Items where Author is "Klaas, Christine"

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Number of items: 58.

Article

Smetacek, V. , Klaas, C. , Strass, V. , Assmy, P. , Montresor, M. , Cisewski, B. , Savoye, N. , Webb, A. , d'Ovidio, F. , Arrieta, J. M. , Bathmann, U. , Bellerby, R. , Berg, G. M. , Croot, P. , Gonzalez, S. , Henjes, J. , Herndl, G. J. , Hoffmann, L. J. , Leach, H. , Losch, M. , Mills, M. M. , Neill, C. , Peeken, I. , Röttgers, R. , Sachs, O. , Sauter, E. , Schmidt, M. , Schwarz, J. , Terbrüggen, A. and Wolf-Gladrow, D. (2012)
Deep carbon export from a Southern Ocean iron-fertilized diatom bloom ,

Nature, NATURE PUBLISHING GROUP, 478 (7407), pp. 313-319 .

doi:10.1038/nature11229 , hdl:10013/epic.39796

Article

Smetacek, V. , Klaas, C. , Strass, V. , Assmy, P. , Montresor, M. , Cisewski, B. , Savoye, N. , Webb, A. , d'Ovidio, F. , Arrieta, J. M. , Bathmann, U. , Bellerby, R. , Berg, G. M. , Croot, P. L. , Gonzalez, S. , Henjes, J. , Herndl, G. J. , Hoffmann, L. J. , Leach, H. , Losch, M. , Mills, M. M. , Neill, C. , Peeken, I. , Roettgers, R. , Sachs, O. , Sauter, E. , Schmidt, M. , Schwarz, J. N. , Terbrüggen, A. and Wolf-Gladrow, D. (2012)
Deep carbon export from a Southern Ocean iron-fertilized diatom bloom. ,

Nature, Nature, 487 (7407), pp. 313-319 .

doi:10.1038/nature11229 , hdl:10013/epic.40646

Article

Löder, M. , Aberle, N. , Klaas, C. , Kraberg, A. and Wiltshire, K. H. (2010)
Conserving original in situ diversity in microzooplankton grazing set-ups ,

Marine Biodiversity Records, 3, e28, published online .

doi:10.1017/S1755267210000254 , hdl:10013/epic.34474

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Article

Klaas, C. and Assmy, P. (2010)
Fragilariopsis kerguelensis - eine Schlüsselart für den globalen Silicatkreislauf ,

Naturwissenschaftliche Rundschau, 63 (8), pp. 2-3 .

hdl:10013/epic.35673

Article

Bollmann, J. , Klaas, C. and Brand, L. E. (2010)
Morphological and physiological characteristics of Gephyrocapsa oceanica var. typica Kamptner 1943 in culture experiments: Evidence for genotypic variability. ,

Protist, 161 (1), pp. 78-90 .

doi:10.1016/j.protis.2009.08.002 , hdl:10013/epic.34484

Article

Mazzocchi, M. G. , Gonzalez, H. E. , Vandromme, P. , Borrione, I. , Ribera d'Alcalà, M. , Gauns, M. , Assmy, P. , Fuchs, B. , Klaas, C. , Martin, P. , Montresor, M. , Ramaiah, N. , Naqvi, W. and Smetacek, V. (2009)
A non-diatom plankton bloom controlled by copepod grazing and amphipod predation: Preliminary results from the LOHAFEX iron-fertilisation experiment. ,

GLOBEC International NewsletterOctober, 15 (2), pp. 3-6 .

hdl:10013/epic.33362

Article

Dehairs, F. , de Brauwere, A. , Elskens, M. , Bathmann, U. , Becquevort, S. , Blain, S. , Boyd, P. , Buesseler, K. , Buitenhuis, E. , Gehlen, M. , Herndl, G. , Klaas, C. , Lampitt, R. , Lefevre, D. , Passow, U. and Ploug, H. (2008)
Controls on Organic Carbon Export and Twilight Zone Remineralization / Primeau, F. , Stemmann, L. and Trull, T. (editors) ,

