology, Budapest, HungaryOctober 2005. .

hdl:10013/epic.23783

Conference -Talk

Wagner, D. and Morozova, D. (2005)
Methanogenic archaea in terrestrial permafrost: a model for probable microbial life in Martian permafrost ,

ARCHAEA - The First Generation, Hohenheimer Castle Academy, Munich, June 2-4 .

hdl:10013/epic.23117

Conference -Talk

Morozova, D. and Wagner, D. (2005)
Methanogenic archaea under permafrost extreme conditions: a model for putative life on Mars ,

International workshop on Astrobiology: Life in extreme conditions, 21-22 November, Oslo, Norway. .

hdl:10013/epic.24188

Conference -Talk

Morozova, D. and Wagner, D. (2005)
Microbial Life under Extreme Environments of Permafrost: Tolerance Limits of Methanogenic Archaea as Keystone Organisms for the Investigation of Extraterrestrial Life. ,

22. Internationale Polartagung, September 18-23 Sept., Jena, Deutschland,. .

hdl:10013/epic.23151

Conference -Poster

Meyer, H. , Schirrmeister, L. , Andreev, A. , Wagner, D. , Hubberten, H. W. , Yoshikawa, K. and Brown, J. (2005)
Multi-proxy approach to a buried ice-wedge system, Barrow, Alaska ,

1st CLIC International Science Conference, 11-15 April 2005, Beijing, China. .

hdl:10013/epic.22984

Conference -Poster

Meyer, H. , Yoshikawa, K. , Schirrmeister, L. , Andreev, A. , Wagner, D. and Hubberten, H. W. (2005)
Palaeoenvironmental record of a Late Quaternary permafrost tunnel in the Vault Creek, Fairbanks region, Alaska ,

1st CLIC International Science Conference, 11-15 April 2005, Beijing, China. .

hdl:10013/epic.22985

Conference -Talk

Liebner, S. and Wagner, D. (2005)
Spatial variance of methane oxidation rates in Siberian permafrost soils in dependence of the temperature: An indicator for microbial changes of structure and diversity? ,

Workshop on Development and Control of Functional Biodiversity at Micro- and Macro-scales, Neuherberg, Germany, October 5- .

hdl:10013/epic.23776

Preview

Conference -Talk

Yoshikawa, K. , Meyer, H. , Schirrmeister, L. , Andreev, A. , Wagner, D. and Hubberten, H. W. (2005)
Stable isotope characteristics of ice wedges near Fairbanks, Alaska ,

Proceedings of the International Field Conference and Workshop on Tephrachronology & Volcanism: Dawson City, Yukon Territory, Canada: July 31th - August 8th .

hdl:10013/epic.25322

Conference -Talk

Morozova, D. and Wagner, D. (2005)
Survival potential of methanogenic archaea from Siberian permafrost: investigation of possible extraterrestrial life ,

VAAM-Jahrestagung, 25-28 September, Gottingen, Deutschland. .

hdl:10013/epic.23784

Conference -Talk

Liebner, S. and Wagner, D. (2005)
Temperature-Dependence of Methane Oxidation Rates in Permafrost Soils of the Lena Delta, Siberia, 22. Int Polar Meeting, Sept. 18. 24., Jena, Germany ,

. .

hdl:10013/epic.23132

Preview

Conference -Talk

Morozova, D. and Wagner, D. (2005)
Tolerance Limits of Methanogenic Archaea from Siberian Permafrost: Effects of high Salinity and low Temperatures ,

2nd European Conference on Permafrost EUCOP II, Potsdam, Germany, June 12-16 .

hdl:10013/epic.22694

Conference -Invited talk

Morozova, D. and Wagner, D. (2005)
Tolerance limits of methanogenic life in terrestrial permafrost ,

DFG Colloquium: Mars and the Terrestrial Plantes, BerlinAugust 2005. .

hdl:10013/epic.23774

Conference -Talk

Meyer, H. , Yoshikawa, K. , Schirrmeister, L. , Andreev, A. , Wagner, D. and Hubberten, H. W. (2005)
The Vault Creek permafrost tunnel - Late Quaternary climate and environmental history of the Fairbanks region, Alaska ,

2nd European Conference on Permafrost EUCOP II, 12-16 June 2005, Potsdam, Germany. .

