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Items where Author is "Zacher, Katharina"

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Number of items: 47.

Article
Zacher, K. (2014)
The susceptibility of spores and propagules of Antarctic seaweeds to UV and photosynthetically active radiation — Field versus laboratory experiments ,
Journal of Experimental Marine Biology and Ecology, 458 , pp. 57-63 .
doi:10.1016/j.jembe.2014.05.007 , hdl:10013/epic.43613

Conference -Talk
Deregibus, D. , Zacher, K. , Campana, G. L. , Ruiz Barlett , E. M. , Sierra , M. E. , Tosonotto , G. V. , Wiencke, C. and Quartino, M. L. (2013)
Can glacial melting cause interannual variations in the productivity of Antarctic seaweeds (Potter Cove, Antarctica)? ,
XIth SCAR Biology Symposium, Barcelona, Spain, 15 July 2013 - 19 July 2013 .
hdl:10013/epic.42978

Conference -Conference paper
Deregibus, D. , Zacher, K. , Campana, G. L. , Wiencke, C. and Quartino, M. L. (2012)
How do two key seaweed species respond to glacier retreat in Potter Cove, South Shetland Islands, Antarctica ,
XXXII SCAR and Open Science Conference, Portland, OR, USA, 16 July 2012 - 19 July 2012 .
hdl:10013/epic.40617

Conference -Talk
Deregibus, D. , Zacher, K. , Wiencke, C. and Quartino, M. L. (2012)
Daily Metabolic Carbon Balance in Spring and Summer and Vertical Distribution of Two Macroalgal Key Species In Potter Cove, South Shetland Islands, Antarctica ,
II Workshop APECS, Universidad de Rio Grande (FURG), Brasil, 14 May 2012 - 17 May 2012 .
hdl:10013/epic.40616

Conference -Talk
Deregibus, D. , Zacher, K. , Campana, G. L. , Wiencke, C. and Quartino, M. L. (2011)
Requerimientos fotosintéticos de luz y distribución vertical de Himantothallus grandifolius y Palmaria decipiens en nuevas areas libres de hielo (caleta Potter, Islas Shetland del Sur, Antartida) ,
IX Congreso de Ficologia de Latinoamerica y el Caribe, La Plata, Argentina .
hdl:10013/epic.38147

Conference -Conference paper
Wiencke, C. , Zacher, K. , Hop, H. , Kovaltchouk, N. A. and Vögele, B. (2011)
Species composition, zonation and biomass of seaweeds in Kongsfjorden, Svalbard - a basline study ,
Fifth European Phycological Congress, Rhodes, GreceSeptember 2011 .
doi:10.1080/09670262.2011.613162 , hdl:10013/epic.38079

Inbook
Campana, G. L. , Zacher, K. , Fricke, A. , Molis, M. , Wulff, A. , Quartino, M. L. and Wiencke, C. (2010)
Drivers of colonization and succession in polar benthic macro- and microalgal communities ,
Biology of polar benthic algae / Christian Wiencke (ed.) Berlin : de Gruyter, ISBN: 978-3-11-022970-7 .
hdl:10013/epic.36645

Conference -Poster
Zacher, K. and Wiencke, C. (2010)
IMPACT OF UV AND HIGH PHOTOSYNTHETICALLY ACTIVE RADIATION ON GERMINATION OF SPORES OF THREE ANTARCTIC SEAWEEDS ,
SCAR Open Science Conference, Buenos Aires 2010. .
hdl:10013/epic.35918

Conference -Talk
Zacher, K. , Campana, C. , Quartino, M. L. , Wulff, A. , Hanelt, D. and Wiencke, C. (2010)
IMPACT OF UV RADIATION AND GRAZERS ON THE COLONIZATION OF MARINE BENTHIC PRIMARY PRODUCERS IN ANTARCTICA (PART I: INTERTIDAL COMMUNITIES) ,
SCAR Open Science Conference Buenos Aires 2010. .
hdl:10013/epic.35919