Oceanography, 21 , pp. 92-95 .

hdl:10013/epic.31016

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Article

Klaas, C. , Verity, P. G. and Schultes, S. (2008)
Determination of copepod grazing on natural plankton communities: correcting for trophic-cascade effects ,

Marine Ecology Progress Series, 357 , pp. 195-206 .

doi:10.3354/meps07262 , hdl:10013/epic.30378

Article

Bollmann, J. and Klaas, C. (2008)
Morphological variation of Gephyrocapsa oceanica Kamptner 1943 in plankton samples; implications for ecologic and taxonomic interpretations ,

Protist, 159 , pp. 369-381 .

doi:10.1016/j.protis.2008.02.001 , hdl:10013/epic.30941

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Article

Assmy, P. , Henjes, J. , Klaas, C. and Smetacek, V. (2007)
Mechanisms determining species dominance in a phytoplankton bloom induced by the iron fertilization experiment EisenEx in the Southern Ocean. ,

Deep Sea Research I:, 54 (3), pp. 340-362 .

doi:10.1016/j.dsr.2006.12.005 , hdl:10013/epic.25072

Article

Assmy, P. , Cisewski, B. , Henjes, J. , Klaas, C. , Sachs, O. , Smetacek, V. and Strass, V. (2007)
Pluja de Plàncton a l'oceà Antàrtic: l'experiment Europeu de fertilització amb ferro. ,

Omnis Cellular 15 .

hdl:10013/epic.33627

Article

Henjes, J. , Assmy, P. , Klaas, C. , Verity, P. and Smetacek, V. (2007)
Response of microzooplankton (protists and small copepods) to an iron-induced phytoplankton bloom in the Southern Ocean (EisenEx) ,

Deep Sea Research I, 54 (3), pp. 363-384 .

doi:10.1016/j.dsr.2006.12.004 , hdl:10013/epic.25074

Article

Henjes, J. , Assmy, P. , Klaas, C. and Smetacek, V. (2007)
Response of the larger protozooplankton to an iron-induced phytoplankton bloom in the Polar Frontal Zone of the Southern Ocean (EisenEx) ,

Deep Sea Research I: Oceanographic Research Papers:, 54 (5), pp. 774-791 .

doi:10.1016/j.dsr.2007.02.005 , hdl:10013/epic.26353

Article

Wolf-Gladrow, D. , Zeebe, R. , Klaas, C. , Körtzinger, A. and Dickson, A. G. (2007)
Total alkalinity: the explicit conservative expression and its application to biogeochemical processes ,

Marine Chemistry, 106 , pp. 287-300 .

doi:10.1016/j.marchem.2007.01.006 , hdl:10013/epic.26875

Article

Assmy, P. , Cisewski, B. , Henjes, J. , Klaas, C. , Sachs, O. , Smetacek, V. and Strass, V. (2006)
Plankton rain in the Southern Ocean: The European Iron Fertilization Experiment EIFEX ,

Das AWI in den Jahren 2004 und 2005 - Report, 2004 (2005), pp. 38-41 .

hdl:10013/epic.25347

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Article

Jansen, S. , Klaas, C. , Krägefsky, S. , von Harbou, L. and Bathmann, U. (2006)
Reproductive response of the copepod Rhincalanus gigas to an iron-induced phytoplankton bloom in the Southern Ocean ,

Polar biology, 29 (12), pp. 1039-1044 .

doi:10.1007/s00300-006-0147-0 , hdl:10013/epic.23873

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Article

Howard, M. T. , Winguth, A. M. E. , Klaas, C. and Maier-Reimer, E. (2006)
Sensitivity of ocean carbon tracer distributions to particulate organic flux parameterizations ,

Global Biogeochemical Cycles, 20, GB3011 .