hdl:10013/epic.23295

Conference -Poster

Meyer, H. , Schirrmeister, L. , Andreev, A. , Wagner, D. , Hubberten, H. W. , Yoshikawa, K. and Brown, J. (2005)
A buried ice-wedge system as archive for the Late Quaternary environmental history near Barrow, Alaska ,

EUCOP II, 2nd European Conference on Permafrost, Potsdam, Germany, 12-16 June 2005. .

hdl:10013/epic.23298

Conference -Talk

Cannone, N. , Guglielmin, M. , Wagner, D. and Hubberten, H. W. (2004)
Active layer characteristics across a latitudinal gradient in Victoria Land (Continental Antarctica) as indicator of functional processes in permafrost environments and ecosystems ,

XXVIII SCAR Meeting, Bremen, GermanyJuly 2004. .

hdl:10013/epic.20940

Conference -Talk

Wagner, D. and Gattinger, A. (2004)
Archaeal activity and biomass in Holocene permafrost deposits of the Lena Delta, Siberia ,

International Conference on Arctic Microbiology, Rovaniemi, FinlandMarch 2004. .

hdl:10013/epic.20410

Conference -Talk

Kobabe, S. , Liebner, S. , Pfeiffer, E. M. and Wagner, D. (2004)
Characterisation of microbial community controlling methane emission from Siberian tundra soils by FISH ,

International Conference on Arctic Microbiology, Rovaniemi, FinlandMarch 2004. .

hdl:10013/epic.24068

Conference -Invited talk

Wagner, D. (2004)
Langzeitstudien zur Methanfreisetzung aus Tundrenböden des Lena Deltas, Sibirien ,

Geowissenschaftliches Institutskolloquium, Institut für Geophysik und Geologie, Universität Leipzig.06.2004. .

hdl:10013/epic.20810

Conference -Invited talk

Wagner, D. and Hubberten, H. W. (2004)
Long-term Studies on Methane Fluxes from Tundra Environments of the Lena Delta: Microbial Processes, Biogeochemistry and Permafrost Modeling ,

International Workshop on Permafrost-Carbon-Climate Interactions, Paris, FranceFebruary 2004. .

hdl:10013/epic.20607

Conference -Invited talk

Wagner, D. (2004)
Methane fluxes from tundra environments of the Lena Delta: long-term studies and astrobiological relevance ,

Colloquium, Max Planck Institute for Biogeochemistry, Jena.06.2004. .

hdl:10013/epic.20811

Conference -Talk

Wagner, D. , Embacher, A. , Lipski, A. and Gattinger, A. (2004)
Methane fluxes in different araes of a Siberian polygon tundra: effects of organic matter quality and microbial communities ,

VAAM Annual Meeting 2004, Braunschweig, Germany, March 28-31 .

hdl:10013/epic.20627

Conference -Talk

Wagner, D. , Kurchatova, A. and Gattinger, A. (2004)
Methanogenesis in late Pleistocene permafrost sediments of the Lena Delta, Siberia ,

International Workshop on Geomicrobiology, Aarhus, DenmarkJanuary 2004. .

hdl:10013/epic.20436

Conference -Talk

Pfeiffer, E. M. , Spott, O. , Kutzbach, L. and Wagner, D. (2004)
Patterned-ground-related soils and lakes and their role as sources for methane ,

International Conference Cryosphere of Oil-And-Gas Bearing Provinces, May 22-29, Tyumen, Russia. .

hdl:10013/epic.21528

Conference -Poster

Kurchatova, A. N. , Pfeiffer, E. M. , Slagoda, E. A. and Wagner, D. (2004)
Ranks of cryostructures of ice complex sequences of the Lena Delta, Russia ,

International Conference Cryosphere of Oil-And-Gas Bearing Provinces, Tyumen, Russia, May 22-29 .

hdl:10013/epic.20809

Conference -Talk

Morozova, D. , Wagner, D. and Hubberten, H. W. (2004)
Subsurface microbial life as a model for extraterrestrial permafrost habitats ,

El`gygytgyn Lake Workshop, Leipzig, Germany, March 24-26 .

hdl:10013/epic.20626

Conference -Talk

Wagner, D. and Morozova, D. (2004)
Tolerance Limits of Methanogenic Archaea in Terrestrial Permafrost ,

