Items where Author is "Roleda, Michael"

Article

Roleda, M. , Lüder, U. and Wiencke, C. (2010)
UV-susceptibility of zoospores of the brown macroalga Laminaria digitata from Spitsbergen ,

Polar Biology, 33 (5), pp. 577-588 .

doi:10.1007/s00300-009-0733-z , hdl:10013/epic.34791

Article

Gómez, I. , Wulff, A. , Roleda, M. , Huovinen, P. , Karsten, U. , Quartino, M. L. , Dunton, K. and Wiencke, C. (2009)
Light and temperature demands of marine benthic microalgae and seaweeds in polar regions ,

Botanica Marina 52(6), pp. 593-608 .

doi:10.1515/BOT.2009.073 , hdl:10013/epic.33686

Article

Karsten, U. , Wulff, A. , Roleda, M. , Müller, R. , Steinhoff, F. , Fredersdorf, J. and Wiencke, C. (2009)
Physiological responses of polar benthic algae to ultraviolet radiation ,

Botanica Marina 52(6), pp. 639-654 .

doi:10.1515/BOT.2009.077 , hdl:10013/epic.33689

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

Hanelt, D. and Roleda, M. (2009)
UV-B radiation may ameliorate photoinhibition in specific shallow-water tropical marine macrophytes ,

Aquatic Botany, 91 , pp. 6-12 .

doi:10.1016/j.aquabot.2008.12.005 , hdl:10013/epic.32786

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

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

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

Article

Roleda, M. , Dethleff, D. and Wiencke, C. (2008)
Transient sediment load on blades of Arctic Saccharina latissima can mitigate UV radiation effect on photosynthesis ,

Polar Biology, 31 (6), pp. 765-769 .

doi:10.1007/s00300-008-0434-z , hdl:10013/epic.30401

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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

Article

Bartsch, I.

, Wiencke, C. , Bischof, K. , Buchholz, C.

, Buck, B. H.

, Eggert, A. , Feuerpfeil, P. , Hanelt, D. , Jacobsen, S. , Karez, R. , Karsten, U. , Molis, M.

, Roleda, M. , Schumann, R. , Schubert, H. , Valentin, K. U. , Weinberger, F. and Wiese, J. (2008)
The genus Laminaria sensu lato: recent insights and developments ,

European Journal of Phycology, 43 (1), pp. 1-86 .

doi:10.1080/09670260701711376 , hdl:10013/epic.30046

Article

Wiencke, C. , Lüder, U. and Roleda, M. (2007)
Impact of ultraviolet radiation on physiology and development of zoospores of the brown alga Alaria esculenta from Spitzbergen ,

Physiologia Plantarum. .

doi:10.1111/j.1399-3054.2007.00923.x , hdl:10013/epic.26794

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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

Article

Roleda, M. , Hanelt, D. and Wiencke, C. (2006)
Growth and DNA damage in young Laminaria sporophytes exposed to ultraviolet radiation: implication for depth zonation of kelps on Helgoland (North Sea) ,

Marine biology, 148 (6), pp. 1201-1211 .

doi:10.1007/s00227-005-0169-0 , hdl:10013/epic.23056

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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

Article

Roleda, M. , Clayton, M. N. and Wiencke, C. (2006)
Screening capacity of UV-absorbing compounds in spores of Arctic Laminariales ,

Journal of experimental marine biology and ecology, 338 (1), pp. 123-133 .

doi:10.1016/j.jembe.2006.07.004 , hdl:10013/epic.24472

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Article

Wiencke, C. , Roleda, M. , Gruber, A. , Clayton, M. N. and Bischof, K. (2006)
Susceptibility of zoospores to UV radiation determines upper depth distribution limit of Arctic kelps: evidence through field experiments ,

Journal of ecology, 94 (2), pp. 455-463 .

doi:10.1111/j.1365-2745.2006.01102.x , hdl:10013/epic.23347

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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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Article

Roleda, M. , Hanelt, D. and Wiencke, C. (2005)
Growth kinetics related to physiological parameters in young Saccorhiza dermatodea and Alaria esculenta sporophytes exposed to UV radiation ,

Polar biology, 28 (7), pp. 539-549 .

