Kuriyama K, Gründling-Pfaff S, Diehl N, Woelfel J, Karsten U (2021); Microphytobenthic primary production on exposed coastal sandy sediments of the Southern Baltic Sea using ex-situ sediment cores and oxygen optodes. Oceanologia 63, doi:10.1016/j.oceano.2021.02.002

Advances in Polar Ecology 2 (Eds: Hop, H. & Wiencke, C.), In: Advances in Polar Ecology 2 (Eds: Hop, H. & Wiencke, C.), Springer Nature Switzerland, 331-371. doi.org/10.1007/978-3-319-46425-1_9

Karsten U, Schaub I, Woelfel J, Sevilgen DS, Schlie C, Becker B, Wulff A, Graeve M, Wagner H (2019); Living on cold substrata – new insights and approaches to study microphytobenthos ecophysiology and ecology in Kongsfjorden. In: Advances in Polar Ecology (Eds: Hop, H & Wiencke, C), Springer Nature Switzerland, 303-330. doi.org/10.1007/978-3-319-46425-1_8

Radtke H, Lipka M, Bunke D, Morys C, Woelfel J, Rehder G, Cahill B, Böttcher ME, Forster S, Leipe T, Neumann T (2019); Ecological ReGional Ocean Model with vertically resolved sediments (ERGOM SED 1.0): Coupling benthic and pelagic biogeochemistry of the south-western Baltic Sea, Geoscientific Model Development 12(1):275-320. doi: 10.5194/gmd-12-275-2019

Gogina M, Lipka M, Woelfel J, Liu B, Morys C, Böttcher ME, Zettler ML (2018); In search of a field-based relationship between benthic macrofauna and biogeochemistry in a modern brackish coastal sea. Front. Mar. Sci. 5:489. doi: 10.3389/fmars.2018.00489

Lipka M, Woelfel J, Gogina M, Kallmeyer J, Liu B, Morys C, Forster S, Böttcher ME (2018); Solute reservoirs reflect variability of early diagenetic processes in temperate brackish surface sediments. Front. Mar. Sci. 5:413. doi: 10.3389/fmars.2018.00413

Woelfel J, Schoknecht A, Schumann R, Karsten U (2014); Growth and photosynthesis characteristics of three benthic diatoms from the brackish Southern Baltic Sea in relation to varying environmental conditions, Phycologia 53 (6), 639–651

Woelfel J, Eggert A, Karsten U (2014); Marginal impacts of rising temperature on Arctic benthic microalgae production based on in situ measurements and modelled estimates. Marine Ecology Progress Series 501: 25-40

Karsten U, Schlie C, Woelfel J, Becker B (2012); Benthic diatoms in Arctic waters – ecological functions and adaptations. Polarforschung 81, 77-84

Woelfel J, Schumann R, Leopold P, Wiencke C, Karsten U (2011); Microphytobenthos standing stock along gradients of physical conditions in Arctic Kongsfjorden, Svalbard. In: Biology of Polar Benthic Algae (Ed.: Wiencke, C), Walter de Gruyter, Berlin, 163-179

Schlie C, Woelfel J, Rüdiger F, Schumann R, Karsten U (2011); Ecophysiological performance of benthic diatoms from Arctic waters. In: COLE - Cellular Origins, Life in Extreme Habitats and Astrobiology (Eds.: Seckbach J, Kociolek P), The Diatom World: 425-436

Woelfel J, Schumann R, Kruss A, Peine F, Flohr A, Wiencke C, Karsten U. (2010); Microphytobenthos of Arctic Kongsfjorden (Svalbard, Norway) – Biomass and potential primary production along the shore line. Polar Biology 33: 1239-1253

Woelfel J, Sørensen K, Warkentin M, Forster S, Oren A, Schumann R (2009); Oxygen evolution in a hypersaline crust: photosynthesis quantification by in situ microelectrode profiling and planar optode spots in incubation chambers. Aquatic Microbial Ecology 56: 263-273

Glud R, Woelfel J, Karsten U, Kühl M, Rysgaard S (2009); Review - Benthic microalgal production in the Arctic: Status of the current database. Botanica Marina 52:559-571