International Conference Cryosphere of Oil-And-Gas Bearing Provinces, Tyumen, Russia, May 22-29 .

hdl:10013/epic.20621

Conference -Poster

Wagner, D. , Liebner, S. and Kobabe, S. (2003)
Activity and Diversity of Methanogens and Methanotrophs under Extreme Environmental Conditions in Permafrost Soils ,

International Symposium on Structure and Function of Soil Microbiota, Marburg, GermanySeptember 2003. .

hdl:10013/epic.19713

Preview

Conference -Talk

Wagner, D. , Pfeiffer, E. M. and Hubberten, H. W. (2003)
Long-term studies on methane fluxes from tundra environments in the Lena Delta, Siberia ,

NECC Conference: The Carbon Balance of Aquatic and Terrestrial Ecosystems and their Interaction, Lammi, FinlandOctober 2003. .

hdl:10013/epic.19979

Conference -Invited talk

Wagner, D. , Pfeiffer, E. M. and Hubberten, H. W. (2003)
Methane cycle in permafrost soils: first evidence of cold adaptation of methanogenic archaea and methylotrophic bacteria ,

Workshop on Cold Adaptation of Aquatic Microorganisms, BremenMay 2003. .

hdl:10013/epic.18781

Conference -Invited talk

Wagner, D. (2003)
Methanogene Mikrobengemeinschaften im terrestrischen Permafrost und ihre Relevanz für mögliches Leben auf dem Mars ,

Astrobiology Colloquium, Deutsches Zentrum für Luft- und Raumfahrt, Institut für Luft- und Raumfahrtmedizin, Köln.11.03. .

hdl:10013/epic.19729

Conference -Conference paper

Wagner, D. , Kobabe, S. and Pfeiffer, E. M. (2003)
Methanogenesis under extreme environmental conditions in permafrost soils: a model for exobiological processes? ,

Proceedings of the 8th International Conference on Permafrost. Extended Abstract. Zürich, SwitzerlandJuly .

hdl:10013/epic.18639

Conference -Poster

Wagner, D. , Kobabe, S. , Pfeiffer, E. M. and Hubberten, H. W. (2003)
Methanogenesis under extreme environmental conditions in permafrost soils: a model for exobiological processes? ,

8th International Conference on Permafrost, Zurich, SwitzerlandJuly .

hdl:10013/epic.19641

Preview

Conference -Talk

Wagner, D. and Pfeiffer, E. M. (2003)
Mikrobielle Methanbildung unter extremen Umweltbedingungen in Permafrostböden: Ein Modell für exobiologische Prozesse? ,

21. Internationale Polartagung, KielMärz 2003. .

hdl:10013/epic.19059

Conference -Talk

Pfeiffer, E. M. and Wagner, D. (2003)
Permafrost related methane fluxes and their importance for climate change effects. ,

Agriculture in Northern Ecosystems: Effects of Global Change on Soil Ecological Processes, Vechta.-4. April 2003 .

hdl:10013/epic.19058

Conference -Invited talk

Wagner, D. , Spieck, E. and Pfeiffer, E. M. (2003)
Tolerance Limits of Microbial Life in Terrestrial Permafrost ,

DFG Colloquium: Mars and the Terrestrial Planets, MünsterAugust 2003. .

hdl:10013/epic.19712

Conference -Talk

Wagner, D. , Kobabe, S. and Pfeiffer, E. M. (2002)
Bedeutung der mikrobiellen Methanbildung und -oxidation für die Methanfreisetzung aus arktischen Tundren Sibiriens ,

GEO 2002, Würzburg.-5. Oktober 2002. .

hdl:10013/epic.18775

Conference -Talk

Kobabe, S. , Wagner, D. , Schröder, H. , Damm, E. , Kassens, H. and Pfeiffer, E. M. (2002)
Methane contents in different compartmenst of the Laptev Sea - Prliminary results ,

"Climate Drivers of the North, May 8-11, 2002, Kiel, Germany". .

hdl:10013/epic.20443

Conference -Poster

Pfeiffer, E. M. , Kobabe, S. and Wagner, D. (2002)
Methane fluxes in Siberia and their relevance for the permafrost-related gas hydrate research ,

