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Institute of

OF Baltic Sea Fisheries

Dr. Daniel Stepputtis

Institute of Baltic Sea Fisheries

Alter Hafen Süd 2
18069 Rostock
Telephone
+49 381 66099 136
Fax
+49 381 66099 199
Email
daniel.stepputtis@thuenen.de

Tasks

         - 2009-2012: FRV „Clupea“
         - since 2012: newbuilt of FRV „Walther Herwig III“

  • Member of working groups of the International Council for the Exploration of the Sea (ICES)

          - ICES/FAO WGFTFB (Chair 2020-2022)
          - ICES WGELECTRA
          - ICES WGMLEARN

  • Member of the following bodies

- since 2021: Scientific Advisory Board of the Forschungsstiftung Ostsee
- since 2020: German delegation to International Whaling Commission (IWC)

Research interests

Fisheries technology

     - Reduction of unwanted bycatch
     - Minimizing negative effects on the marine environment
     - Reduction of energy consumption

Survey technology

     - OpenSMB (scientific length measurement board)
     - Underwater cameras (IR-Camera)
     - Image recognition
     - Autonomous Sensorsystems

Others

  • Fishery management and alternative management approaches
  • Marine data
  • Networking in German marine science
  • Documentation of scientific work (photo and video)

Projects (Third-party funds)

2020-2028: SFI Biodegradable plastics for use in fisheries (funded by: The Norwegian Research Council), contributor

2020-2021: PEARLNET_OP (PEarls made from Acrylic glass could Reduce bycatch in gilLNETs – Observation of Porpoises) – Using acoustically visible gillnets to reduce bycatch of harbor porpoises (funded by: NOAA), contributor

2020-2023: „SimuNet – A tool for fishing gear optimisation“ (funded by: EU, Mecklenburg-Vorpommern), contributor

2019-2020: “CODEX (CodExcluder) – Netzmodifikation zur Reduktion des Dorschbeifanges” (funded by: EU, Mecklenburg-Vorpommern), project leader (.pdf)

2019-2020: „Entwicklung und Erprobung eines Open-Source-Software-Frameworks zur optischen Datenaufnahme und Bilderkennung für den Einsatz in der fischereibiologischen Forschung und Fischerei“ (funded by: EU); project leader

2018-2020: “DropS (Dolly Rope Suspension)” (funded by: EU, Schleswig-Holstein, Niedersachsen); project leader

2016-2020: „STELLA (STELlnetzfischerei-LösungsAnsätze) - Entwicklung von alternativen Managementansätzen und Fangtechniken zur Minimierung der Konflikte zwischen der Stellnetzfischerei und Naturschutzzielen und Schutzgütern in der deutschen AWZ der Ostsee (funded by: BfN); project leader sub-project „fishing technology“

2012-2016: „BioC3 - Biodiversity changes - causes, consequences and management implications” (funded by: EU and national funding agencies), contributor (pdf)

2013-2015: „CRANNET - Optimierte Netz-Steerte für eine ökologisch und ökonomisch nachhaltige Garnelenfischerei in der Nordsee“ (funded by: EU, Schleswig-Holstein, Niedersachsen); project leader sub-project „selectivity research“ (pdf)

2012-2015: „FISH’EM - Elektronisches Monitoring als Grundlage für ein Catch Quota Management (CQM)“ (funded by: BLE); contributor

2012-2014: “Mare Lot1 - Collaboration between the scientific community and the fishing sector to minimize discards in the Baltic cod fisheries” (funded by: EU); project leader sub-project Germany (pdf)

2011-2014: „Ökologische und ökonomische Untersuchungen zum Nutzen einer elektrischen Baumkurre in der deutschen Garnelenfischerei; Ecological and economical investigations regarding the use of pulse-beamtrawl in the German Crangon-fishery“ (funded by: EU and Schleswig-Holstein); project leader (pdf)

2010: “EU-Turkey Twinning project TR07-AG-01 - Introduction of Stock Assessment to the Fisheries Management System of Turkey - TIFSA –“ (funded by: EU); scientific expert (pdf)

2007-2008: “European Data Collection Framework (DCF)” (funded by: EU); scientist, responsible for German commercial sampling in the Baltic

2007-2008: “HISBASS - HIStorical Acoustic Baltic Spring Survey - recovery of historic echodata from the mid-1980ies” (funded by: EUROCEANS); co-project leader (pdf)