doi:10.1029/2005GB002499 , hdl:10013/epic.22857

Article

Le Quéré, C. , Harrison, S. P. , Prentice, I. C. , Buitenhuis, E. T. , Aumont, O. , Bopp, L. , Claustre, H. , Cotrim da Cunha, L. , Geider, R. , Giraud, X. , Klaas, C. , Kohfeld, K. E. , Legendre, L. , Manizza, M. , Platt, T. , Rivkin, R. B. , Sathyendranath, S. , Uitz, J. , Watson, A. J. and Wolf-Gladrow, D. (2005)
Ecosystem dynamics based on plankton functional types for global ocean biogeochemistry models ,

Global Change Biology, 11 , pp. 2016-2040 .

doi:10.1111/j.1365-2486.01004.x , hdl:10013/epic.22409

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Article

Ziveri, P. , Stoll, H. M. , Probert, I. , Klaas, C. , Geisen, M. , Ganssen, G. M. and Young, J. R. (2003)
Stable isotope "vital effects" in coccolith calcite ,

Earth and planetary science letters, 201 , pp. 137-149 .

hdl:10013/epic.17348

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Article

Klaas, C. and Archer, D. E. (2002)
Association of sinking organic matter with various types of mineral ballast in the deep sea: Implications for the rain ratio ,

Global Biogeochemical Cycles, 16 , pp. 1-13 .

doi:10.1029/2001GB001765 , hdl:10013/epic.22403

Article

Stoll, H. M. , Klaas, C. , Probert, I. , Ruiz Encinar, J. and Garcia Alonso, J. I. (2002)
Calcification rate and temperature effects on Sr partitioning in coccoliths of multiple species of coccolithophorids in culture ,

Global and Planetary Change, 34 , pp. 153-171 .

hdl:10013/epic.22407

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Article

Smetacek, V. , Klaas, C. , Menden-Deuer, S. and Rynearson, T. A. (2002)
Mesoscale distribution of dominant diatom species relative to the hydrographical field along the Antarctic Polar Front ,

Deep-Sea Research II, 49 (18), pp. 3835-3848 .

doi:10.1016/S0967-0645(02)00113-3 , hdl:10013/epic.16135

Article

Renaud, S. and Klaas, C. (2001)
Seasonal variations in the morphology of the coccolithophore Calcidiscus leptoporus off Bermuda (N. Atlantic) ,

Journal of Plankton Research, 23 , pp. 779-795 .

hdl:10013/epic.22402

Article

Klaas, C. (2001)
Spring distribution of larger (>64 µm) protozoans in the Atlantic sector of the Southern Ocean ,

Deep-Sea Research I, 48 , pp. 1627-1649 .

hdl:10013/epic.22404

Article

Stoll, H. M. , Encinar, J. R. , Garcia Alonso, J. I. , Rosenthal, Y. , Probert, I. and Klaas, C. (2001)
A first look at paleotemperature prospects from Mg in coccolith carbonate: Cleaning techniques and culture measurements ,

Geochemistry Geophysics Geosystems,2GC000144., 200 .

hdl:10013/epic.26396

Article

Klaas, C. (1997)
Microprotozooplankton distribution and their potential grazing impact in the Antarctic Circumpolar Current ,

Deep-Sea Res II, 44 (1), pp. 375-393 .

hdl:10013/epic.12253

Article

Bathmann, U. , Scharek, R. , Klaas, C. , Dubischar, C. and Smetacek, V. (1997)
Spring development of phytoplankton biomass and composition in major water masses of the Atlantic Sector of the Southern Ocean ,

Deep-Sea Research II, 44 , pp. 51-67 .

hdl:10013/epic.10784

Preview

Inbook

Nöthig, E. M. , Assmy, P. , Klaas, C. and Scharek, R. (2009)
Phyto- and protozooplankton in polar waters ,

Biological studies in polar oceans : exploration of life in icy waters ; 35 research reports and reviews / Gotthilf and Irmtraut Hempel (ed.) Bremerhaven : Wirtschaftsverl. NW, Verl. für neue Wissenschaft, ISBN: 978-3-86509-865-8 .