Climate Drivers of the North, KielMay 2002. .

hdl:10013/epic.18805

Conference -Poster

Kobabe, S. , Wagner, D. and Pfeiffer, E. M. (2002)
Methane production in Siberian tundra soils: Influence of temperature and substrates. ,

Jahrestagung 2002 der VAAM, March 24-27, 2002, Göttingen, Germany. .

hdl:10013/epic.20444

Conference -Talk

Pfeiffer, E. M. and Wagner, D. (2002)
Methane studies in the active layer: methanogenesis as a model process for the extreme habitat development in permafrost ,

Extreme Phenomena in the Cryosphere, Pushchino, RussiaMay 2002. .

hdl:10013/epic.18790

Conference -Talk

Wagner, D. and Pfeiffer, E. M. (2002)
Methanogenesis as a model process for extreme habitat development: process studies in the active layer of different permafrost sites ,

Second European Workshop on Exo/Astrobiology, Graz, AustriaSeptember 2002. .

hdl:10013/epic.18776

Conference -Invited talk

Wagner, D. (2002)
Microbial Controls on Methane Emission from Siberian Tundra Environments ,

Kolloquiumsvortrag, Bodenökologisches Seminar, GSF-Forschungszentrum für Umwelt und Gesundheit, Institut für Bodenökologie, Neuherberg.11.2002. .

hdl:10013/epic.17573

Conference -Invited talk

Wagner, D. (2002)
Microbial archives in permafrost: methanogenic archaea as key-organisms ,

HELMERT-Summerschool, PotsdamSeptember 2002. .

hdl:10013/epic.18777

Conference -Talk

Wagner, D. , Kobabe, S. and Pfeiffer, E. M. (2002)
Microbial controls on methane emission from Siberian tundra environments ,

Jahrestagung der Vereinigung Allgemeiner und Angewandter Mikrobiologen, Göttingen.-27. März 2002. .

hdl:10013/epic.18780

Conference -Talk

Wagner, D. , Pfeiffer, E. M. and Samarkin, V. (2002)
Microbial controls on methane emission from Siberian tundra environments: open questions and future perspectives ,

Climate Drivers of the North, KielMay .

hdl:10013/epic.18778

Conference -Talk

Wagner, D. and Pfeiffer, E. M. (2002)
Microbial life in permafrost soils: methanogenesis as analoques for exobiological processes ,

Water in the Upper Martian Surface, PotsdamApril 2002. .

hdl:10013/epic.18779

Conference -Invited talk

Wagner, D. (2002)
Mikrobiologische Prozessstudien zum Methankreislauf in Permafrostböden ,

Kolloquiumsvortrag, Aktuelle Themen der Erdsystemforschung, Universität Hamburg, Institut für Bodenkunde.11.2002. .

hdl:10013/epic.17570

Conference -Talk

Kutzbach, L. , Wagner, D. , Wille, C. , Kobabe, S. and Pfeiffer, E. M. (2002)
Permafrostlandschaften als Quellen atmosphärischen Methans: Feldstudien zur zeitlichen und flächenhaften Variabilität der Methanemission aus Tundren des Lena-Deltas ,

Geo 2002 - Jahrestagung der Gesellschaften der Festen Erde in der Bundesrepublik Deutschland, 1-5 May, Würzburg, Germany. .

hdl:10013/epic.19317

Conference -Talk

Wagner, D. , Pfeiffer, E. M. and Hubberten, H. W. (2002)
The consequences of microbial processes for the methane emission from Siberian permafrost environments ,

AGU 2002 Fall Meeting, San Francisco, USADecember 2002. .

hdl:10013/epic.18774

Conference -Poster

Kutzbach, L. , Wille, C. , Wagner, D. and Pfeiffer, E. M. (2002)
The eddy covariance technique as a tool to determine trace gas fluxes on the ecosystem scale ,

Climate Drivers of the North Conference, 8-11 May, Kiel, Germany. .

hdl:10013/epic.19316

Conference -Talk

Pfeiffer, E. M. , Samarkin, V. and Wagner, D. (2001)
Methane flux studies in Siberia: conclusion about the impact of climate change on permafrost soils and open questions ,

First European Permafrost Conference, Rome, ItalyMarch 2001. .