Heyl K, Woelfel J, Schumann R, Karsten U (2009); Microbial mats from wind flats of the Southern Baltic Sea. In: “Cellular Origin, Life in Extreme Habitats and Astrobiology -Microbial mats” (Ed.: Seckbach, J.), COLE Series Vol. 14, 301-319

Woelfel J, Schumann R, Leopold P, Wiencke C, Karsten U (2009); Microphytobenthic biomass along gradients of physical conditions in Arctic Kongsfjorden, Svalbard. Botanica Marina 52: 573-583

Woelfel J, Schumann R, Adler S, Hübener T, Karsten U (2007); Diatoms inhabiting a wind flat of the Baltic Sea - species diversity and seasonal succession. Estuarine Coastal and Shelf Science 75: 296-307

CONTRA-Policy brief: Guizani S., Aldag S., Almqvist J., Beldowski J., Chubarenko B., Gajewska M., Gilles A., Hannes M., Hofmann J., Kołecka K., Kotwicki L., Möller T., Sachpazidou V., Schubert H., Viik K., Woelfel J. (2021); Towards sustainable solutions for beach wrack use and recycling., Køge, 4 pp., https://www.beachwrack-contra.eu/wp-content/uploads/2021/05/CONTRA-Factsheet-WEB.pdf

Chubarenko, B., Schubert, H., Woelfel, J. (Eds.) (2021); Case studies for innovative solutions of beach wrack use: Report of the Interreg Project CONTRA, Rostock, 81 pp., https://www.beachwrack-contra.eu/wp-content/uploads/2021/05/CONTRA-Output05-WEB.pdf

Möller, T., Woelfel, J., Beldowski, J., Busk, T., Chubarenko, B., Gorbunova, J., Hogland, W., Kotwicki, L., Martin, G., Quintana, C.O., Sachpazidou, V., Schmieder, F., Schubert, H., Schätzle, P.-K., Taevere, T., Torn, K. (2021): Ecological aspects of sustainable beach wrack management, Tallin, 57 pp. https://www.beachwrack-contra.eu/publications/ (korrekter Link kommt noch)

Lipka M, Woelfel J, Gogina M, Liu B, Böttcher ME (2018); Spatiotemporal dynamics in solute reservoirs of temperate brackish surface sediments. In: Jahresbericht 2017, Leibniz Institut für Ostseeforschung Warnemünde (IOW) Publisher: Leibniz IOW, 31-33

Woelfel J & Karsten U (2008) „Eiskalt erwischt – Leben und Lebensleistung von Mikroalgen in der Arktis“, Traditio et Innovatio- Forschungsmagazin der Universität Rostock Thema „Maritime Systeme“ Heft 2: 4-6

Woelfel J & Karsten U (2004); Seasonal succession in the photoautotrophic layer in microbial mats of a wind flat of the Southern Baltic Sea. Rostocker Meeresbiologische Beiträge (RMB) 13: 269-275

Witte K, Wölfel J, Karsten U (2004); The occurrence of microbial mats along the coast of the German Baltic Sea and seasonal succession in microbial mats at the wind flat „Großer Werder”. RMB 12: 61-70

Woelfel J (2021); Baltic beach wrack - conversion of a nuisance to a resource and asset; EU-CONEXUS “Smart Urban Coastal Sustainability Days”, La Rochelle Université, Frankreich, 09.04.21, online

Wölfel J (2020); Das EU-Projekt CONTRA - Umwandlung von einer Belästigung in eine Ressource; GoCoase-Workshop "Verwendung von Treibsel im Küstenschutz", Warnemünde, 19.11.20, online

Woelfel J (2020); Beach wrack use – a challenge to be addressed; ECOtech-Konferenz Kalmar, Schweden 23.11.20, online

Woelfel J (2020);CONTRA - Baltic Beach Wrack - COnversion of a Nuisance To a Resource and Asset; 4. CoastalBiogas-Conference, 30.09.2020, online

Wölfel J(2019); Das EU-Projekt CONTRA - Netzwerken in Mecklenburg-Vorpommern; Norddeutsches Treibselsymposium, 21.10.19, Travemünde