Conference -Talk
Campana, C. , Zacher, K. , Wulff, A. , Ferrario, M. , Ferreyra, G. A. , Momo, F. , Wiencke, C. and Quartino, M. L. (2010)
IMPACTS OF UV RADIATION AND GRAZERS ON THE COLONIZATION OF MARINE BENTHIC PRIMARY PRODUCERS IN ANTARCTICA (PART II: SUBTIDAL COMMUNITIES) ,
SCAR Open Science Conference Buenos Aires 2010. .
hdl:10013/epic.35920

Conference -Talk
Deregibus, D. , Zacher, K. , Wiencke, C. and Quartino, M. L. (2010)
MACROALGAL PHOTOSYNTHETIC LIGHT REQUIREMENTS IN RELATION TO THEIR VERTICAL DISTRIBUTION IN POTTER COVE, SOUTH SHETLAND ISLANDS, ANTARCTICA ,
SCAR Open Science Conference Buenos Aires 2010. .
hdl:10013/epic.35921

Inbook
Zacher, K. , Rautenberger, R. , Hanelt, D. , Wulff, A. and Wiencke, C. (2010)
The abiotic environment of polar marine benthic algae ,
Biology of polar benthic algae / Christian Wiencke (ed.) Berlin : de Gruyter, ISBN: 978-3-11-022970-7 .
hdl:10013/epic.36644

Article
Campana, G. L. , Zacher, K. , Fricke, A. , Molis, M. , Wulff, A. , Quartino, M. L. and Wiencke, C. (2009)
Drivers of colonization and succession in polar benthic macro- and microalgal communities ,
Botanica Marina, 52 (6), pp. 655-667 .
doi:10.1515/BOT.2009.076 , hdl:10013/epic.33682

Article
Zacher, K. , Roleda, M. , Wulff, A. , Hanelt, D. and Wiencke, C. (2009)
Responses of Antarctic Iridaea cordata (Rhodophyta) tetraspores exposed to ultraviolet radiation ,
Phycological Research, 57 (3), pp. 186-193 .
doi:10.1111/j.1440-1835.2009.00538.x , hdl:10013/epic.33179

Article
Zacher, K. , Wulff, A. , Molis, M. , Hanelt, D. and Wiencke, C. (2009)
Ultraviolet radiation and consumer effects on a field-grown intertidal macroalgal assemblage in Antarctica ,
Global Change Biology, The International Polar Year virtual special issue June 2009. .
hdl:10013/epic.33696

Article
Zacher, K. , Rautenberger, R. , Hanelt, D. , Wulff, A. and Wiencke, C. (2009)
The abiotic environment of polar marine benthic macro- and microalgae ,
Botanica Marina 52, pp. 483-490 .
doi:10.1515/BOT.2009.082 , hdl:10013/epic.33690

Conference -Talk
Wulff, A. , Roleda, M. , Zacher, K. , Al-Handal, A. Y. and Wiencke, C. (2008)
Are benthic marine diatoms UV tolerant? ,
2008 Ocean Sciences Meeting, 2-7 March 2008, Orlando, Florida. .
hdl:10013/epic.30254

Article
Wulff, A. , Roleda, M. , Zacher, K. and Wiencke, C. (2008)
Exposure to sudden light burst after prolonged darkness - a case study on benthic diatoms in Antarctica ,
Diatom Research, 23 (2), pp. 519-532 .
hdl:10013/epic.31627
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Article
Roleda, M. , Zacher, K. , Campana, G. L. , Wulff, A. , Hanelt, D. , Quartino, M. L. and Wiencke, C. (2008)
Photosynthetic performance and impact of ultraviolet radiation on the reproductive cells of Antarctic macroalgae ,
Wiencke, C., Ferreyra, G., Abele, D., Marenssi, S. (eds): The Potter Cove coastal ecosystem, Antarctica. Synopsis of research performed 1999-2006 at the Dallmann Laboratory and Jubany Station, King George Island (Isla 25 de Mayo). Berichte zur Polar- und , pp. 254-262 .
hdl:10013/epic.28682
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Article
Wulff, A. and Zacher, K. (2008)
Short-term UV effects on the photosynthesis of Antarctic benthic diatoms ,
in: Wiencke, C., Ferreyra, G., Abele, D., Marenssi, S. (eds): The Potter Cove coastal ecosystem, Antarctica. Synopsis of research performed 1999-2006 at the Dallmann Laboratory and Jubany Station, King George Island (Isla 25 de Mayo). Berichte zur Polar- , pp. 295-301 .
hdl:10013/epic.28750