hdl:10013/epic.18789

Conference -Invited talk

Wagner, D. (2001)
Methanflüsse aus Permafrostböden Sibiriens: Ergebnisse und offene Fragen ,

Kolloquiumsvortrag, Universität Kiel, Institut für Polarökologie.02.2001. .

hdl:10013/epic.17575

Conference -Talk

Wagner, D. , Samarkin, V. and Pfeiffer, E. M. (2001)
Methanogenesis under extreme conditions in terrestrial permafrost ,

European Geophysical Society, XXVI General Assembly, Nice, FranceMarch 2001. .

hdl:10013/epic.18782

Conference -Talk

Tscherko, D. , Wagner, D. and Pfeiffer, E. M. (2001)
Microbial community structure of an arctic polygon tundra determined by phospholipid fatty acids ,

Dynamics and Challanges of Cryosols, Copenhagen, DenmarkAugust 2001. .

hdl:10013/epic.18784

Conference -Talk

Samarkin, V. , Wagner, D. and Pfeiffer, E. M. (2000)
Controls of methane flux from polygonal tundra cryosols ,

Sixth Workshop on Russian-German Cooperation: Laptev Sea System 2000, St. Petersburg, RussiaOctober 2000. .

hdl:10013/epic.18807

Conference -Talk

Wagner, D. , Pfeiffer, E. M. , Becker, H. , Kutzbach, L. , Vlasenko, A. , Samarkin, V. , Boike, J. and Bock, E. (2000)
Extreme Lebensbedingungen im terrestrischen Permafrost: Cryosole und Methanogenese ,

Frühjahrstagung der Deutschen Physikalischen Gesellschaft, March 21 - 24, 2000, Bremen, Germany .

hdl:10013/epic.18787

Conference -Talk

Samarkin, V. , Wagner, D. and Pfeiffer, E. M. (2000)
Methane biogeochemistry and microbial processes in Siberian tundra wetlands ,

INTECOL VI, International Wetland Conference, Quebec, CanadaAugust 2000. .

hdl:10013/epic.18788

Conference -Talk

Pfeiffer, E. M. , Samarkin, V. and Wagner, D. (2000)
Methane flux studies in Siberia: conclusion and open questions about the impact of climate change on permafrost soils ,

Sixth Workshop on Russian-German Cooperation: Laptev Sea System 2000, St. Petersburg, RussiaOctober 2000. .

hdl:10013/epic.18809

Conference -Poster

Wagner, D. , Schröder, H. , Kobabe, S. , Kassens, H. , Damm, E. and Pfeiffer, E. M. (2000)
Microbial methane in the system sediment-water column-ice sheet of the Laptev Sea ,

Sixth Workshop on Russian-German Cooperation: Laptev Sea System 2000, St. Petersburg, RussiaOctober 2000. .

hdl:10013/epic.18806

Conference -Invited talk

Wagner, D. (2000)
Saisonale Variabilität von rezenten Stoffumsetzungen: Cryosole und Methanogenese ,

Kolloquiumsvortrag, Universität Hohenheim, Institut für Bodenkunde und Standortlehre, Stuttgart. .

hdl:10013/epic.17577

Conference -Poster

Kutzbach, L. , Wagner, D. , Becker, H. and Pfeiffer, E. M. (2000)
The influence of vegetation and soil parameters on methane emission from a wet polygonal tundra ,

Sixth Workshop on Russian-German Cooperation: Laptev Sea System, 12-14 October, St. Petersburg, Russia. .

hdl:10013/epic.19315

Conference -Poster

Kurchatova, A. N. , Wagner, D. , Becker, H. , Stoof, G. and Pfeiffer, E. M. (2000)
The methane concentration in ice wedges of different generation in the Lena Delta ,

Sixth Workshop on Russian-German Cooperation: Laptev Sea System 2000, St. Petersburg, RussiaOctober 2000. .

hdl:10013/epic.18808

Conference -Talk

Wagner, D. and Pfeiffer, E. M. (1999)
Field measurements of greenhouse gases (CH4, CO2) and microbial process studies of the methane cycle in Siberian tundra ,

European Geophysical Society, XXIV General Assembly, The Hague, The NetherlandsApril 1999. .