hdl:10013/epic.33511

Inbook

Prentice, I. C. , Le Quéré, C. , Buitenhuis, E. T. , House, J. I. , Klaas, C. and Knorr, W. (2004)
Biosphere dynamics: challenges for Earth System Models. In C. J. Hawkesworth and R. S. J. Sparks (eds), The State of the Planet: Frontiers and Challenges in Geophysics. ,

AGU, Geophysical Monograph 150. IUGG19. .

hdl:10013/epic.22408

Thesis

Thesis -PhD

Klaas, C. (1997)
Distribution and role of microprotozoa in the Southern Ocean = Verteilung und Einfluss von herbivoren Protozoen auf Phytoplanktonbestände und Vertikalflüsse im Südpolarmeer ,

PhD thesis, Bremen University.

hdl:10013/epic.22410

Conference

Conference -Poster

Löder, M. , Kraberg, A. , Aberle, N. , Klaas, C. and Wiltshire, K. H. (2009)
Micro- versus mesozooplankton grazing: the contribution of ciliates, dinoflagellates and copepods in controlling phytoplankton biomass ,

AWI PhD Day 2009, 3.-6.06.2009, List. .

hdl:10013/epic.36513

Conference -Poster

Assmy, P. , Klaas, C. , Henjes, J. , Montresor, M. , Peeken, I. , Röttgers, R. , Wolf-Gladrow, D. and Smetacek, V. (2007)
Exceptional growth rates of phytoplankton species under iron-replete conditions ,

Gordon Research Conference Polar Marine Science, 25-30 March 2007, Ventura, California, USA. .

hdl:10013/epic.26533

Conference -Poster

Löder, M. , Kraberg, A. , Aberle, N. , Klaas, C. and Wiltshire, K. H. (2007)
Grazing on phytoplankton: the contribution of micro- and mesozooplankton in controlling phytoplankton biomass ,

Deutsche Botanikertagung, 3.-7.9.2007, Hamburg, Germany. .

hdl:10013/epic.28025

Conference -Poster

Löder, M. , Kraberg, A. , Aberle, N. , Klaas, C. and Wiltshire, K. H. (2007)
Micro- versus mesozooplankton grazing: The contribution of ciliates, dinoflagellates and copepods in controlling phytoplankton biomass - First steps in measuring the grazing ,

42. European Marine Biology Symposium, 27.-31.8.2007, Kiel, Germany. .

hdl:10013/epic.28023

Conference -Poster

Löder, M. , Kraberg, A. , Aberle, N. , Klaas, C. and Wiltshire, K. H. (2007)
Mikrozoo- vs. mesozooplankton grazing: The importance of dinoflagellates, ciliates and copepods in controlling phytoplankton blooms ,

AWI PhD Day 2007, 11.-13.05.07, Bremerhaven .

hdl:10013/epic.36512

Conference -Invited talk

Smetacek, V. , Assmy, P. , Cisewski, B. , Henjes, J. , Klaas, C. , Strass, V. and Montresor, M. (2006)
Aggregation and mass sinking of diatom species populations from an iron-fertilized bloom in the Southern Ocean ,

International Workshop on Marine Aggregates (IWOMA), 11+12 Dec. 2006, MPI Bremen, Germany. .

hdl:10013/epic.26025

Conference -Poster

Assmy, P. , Henjes, J. , Klaas, C. , Sachs, O. , Sauter, E. and Smetacek, V. (2006)
Mass sinking of individual species populations during an iron fertilization experiment in the Southern Ocean (EIFEX). ,

Gordon Research Conference Marine Microbes: Activities & Interactions, 23-28 July 2006, Biddeford, Maine, USA.. .

hdl:10013/epic.25835

Conference -Poster

Jansen, S. , Klaas, C. , Krägefsky, S. , von Harbou, L. , Teschke, M. and Bathmann, U. (2006)
Reproduction of the copepod Rhincalanus gigas during an iron-induced phytoplankton bloom in the Southern Ocean ,