Article
Roleda, M. , Zacher, K. , Wulff, A. , Hanelt, D. and Wiencke, C. (2008)
Susceptibility of spores of different ploidy levels from Antarctic Gigartina skottsbergii (Gigartinales, Rhodophyta) to ultraviolet radiation ,
Phycologia, 47 (4), pp. 361-370 .
doi:10.2216/07-84.1 , hdl:10013/epic.30761
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Article
Richter, A. , Wuttke, S. and Zacher, K. (2008)
Two years of in situ UV measurements at Dallmann Laboratory/ Jubany Base ,
Wiencke, C., Ferreyra, G., Abele, D., Marenssi, S. (eds): The Potter Cove coastal ecosystem, Antarctica. Synopsis of research performed 1999-2006 at the Dallmann Laboratory and Jubany Station, King George Island (Isla 25 de Mayo). Berichte zur Polar- und , pp. 12-19 .
hdl:10013/epic.28755

Article
Wulff, A. , Zacher, K. , Hanelt, D. , Al-Handal, A. and Wiencke, C. (2008)
UV radiation - a threat to Antarctic benthic marine diatoms? ,
Antarctic Science, 20 , pp. 13-20 .
doi:10.1017/S0954102007000739 , hdl:10013/epic.28752

Article
Zacher, K. and Campana, G. (2008)
UV radiation and grazing effects on an intertidal and subtidal algal assemblage: a comparative study ,
in: Wiencke, C., Ferreyra, G., Abele, D., Marenssi, S. (eds): The Potter Cove coastal ecosystem, Antarctica. Synopsis of research performed 1999-2006 at the Dallmann Laboratory and Jubany Station, King George Island (Isla 25 de Mayo). Berichte zur Polar-, pp. 287-294 .
hdl:10013/epic.28749

Article
Wulff, A. , Roleda, M. , Zacher, K. and Wiencke, C. (2008)
UV radiation effects on pigments, photosynthetic efficiency and DNA of an Antarctic marine benthic diatom community ,
Aquatic Biology, 3 , pp. 167-177 .
doi:10.3354/ab00076 , hdl:10013/epic.30933
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Conference -Talk
Wulff, A. , Zacher, K. , Roleda, M. , Al-Handal, A. Y. , Hanelt, D. and Wiencke, C. (2007)
Antarctic benthic marine diatoms in a changing light climate ,
42nd European Marine Biology Symposium - KielAugust 2007. .
hdl:10013/epic.27721