Woelfel J (2018); WaBOb- Warnemuende Benthic Observation Chamber - Lander of opportunity. IOW Forum “Innovative Instrumentation”, 5.03.2018, Warnemünde (Germany) (talk)

Woelfel J, Rehder G (2017); Spatiotemporal variability of O2 consumption and nutrient release in sediment water interfaces, Southern Baltic Sea. Status seminar SECOS Synthesis, 11.7.2017, Warnemünde (Germany) (talk)

Woelfel J, Lipka M, Rehder G (2016); Benthic gas dynamics in different sediment water interfaces. Status seminar SECOS, 19.02.2016, Warnemünde (Germany) (poster)

Woelfel J, Lipka M, Rehder G (2015); Seasonal benthic gas and nutrient dynamics at different sediment water interfaces, Western Baltic Sea; 10. Baltic Sea Congress, 15.06.-19.06.2015, Riga (Lithuania) (talk)

Woelfel J (2012); Primary production of the Arctic microphytobenthos; invited by Prof. Dr. M. Schagerl, at Dept. of Limnology at the University of Vienna, 13.5.2012, Vienna (Austria) (talk)

Woelfel J, Karsten U (2012); Arctic microphytobenthos primary production in Kongsfjorden (Svalbard) could gain from global warming - in situ measurements and modelled changes; conference of the German phycologists section, 26.02.-29.02.2012, Wuppertal (Germany) (talk)

Woelfel J, Wannicke N, Thomas Hübener, Karsten U (2011); Growth and primary production of a non-axenic benthic diatom from the Baltic Sea under different CO₂ concentrations; BIOACIDmeeting III, 26.09.-18.09.2011, Bremen (Germany) (talk)

Woelfel J, Schumann R, Wiencke C, Karsten U (2011); Primary production of benthic microalgae in an Arctic fjord (Kongsfjorden, Svalbard); ASLO-American Society of Limnology and Oceanography Meeting 13.02.-18.02.2011, Puerto Rico (USA) (talk)

Woelfel J, Wannicke N, Hübener T, Karsten U (2011); Effects of different CO₂ concentrations on microphytobenthic function (Southern Baltic Sea). International Symposium “Trophic significance of microbial biofilms in tidal flats”, 6.06.-10.06.11, La Rochelle (France) (poster)

Woelfel J, Karsten U (2010); Tiny cells but high ecological potential - Productivity of benthic diatoms in Arctic waters. NSF-supported international graduate training course in Antarctic biology, 5.01.-1.02.10, Mc Murdo Sound (Antarktis) (talk)

Woelfel J, Schumann R, Wiencke C, Karsten U (2009); Tiny cells but high ecological potential - productivity of benthic microalgae in the Arctic Kongsfjorden (Svalbard). Young scientist PhD workshop and Arctic Frontiers Conference, 18.01.-28.01.09, Tromsø (Norway) (poster)

Woelfel J, Karsten U (2008); Busy as a bee: Productivity of diatoms in Arctic waters. Seminar of the scientists, 24.06.08, Ny Ålesund (Svalbard-Norway) (talk)

Woelfel J, Schumann R, Wiencke C, Karsten U (2008); Microphytobenthos of the Arctic Kongsfjorden (Svalbard, Norway): Ecophysiology and in situ net photosynthesis quantification by benthic chambers. 8. GAP-workshop (Group for Aquatic Primary Productivity) "Gross and net primary production: Closing the gap between concepts and measurements", 30.03.-8.04.08, Eilat (Israel) (poster)

Woelfel J, Görs S, Schumann R, Rickler M, Leopold P, Wiencke C, Karsten U (2007); Biomass and ecophysiology of benthic diatoms in the Arctic Kongsfjord, Spitsbergen. 1st Central European Diatom Meeting, 23.03.-25.03.07, Berlin (Germany) (talk)

Woelfel J, Schumann R, Adler S, Karsten U (2007); Benthic diatoms in microbial mats of the wind flat at Darss-Zingst-peninsula. Baltic Sea. Baltic Sea Science Congress, 19.03.-22.03.07, Rostock (Germany) (poster)