doi:10.1007/s00300-004-0713-2 , hdl:10013/epic.21787

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Article

Roleda, M. , Wiencke, C. , Hanelt, D. , van de Poll, W. H. and Gruber, A. (2005)
Sensitivity of Laminariales zoospores from Helgoland (North Sea) to ultraviolet and photosynthetically active radiation: implications for depth distribution and seasonal reproduction ,

Plant cell and environment, 28 (4), pp. 466-479 .

doi:10.1111/j.1365-3040.2005.01288.x , hdl:10013/epic.20851

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Article

Roleda, M. , Hanelt, D. , Kräbs, G. and Wiencke, C. (2004)
Morphology, growth, photosynthesis and pigments in Laminaria ochroleuca (Laminariales, Phaeophyta) under UV radiation ,

Phycologia, 43 (5), pp. 603-613 .

hdl:10013/epic.20240

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Article

Roleda, M. , van de Poll, W. H. , Hanelt, D. and Wiencke, C. (2004)
PAR and UVBR effects on photosynthesis, viability, growth and DNA in different life stages of two coexisting Gigartinales: implications for recruitment and zonation pattern ,

Marine ecology-progress series, 281 , pp. 37-50 .

hdl:10013/epic.20415

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Article

Rollon, R. N. , Samson, M. S. , Roleda, M. , Araño, K. G. , Vergara, M. W. B. and Licuanan, W. Y. (2003)
Estimating Biomass from the Cover of Gelidiella acerosa along the Coasts of Eastern Philippines ,

Botanica Marina, 46 , pp. 497-502 .

doi:10.1515/BOT.2003.051 , hdl:10013/epic.20244

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Article

Rollon, R. N. , Cayabyab, N. M. , Roleda, M. , Ragos, C. C. , Nacorda, H. M. E. and Fortes, M. D. (2003)
Vegetative Dynamics and Sexual Reproductive Effort of Thalassia hemprichii and Cymodocea rotundata along the Coasts of Eastern Philippines ,

Gulf of Mexico Science, 21 , pp. 129-130 .

hdl:10013/epic.21815

Article

Roleda, M. , Yebes, R. G. and Dolor, R. B. M. (2000)
Spatial variation of macrobenthic algae in the intertidal flat of Talin Point, Batangas ,

Philippine Scientist, 37 , pp. 51-65 .

hdl:10013/epic.21816

Article

Roleda, M. , Montaño, N. E. , Ganzon-Fortes, E. T. and Villanueva, R. D. (1997)
Acetic Acid Pretreatment in Agar Extraction of Philippine Gelidiella acerosa (Forsskaal) Feldmann et Hamel (Rhodophyta, Gelidiales) ,

Botanica Marina, 40 , pp. 63-69 .

hdl:10013/epic.20245

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Article

Roleda, M. , Ganzon-Fortes, E. T. and Montaño, N. E. (1997)
Agar from Vegetative and Tetrasporic Gelidiella acerosa (Gelidiales, Rhodophyta) ,

Botanica Marina, 40 , pp. 501-506 .

hdl:10013/epic.20247

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Article

Roleda, M. , Ganzon-Fortes, E. T. , Montaño, N. E. and de los Reyes, F. N. (1997)
Temporal Variation in the Biomass, Quantity and Quality of Agar from Gelidiella acerosa (Forsskål) Feldmann et Hamel (Rhodophyta: Gelidiales) from Cape Bolinao, NW Philippines ,

Botanica Marina, 40 , pp. 487-495 .

hdl:10013/epic.20246

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Inbook

Gómez, I. , Wulff, A. , Roleda, M. , Huovinen, P. , Karsten, U. , Quartino, M. L. , Dunton, K. and Wiencke, C. (2010)
Light and temperature demands of marine benthic microalgae and seaweeds in polar regions ,

Biology of polar benthic algae / Christian Wiencke (ed.) Berlin : de Gruyter, ISBN: 978-3-11-022970-7 .

hdl:10013/epic.36652

Inbook

Karsten, U. , Wulff, A. , Roleda, M. , Müller, R. , Steinhoff, F. , Fredersdorf, J. and Wiencke, C. (2010)
Physiological responses of polar benthic algae to ultraviolet radiation ,

Biology of polar benthic algae / Christian Wiencke (ed.) Berlin : de Gruyter, ISBN: 978-3-11-022970-7 .

hdl:10013/epic.36476

Thesis -PhD

Roleda, M. (2006)
Effects of ultraviolet radiation on early life stages of cold temperate and Arctic macroalgae: Implications for recruitment and vertical depth distribution ,

PhD thesis, Universität Bremen.

hdl:10013/epic.24865

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Conference -Talk

Liesner, D.