"Berichte zur Polar- und Meeresforschung" PhD
Zacher, K. (2007)
Effects of uv radiation on Antarctic benthic algae - with emphasis on early successional stages and communities = Effekte von UV-Strahlung auf antarktische benthische Algen - mit Schwerpunkt auf jungen Entwicklungsstadien und Gemeinschaften ,
Berichte zur Polar- und Meeresforschung (Reports on Polar and Marine Research), Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 567 , 191 p. .
hdl:10013/epic.28670
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Article
Zacher, K. , Hanelt, D. , Wiencke, C. and Wulff, A. (2007)
Grazing and UV radiation effects on an Antarctic intertidal microalgal assemblage: a long-term field study ,
Polar Biology. .
doi:10.1007/s00300-007-0278-y , hdl:10013/epic.26545
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Article
Roleda, M. , Zacher, K. , Wulff, A. , Hanelt, D. and Wiencke, C. (2007)
Photosynthetic performance, DNA damage and repair in gametes of the endemic Antarctic brown alga Ascoseira mirabilis exposed to ultraviolet radiation ,
Austral ecology, 32 (8), pp. 917-926 .
doi:10.1111/j.1442-9993.2007.01796.x , hdl:10013/epic.28438
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Article
Zacher, K. , Roleda, M. , Hanelt, D. and Wiencke, C. (2007)
UV effects on photosynthesis and DNA in propagules of three different Antarctic seaweeds (Adenocystis utricularis, Monostroma hariotii and Porphyra endiviifolium) ,
Planta, 225 (6), pp. 1505-1516 .
doi:10.1007/s00425-006-0436-4 , hdl:10013/epic.26546
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Conference -Poster
Zacher, K. , Roleda, M. , Molis, M. , Wulff, A. , Hanelt, D. and Wiencke, C. (2007)
UV radiation and grazing impacts on an intertidal macroalgal assemblage in Antarctica ,
125 Jahre Deutsche Botanische Gesellschaft - Botanikertagung - 3. - 7. September 2007. .
hdl:10013/epic.27722

Article
Zacher, K. , Wulff, A. , Molis, M. , Hanelt, D. and Wiencke, C. (2007)
Ultraviolet radiation radiation and consumer effects on a field-grown intertidal macroalgal assemblage in Antarctica ,
Global Change Biology, 13 (6), pp. 1201-1215 .
doi:10.1111/j.1365-2486.2007.01349.x , hdl:10013/epic.26723
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Conference -Talk
Roleda, M. , Zacher, K. , Wulff, A. , Hanelt, D. and Wiencke, C. (2006)
Impact of ultraviolet and photosynthetically active radiation on the photosynthetic efficiency and DNA of reproductive cells of Antarctic seaweeds ,
11. Wissenschaftliche Tagung der Sektion Phykologie in der Deutschen Botanischen Gesellschaft, Helgoland, Deutschland. .
hdl:10013/epic.25687

Article
Wulff, A. , Roleda, M. , Zacher, K. , Wiencke, C. , Hanelt, D. , Campana, G. and Quartino, L. (2006)
Impact of ultraviolet radiation and grazers on benthic primary producers in Antarctica ,
Polarforskningssekretariatet : årsbok 2005 = Swedish Polar Research Secretariat : yearbook 2005 / [Sofia Rickberg], pp. 65-68 .
hdl:10013/epic.25467

Conference -Talk
Zacher, K. , Roleda, M. , Hanelt, D. and Wiencke, C. (2006)
Reaction of three different Antarctic macroalgae (Adenocystis utricularis, Monostroma hariotii and Porphyra endiviifolium) to ultraviolet-radiation ,
11. Wissenschaftliche Tagung der Sektion Phykologie in der Deutschen Botanischen Gesellschaft, Helgoland, Deutschland. .
hdl:10013/epic.25686

Conference -Poster
Zacher, K. , Roleda, M. , Molis, M. , Wulff, A. , Hanelt, D. and Wiencke, C. (2006)
UV radiation and herbivory shape intertidal macroalgal assemblages in Antarctica ,
UV effects in aquatic and terrestrial environments, The 33rd Meeting of the American Society for Photobiology, 8-12 July 2006, Rio Grande, Puerto Rico. .
hdl:10013/epic.25536

Article
Bischof, K. , Gomez, I. , Molis, M. , Hanelt, D. , Karsten, U. , Lüder, U. , Roleda, M. , Zacher, K. and Wiencke, C. (2006)
Ultraviolet radiation shapes seaweed communities ,
Reviews in Environmental Science and Biotechnology, 5 (2), pp. 141-166 .
doi:10.1007/s11157-006-0002-3 , hdl:10013/epic.24973
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Conference -Talk
Wulff, A. , Roleda, M. , Zacher, K. , Hanelt, D. and Wiencke, C. (2005)
How much utraviolet radiation can Antarctic benthic marine diatoms cope with? ,
8th International Phycological Congress, 13-19 August 2005, Durban, South Africa (Phycologia 44(4)Suppl:112-113). .
hdl:10013/epic.23726