2nd SCAR Open Science Conference "Antarctic in the Earth System", 12-14 July 2006, Hobart, Australia. .

hdl:10013/epic.25069

Preview

Conference -Poster

Henjes, J. , Assmy, P. , Klaas, C. , Smetacek, V. and Montresor, M. (2006)
Response of microzooplankton to iron-induced phytoplankton blooms in the Southern Ocean ,

Gordon Research Conference Marine Microbes: Activities & Interactions, 23-28 July 2006, Biddeford, Maine, USA. .

hdl:10013/epic.25845

Conference -Talk

Henjes, J. , Assmy, P. , Klaas, C. and Smetacek, V. (2005)
Impact of copepod grazing on developmental dynamics of an iron-induced phytoplankton bloom (EisenEx) ,

SS11: Biodiversity, Biogeochemistry and Trophic Interactions: The Braid of Pelagic Microbial Ecology, American Society of Limnology and Oceanography (ASLO) Summer Meeting 2005,1924 June, Santiago de Compostela, Spain .

hdl:10013/epic.23888

Preview

Conference -Talk

Strass, V. , Assmy, P. , Bathmann, U. , Bellerby, R. , Cisewski, B. , Croot, P. , Gonzales, S. , Hoffmann, L. , Klaas, C. , Krägefsky, S. , Leach, H. , Peeken, I. , Savoye, N. and Smetacek, V. (2005)
Particle sedimentation from an iron-stimulated phytoplankton bloom in the Southern Ocean ,

Dynamic Planet 2005, 22-26 August, Cairns, Australia. .

hdl:10013/epic.24608

Conference -Talk

Assmy, P. , Henjes, J. , Klaas, C. and Smetacek, V. (2005)
SPECIES-SPECIFIC GROWTH PERFORMANCE AND GRAZING MORTALITY OF THE DIATOM ASSEMBLAGE DURING AN IN SITU IRON-INDUCED BLOOM IN THE SOUTHERN OCEAN (EISENEX) ,

ASLO Summer Meeting 2005, Special Session 11: Biodiversity, biogeochemistry and trophic interactions: The braid of pelagic microbial ecology. 19.-24. June, Santiago de Compostela, Spain. .

hdl:10013/epic.23887

Preview

Conference -Poster

Henjes, J. , Assmy, P. , Klaas, C. and Smetacek, V. (2004)
Response of small grazers to iron-induced phytoplankton blooms in the Antarctic Polar Frontal Zone ,

SCAR Open Science Conference "Antarctic and the Southern Ocean in the Global System", 25-31 July, Bremen, Germany .

hdl:10013/epic.24097

Preview

Conference -Poster

Assmy, P. , Henjes, J. , Klaas, C. and Smetacek, V. (2004)
Response of the diatom assemblage to iron fertilization in the Antarctic Polar Frontal Zone ,

SCAR Open Science Conference, Antarctica and the Southern Ocean in the Global System, 25-31 July, Bremen, Germany .

hdl:10013/epic.24096

Preview

Conference -Poster

Assmy, P. , Henjes, J. , Klaas, C. and Smetacek, V. (2003)
Biological response to iron fertilization in the Polar Frontal Zone of the Southern Ocean (EisenEx) ,

Ocean Biogeochemistry & Ecosystems Analysis (OCEANS), International Open Science Conference, 7-10 Jan., Paris, France. .

hdl:10013/epic.19027

Preview

Conference -Invited talk

Smetacek, V. , Assmy, P. , Henjes, J. and Klaas, C. (2003)
Plankton species selection during the iron-vertilization experiment EisenEx in the Southern Ocean ,

EGS-AGU-EUG Joint Assembly, "The Southern Ocean´s role in present and past climate", 06-11 April 2003, Nice, France .

hdl:10013/epic.19032

Conference -Poster

Assmy, P. , Henjes, J. , Klaas, C. and Smetacek, V. (2003)
Response of a diatom community to iron fertilization in the Polar Frontal Zone of the Southern Ocean (EisenEx): A species approach ,