hdl:10013/epic.18786

Conference -Poster

Becker, H. , Boike, J. , Wagner, D. and Pfeiffer, E. M. (1999)
Seasonal variation of the methane budget in correlation with the water and energy balance of a polygonal arctic tundra, Lena Delta, Siberia ,

5th Workshop on Russian-German Cooperation: Laptev Sea System 2000, November 26-28, 1999, St. Petersburg, Russia .

hdl:10013/epic.18810

Conference -Poster

Kutzbach, L. , Wagner, D. , Becker, H. and Pfeiffer, E. M. (1999)
The effect of vegetation on methane fluxes from wet polygon tundra ,

Fifth Workshop on Russian-German Cooperation: Laptev Sea System, 25-29 Nov., St. Petersburg, Russia. .

hdl:10013/epic.19314

Conference -Invited talk

Wagner, D. (1998)
Methane production and release of trace gases from subarctic tundra, Siberia ,

Second TUNDRA Meeting, Utrecht, The NetherlandsDecember 1998. .

hdl:10013/epic.18785

Conference -Talk

Wagner, D. and Pfeiffer, E. M. (1997)
Charakterisierung der organischen Bodensubstanz einer Reis-Weizen-Fruchtfolge in Hinblick auf die Methanbildung ,

Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, Konstanz.-14. September 1997. .

hdl:10013/epic.18803

Conference -Poster

Wagner, D. , Pfeiffer, E. M. and Bock, E. (1997)
Methanogenic bacteria isolated at low temperature from the Elbe river marshland ,

Jahrestagung der Vereinigung Allgemeiner und Angewandter Mikrobiologen, Hamburg.-19. März 1997. .

hdl:10013/epic.18802

Conference -Talk

Wagner, D. , Pfeiffer, E. M. and Bock, E. (1996)
Methane production in the presence of oxygen. ,

Jahrestagung der Vereinigung Allgemeiner und Angewandter Mikrobiologen, Bayreuth.-19. März 1996. .

hdl:10013/epic.18801

Conference -Talk

Wagner, D. and Pfeiffer, E. M. (1995)
Investigation of methane production in marshland soils of Northern Germany ,

International Symposium on Soil - Source and Sink of Greenhouse Gases, Chinese Academy of Sciences, Nanjing, ChinaSeptember 1995. .

hdl:10013/epic.18800

Conference -Poster

Wagner, D. , Pfeiffer, E. M. and Bock, E. (1994)
Temperature dependence of methane production in a typical soil of the Elbe river marshland ,

Jahrestagung der Vereinigung Allgemeiner und Angewandter Mikrobiologen, Hannover.-9. März 1994. .

hdl:10013/epic.18799

"Berichte zu Polar- und Meeresforschung"

"Berichte zu Polar- und Meeresforschung" Expedition reports

Wagner, D. , Overduin, P. P. , Grigoriev, M. N. , Knoblauch, C. and Bolshiyanov, D. Y. (2012)
Russian-German cooperation System Laptev Sea: the expedition LENA 2008 ,

Berichte zur Polar- und Meeresforschung = Reports on polar and marine research, Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 642 , 132 p. .

hdl:10013/epic.38929

Preview

"Berichte zu Polar- und Meeresforschung" Expedition reports

Schirrmeister, L. , Wagner, D. , Grigoriev, M. and Bolshiyanov, D. (2007)
The Expedition LENA 2005 ,

Berichte zur Polar- und Meeresforschung (Reports on Polar and Marine Research), Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 550 , 289 p. .

hdl:10013/epic.26734

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"Berichte zu Polar- und Meeresforschung" Expedition reports

Wagner, D. (2006)
The Expedition LENA 2004 in Siberia and the Expedition LIVINGSTON 2005 in Antarctica ,

Berichte zur Polar- und Meeresforschung (Reports on Polar and Marine Research), Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 539 , 123 p. .

hdl:10013/epic.25723

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"Polarforschung"

Boike, J. , Hubberten, H. W. , Lantuit, H. , Overduin, P. P. , Schirrmeister, L. , Wagner, D. and Huch, M. (2009)
Permafrost und der globale Klimawandel ,

Polarforschung, Bremerhaven, Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research, 78 (3), pp. 129-132 .

hdl:10013/epic.33336