Woelfel J, Schumann R, Wiencke C, Karsten U (2007); Microphytobenthos of the Arctic Kongsfjord (Svalbard): Ecophysiology and net photosynthesis in situ quantification by benthic chambers. Conference of the German Botanical Society, 3.09.-7.09.07, Hamburg (Germany) (poster)

Wölfel J, Rickler M, Schumann R, Wiencke C, Karsten U (2006); Biomasse und Ökophysiologie des Mikrophytobenthos im arktischen Kongsfjord, Spitzbergen. 11. Scientific conference of the Phycology Section of the German Botanical Society, 28.08.-31.08.06, Helgoland (Germany) (talk)

Wölfel J, Adler S, Karsten U (2005); Benthische Diatomeen in mikrobiellen Matten des Windwattökosystems des Nationalparks „Vorpommersche Boddenlandschaft“. 19. German diatomologist conference with international participation, 10.03.-13.03.2005, Dierhagen (Germany) (talk)

Wölfel J, Adler S, Karsten U (2005); Benthic diatoms in microbial mats of the wind flat ecosystem at Darss-Zingst-peninsula, south-western Baltic Sea. Fourth BIOFLOW- Workshop, 5.09.-9.09.05, List/Sylt (Germany) (poster)

Research activities:

• Antarctica 04.01.-01.02.10:PhD-workshop "International graduate training course in Antarctic biology", Mc Murdo Sound; funding through a travel scholarship of the "National Science Foundation”, raised by myself
• Norway 18.01.-29.01.09: International political and scientific congress (Arctic Frontiers) with workshop on the topic "Arctic marine ecosystems in an era of rapid climate change", Tromsø; funding through a travel scholarship of the "Young Scientist Forum", raised by myself
• Arctic 01.06.-04.07.08: Organisation and participation in a 3rd Spitsbergen expedition to Ny Ålesund (Spitsbergen, Norway); funding through a travel scholarship of the "ARCFAC V - European Center for Arctic Environmental Research", raised by myself
• Israel 30.03.-08.04.08: 8th Workshop of the Group for Aquatic Primary Productivity "Gross and net primary production: Closing the gap between concepts and measurements", Eilat; Financed by a travel scholarship of the FAZIT Foundation, raised by myself
• Sweden 08.10.-18.10.07: Experiment planning with project cooperation partner Angela Wulff (University of Gothenburg); financing via DAAD
• Arctic 04.06.-31.08.07: Organisation and participation in a 2nd Spitsbergen expedition to Ny Ålesund (Spitsbergen, Norway); financing via project funds
• Arctic 19.06.-10.08.06: Organisation of the 1st Spitsbergen expedition to Ny Ålesund (Spitsbergen, Norway); financing via project funds

Research cruises during SECOS I & II (“The service of sediments in German coastal seas”):

2014 - 3 cruises: AL 434: 27.03.-9.04.14 (FS „Alkor“), EMB 076: 20.06.-1.07.14 (FS „Elisabeth Mann Borgese“, half of the cruise chief scientist), POS 475: 26.09.-12.10.14 (FS „Poseidon“)

2015 - 5 cruises: EMB 093: 12.01.-22.01.15 (chief scientist), EMB 100: 9.04.-23.04.15, EMB 105: 24.06.-28.06.15, POS 487: 31.07.-13.08.15, EMB 111: 25.08.-07.09.15

2018 - 1 cruise:  EMB 180: 06.04-14.04.18

01/10-02/10: Workshop scholarship in Antarctica of the National Science Foundation (USA)

01/09: Workshop scholarship Arctic Frontiers of the Young Scientist Forum (Norway)

06/08-07/08: Expedition Fellowship of the ARCVAC V - European Center for Arctic Environmental    Research (Norway)

04/09: Workshop scholarship in Israel of the FAZIT Foundation (Germany)

04/09: Special Science Award of the "Rostocker Kreis" for the Diploma Thesis

Since 2005: member of the section Phycology in the German Botanical Society

Since 1992: member of BUND e.V., Association for the Environment and Nature Conservation Germany