Gordon Research Conference on Polar Marine Research, The changing polar oceans: impacts of a changing climate on physical, chemical, biological and coupled systems, 16-21 March, Ventura, CA, USA. .

hdl:10013/epic.19028

Conference -Poster

Henjes, J. , Assmy, P. , Klaas, C. and Smetacek, V. (2003)
Response of small grazers to an iron-induced diatom bloom in the Polar Frontal Zone of the Southern Ocean ,

Gordon Research Conference on Polar Marine Science, The changing polar oceans: impacts of a changing climate on physical, chemical, biological and coupled systems, 16-21 March, Ventura, USA. .

hdl:10013/epic.19029

Preview

Conference -Invited talk

Klaas, C. and Archer, D. (2003)
Spatial patterns of organic carbon, opal and CaCO3 fluxes in sediments traps: Application to the LGM carbon cycle ,

EGS-AGU-EUG Joint Assembly, Nice, France. .

hdl:10013/epic.22416

Conference -Talk

Andersen, N. , Schoell, M. , Carlson, R. , Schaeffer, P. , Bernasconi, S. , Hilary, A. P. , Klaas, C. and Hunkeler, D. (2001)
Compound-specific hydrogen isotope analysis as a novel tool in petroleum geology: Examples of source-rock paleoenvironment, diagenetic alteration, hydrogen donnor, and biodegradation of petroleum hydrocarbons. ,

222nd ACS Meeting, Chicago, USA. .

hdl:10013/epic.22417

Conference -Invited talk

Klaas, C. and Archer, D. E. (2001)
Variability of POC/CaCO3 rain ratios: A case study from sediment trap data ,

U.S. JGOFS Synthesis and Modelling Project: Marine Calcification Workshop, Woods Hole, USA. .

hdl:10013/epic.22415

Conference -Talk

Klaas, C. (1999)
Morphological and growth characteristics of Gephyrocapsa as a function of temperature conditions ,

CODENET 2nd annual Workshop. Chateau de Blagnac, France. .

hdl:10013/epic.22414

Conference -Invited talk

Klaas, C. (1998)
Calcarious phytoplankton. ,

Alfred-Wegener-Institute for Polar and Marine Research. .

hdl:10013/epic.22413

Conference -Invited talk

Klaas, C. (1997)
Distribution and grazing impact of microprotozoa in different water masses of the Southern Ocean during Austral spring ,

Rosenstiel School of Marine and Atmospheric Sciences, Miami, USA. .

hdl:10013/epic.22412

Conference -Talk

Klaas, C. (1994)
Distribution and grazing activity of microzooplankton along the 6°W meridian in Antarctica ,

AGU/ALSO Ocean sciences meeting, San Diego, USA. .

hdl:10013/epic.22411

Conference -Poster

Kuipers, B. R. , Gonzalez, S. , Dubischar, C. , Klaas, C. and Reitmeyer, S. (1994)
The Role of Macrozooplankton and Microheterotrophic Grazers in the Antarctic Circumpolar Current ,

1994 Ocean Sciences Meeting, ASLO, 21-25 Feb., San Diego, California, USA. .

hdl:10013/epic.22263

"Berichte zu Polar- und Meeresforschung"

"Berichte zu Polar- und Meeresforschung" PhD

Klaas, C. (1997)
Distribution and role of microprotozoa in the Southern Ocean = Verteilung und Einfluß von herbivoren Protozoen auf Phytoplanktonbestände und Vertikalflüsse im Südpolarmeer ,

Berichte zur Polarforschung (Reports on Polar Research), Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 253 , 119 p. .

hdl:10013/epic.10256

Preview

Field Report

Assmy, P. , Freier, U. , Henjes, J. , Klaas, C. and Smetacek, V. (2001)
Phytoplankton composition and species abundance during EISENEX ,

[Field Report]

hdl:10013/epic.19815

This list was generated on Tue May 21 05:12:10 2013 CEST.