, Fouqueau, L. , Valero, M. , Roleda, M. , Pearson, G. A. , Bischof, K. , Valentin, K. U.

and Bartsch, I.

(2020)
Local differentiation in heat response of Laminaria digitata at the range edges ,

68th British Phycological Society Meeting, Plymouth, UK, 6 January 2020 - 9 January 2020 .

hdl:10013/epic.74af27d8-c766-46db-b868-3d9d0c35a959

[thumbnail of 20200106_Liesner_BPS_final.pdf]

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Conference -Talk

Roleda, M. , Stecher, A. , Gutow, L.

, Bartsch, I.

and Wiencke, C. (2010)
Differential effects of increased CO2 concentration and acidification on photosynthesis and growth of green and brown macroalgae ,

58th Meeting of the British Phycological Society. Scottish Association for Marine Science (SAMS). Oban, Scotland. 6-8th January 2010.. .

hdl:10013/epic.34012

Conference -Poster

Bartsch, I.

, Gutow, L.

, Olischläger, M. , Rahmann, M. M. , Roleda, M. , Sarker, Y. , Saborowski, R.

, Wiencke, C. , Asmus, R.

, Asmus, D. and Hanelt, D. (2010)
Ocean acidification effects on growth, photosynthesis and trophic status of seaweeds ,

Joint EPOCA, BIOACID and UKOARP meeting, BremerhavenSeptember 1 October 2010. .

hdl:10013/epic.36069

Conference -Conference paper

Huovinen, P. , Gómez, I. , Roleda, M. and Wiencke, C. (2009)
Tolerancia de algas pardas del Arctico a la radiación UV bajo diferentes temperaturas ,

13th Latin American Congress on Marin Sciences in Havana, Cuba.-30. October 2009. .

hdl:10013/epic.33704

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

Conference -Invited talk

Roleda, M. (2008)
Biological thresholds and resilience of macroalgae in response to climate change ,

Lecture on-board MS Aleksey Maryshev, WWF Program "Voyage for the Future", Longyearbyen, SvalbardJune 2008. .

hdl:10013/epic.30679

Conference -Poster

Mohlin, M. , Pattanaik, B. , Roleda, M. and Wulff, A. (2008)
Diazotrophic cyanobacteria from the Baltic Sea are not affected by the interaction of UV radiation and nutrient limitation ,

2008 Ocean Sciences Meeting, 2-7 March 2008, Orlando, Florida. .

hdl:10013/epic.30220

Conference -Talk

Roleda, M. , Mohlin, M. , Pattanaik, B. and Wulff, A. (2008)
Interactive irradiance and nutrient effects on the photosynthesis of Nodularia spumigena ,

2008 Ocean Sciences Meeting, 2-7 March 2008, Orlando, Florida. .

hdl:10013/epic.30219

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

Conference -Invited talk

Wiencke, C. , Roleda, M. and Lüder, U. (2007)
Impact of UV-radiation on physiology and development of spores of Saccorhiza dermatodea, Alaria esculenta and Laminaria digitata from Spitsbergen ,

Fourth European Phycological Congress 2007, Oviedo, Spain .

hdl:10013/epic.27780

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

Conference -Talk

Roleda, M. (2006)
Effects of ultraviolet radiation on the early life stages of Helgolandic and arctic macroalgae: Implications for recruitment and vertical depth distribution ,

CO-Symposium MARCOPOLI-Program der Helmholz-Gemeinschaft Deutscher Forschungszentren e. V. am 16. und 17. Februar 2006 im Hörsaal B des Fachbereiches Chemie der Universität Hamburg. .