Conference -Talk
Zacher, K. , Wulff, A. , Hanelt, D. , Roleda, M. and Wiencke, C. (2005)
Impact of UV radiation on the succession of intertidal benthic primary producers in Antarctica ,
8th International Phycological Congress, 13-19 August 2005, Durban, South Africa (Phycologia 44(4)Suppl:114-115) .
hdl:10013/epic.23727

Conference -Talk
Roleda, M. , Zacher, K. , Wulff, A. , Wiencke, C. and Hanelt, D. (2005)
Sensitivity of Antarctic macroalgal reproductive cells to UV-radiation and PAR ,
8th International Phycological Congress, 13-19 August 2005, Durban, South Africa (Phycologia 44(4)Suppl:42-43). .
hdl:10013/epic.23724

Conference -Invited talk
Roleda, M. , Zacher, K. , Campana, G. L. , Wulff, A. , Wiencke, C. and Hanelt, D. (2005)
Sensitivity of Antarctic macroalgal spores and gametes to ultraviolet and photosynthetically active radiation ,
Der Fachbereichsreferent, Fachbereich Biology, Universität KonstanzMay 2005. .
hdl:10013/epic.23115

Conference -Talk
Campana, G. L. , Quartino, M. L. , Ferreyra, G. A. , Zacher, K. , Wulff, A. and Wiencke, C. (2004)
Efectos de la radiación ultravioleta y la herbivoría sobre la sucesión de las macro y microalgas bentónicas de Caleta Potter (Isla 25 de Mayo, Shetland del Sur) ,
V° Simposio Antártico Argentino Y I° Latinoamericano sobre Investigaciones Antarticas, September 2004, Buenos Aires, Argentina. .
hdl:10013/epic.21760

Conference -Poster
Zacher, K. , Wulff, A. , Hanelt, D. , Wiencke, C. , Campana, G. and Quartino, M. (2004)
Impact of UV radiation on the succession of benthic primary producers in Antarctica ,
SCAR Open Science Conference, Antarctica and the Southern Ocean in the Global System, 25-31 Jul. 2004, Bremen, Germany. .
hdl:10013/epic.23259

Conference -Poster
Zacher, K. , Wulff, A. , Hanelt, D. , Wiencke, C. , Campana, G. and Quartino, M. (2004)
Impact of UV radiation on the succession of benthic primary producers in Antarctica ,
EASIZ Final Symp., Sept./Oct. 2004, Korcula, Croatia. .
hdl:10013/epic.23260

Article
Wulff, A. , Hanelt, D. , Wiencke, C. and Zacher, K. (2004)
Impact of ultraviolet radiation on benthic primary producers in Antarctica ,
Polarforskningssekretariatet : årsbok 2004 = Swedish Polar Research Secretariat : yearbook 2004 / [redaktör: Josefin Viidas], pp. 82-86 .
hdl:10013/epic.22873

Conference -Talk
Wulff, A. , Zacher, K. , Wiencke, C. and Hanelt, D. (2004)
Short-term effects of ultraviolet radiation on Antarctic benthic diatoms ,
SCAR Open Science Conference, Antarctica and the Southern Ocean in the Global System, 25-31 Jul 2004, Bremen, Germany. .
hdl:10013/epic.23261

Article
Brüdern, U. , Linke, A. , Zacher, K. , Weidemann, U. and Kunst, S. (2002)
Eignung und Bedeutung von Makrophyten für abwasserbelastete Gewässer ,
DGL,Tagungsband 2 .
hdl:10013/epic.23257

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