hdl:10013/epic.24866

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

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 -Talk

Roleda, M. , Wiencke, C. , Hanelt, D. and Bischof, K. (2006)
Sensitivity of the early life stages of macroalgae to ultraviolet radiation ,

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.25535

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

Conference -Talk

Wiencke, C. , Roleda, M. , Gruber, A. and Clayton, M. N. (2005)
Felduntersuchungen zur UV-Empfindlichkeit von Zoosporen dreier Brauntange von Spitzbergen ,

10. Wissenschaftliche Tagung der Sektion Phykologie in der Deutschen Botanischen Gesellschaft.-6. April in Königswinter .

hdl:10013/epic.22860

Conference -Talk

Wiencke, C. , Roleda, M. and Clayton, M. N. (2005)
Field studies on the impact of UV radiation on spore germination in three species of Laminariales from the Arctic ,

8th International Phycological Congress, 13-19 August 2005, Durban, South Africa (Phycologia 44(4)Suppl:110). .

hdl:10013/epic.23740

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. , Wiencke, C. , Lüder, U. and Hanelt, D. (2005)
Response of Arctic kelp zoospores to ultraviolet and photosynthetically active radiation in relation to growth depth ,

8th International Phycological Congress, 13-19 August 2005, Durban, South Africa (Phycologia 44(4)Suppl:87). .

hdl:10013/epic.23725

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

Roleda, M. , Wiencke, C. and Hanelt, D. (2005)
Thallus morphology and optics affects sensitivity of growth and DNA to ultraviolet radiation in young Arctic Laminaria sporophytes ,

10. wissenschaftliche Tagung der Sektion Phykologie in der Deutschen Botanischen Gesellschaft, 3.-6. April 2005, Königswinter, Deutschland. .

hdl:10013/epic.22851

Conference -Talk

Clayton, M. N. , Wiencke, C. , Schoenwaelder, M. E. A. , Roleda, M. and Lüder, U. (2005)
UV-screening compounds in spores of Arctic Laminariales ,

8th International Phycological Congress, 13-19 August 2005, Durban, South Africa (Phycologia 44(4)Suppl:21-22). .

hdl:10013/epic.23739

Conference -Talk

Roleda, M. , van de Poll, W. H. , Hanelt, D. and Wiencke, C. (2004)
PAR and UVBR effects on photosynthesis, viability, growth and DNA in different life stages of Mastocarpus stellatus and Chondrus crispus ,

Tagung der Deutschen Botanischen Gesellschaft, 5.-10. Sept. 2004, Braunschweig, Deutschland. .

hdl:10013/epic.21765

Conference -Talk

Gruber, A. , Roleda, M. , Wiencke, C. , Bartsch, I.

and Hanelt, D. (2004)
UV-protective function of the sporogenic tissue in Laminaria digitata ,

Tagung der Deutschen Botanischen Gesellschaft, 5.-10. Sept. 2004, Braunschweig, Deutschland. .

hdl:10013/epic.21764

Conference -Poster

Roleda, M. , Hanelt, D. and Wiencke, C. (2003)
Effects of UV-radiation on photosynthesis, growth and recruitment in marine macroalgae ,

IV. Doktorandinnentag, Juni 2003, Sylt. .

hdl:10013/epic.25219

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Conference -Poster

Roleda, M. , Hanelt, D. and Wiencke, C. (2003)
Effects of UV-radiation on photosynthesis, growth and recruitment in marine macroalgae ,

Poster zum Forschungsseminar 2003 im Fachbereich Biologie am 30. und 31. Oktober im Zoologischen Institut Martin Luther King-Platz 3Hamburg. .

hdl:10013/epic.25243

"Berichte zur Polar- und Meeresforschung" PhD

Roleda, M. (2006)
Effects of ultraviolet radiation on early life stages of cold temperate and Arctic macroalgae : implications for recruitment and vertical depth distribution = Effekte von UV-Strahlung auf frühe Lebensstadien kaltgemäßigter und arktischer Makroalgen : Auswirkungen auf Rekrutierung und Vertikalverteilung ,

Berichte zur Polar- und Meeresforschung (Reports on Polar and Marine Research), Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 526 , 158 p. .

doi:10.2312/BzPM_0526_2006 , hdl:10013/epic.10531

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