2007-2009: “JOIFISH - Joint data collection between the fishing sector and the scientific community in the Baltic Sea: JOIFISH” (funded by: EU ; EU call for tender FISH/2006/15, Lot8); project leader (pdf)

2006: “GLOBEC-Germany II - Trophic interaction between zooplankton and fish under the influence of physical processes“ (funded by: BMBF); scientist

2004-2006: „BECAUSE - Critical interactions between species and their implications for a precautionary approach to fisheries management in a variable environment – a modelling approach“ (funded by: EU); scientist

2002-2005: „GLOBEC-Germany I - Trophische Wechselwirkungen zwischen Zooplankton und Fischen unter dem Einfluß physikalischer Prozesse.“ „Trophic interaction between zooplankton and fish under the influence of physical processes“ (funded by: BMBF); scientist (Phd-student)

2001: „STORE - Environmental and fisheries influences on fish stock recruitment in the Baltic Sea” (funded by: EU); scientist (hydroacoustic work)

2001: „LIFECO - Linking hydrographic frontal activity to ecosystem dynamics in the North Sea and Skagerrak: Importance to fish stock recruitment” (funded by: EU); scientist (hydroacoustic work)

Scientific career

Since 04/2009: Head of Fisheries and Survey technology working group at Thünen Institute of Baltic Sea Fisheries

Since 05/2007: Scientist at the Thünen Institute of Baltic Sea Fisheries (until 2007 Bundesforschungsanstalt für Fischerei, since 2008 Thünen Institute) with different tasks: project scientist, project leader, responsible for German commercial sampling in the Baltic within DCF, participation in student courses at the University of Rostock, reviewer for scientific journal and funding agencies.

03/2007: Lecturer at the University of Vudal (PNG) and the National Fisheries College in Kavieng (PNG) on behalf of the Leibniz Centre for Tropical Marine Research (ZMT) (project funded by GTZ)

2002-2007: Research scientist at GEOMAR Kiel (2002 - 2006 as Phd-student)

2006: Dissertation (Dr. rer. nat) at Kiel University (topic: distribution of sprat and herring in the Baltic Sea) 

2002: Diploma (Dipl.-Biol.) at Kiel University

1998-2002: Academic studies at Kiel University (topics: fishery biology, zoology, oceanography, informatics); research cruises (Baltic Sea, North Sea, Atlantic)

1995-1998: Academic studies at Leipzig University

Publications (peer reviewed)

Daniel Stepputtis@ORCID

Jérôme Chladek, Daniel Stepputtis, Andreas Hermann, Isablle M.F. Kratzer, Peter Ljungberg, Paco Rodriguez-Tress, Juan Santos, Jon Christian Svendsen (2021) Using an innovative net-pen-based observation method to assess and compare fish pot-entrance catch efficiency for Atlantic cod (Gadus morhua). Fisheries Research 236. 27 pp., https://doi.org/10.1016/j.fishres.2020.105851

Juan Santos, Bent Herrmann, Daniel Stepputtis, Sarah B M Kraak, Gökhan Gökçe, Bernd Mieske (2020) Quantifying the performance of selective devices by combining analysis of catch data and fish behaviour observations: methodology and case study on a flatfish excluder. ICES Journal of Marine Science 77(7-8): 2840-2856, https://doi.org/10.1093/icesjms/fsaa155 

Andreas Hermann, Jérôme Chladek, Daniel Stepputtis (2020) iFO (infrared Fish Observation) – An open source low-cost infrared underwater video system. HardwareX 8, https://doi.org/10.1016/j.ohx.2020.e00149 (open access) 

Jérôme Chladek, Daniel Stepputtis, Andreas Hermann, Peter Ljungberg, Paco Rodriguez-Tress, Juan Santos, Jon Christian Svendsen (2020) Development and testing of fish-retention devices for pots: transparent triggers significantly increase catch efficiency for Atlantic cod (Gadus morhua). ICES Journal of Marine Science https://doi.org/10.1093/icesjms/fsaa214 

Claudia Günther, Axel Temming, Juan Santos, Jörg Berkenhagen, Daniel Stepputtis, Sebastian Schultz, Thomas Neudecker, Gerd Kraus, Eckehard Bethke, Marc Hufnagl (2021) Small steps high leaps: Bio-economical effects of changing codend mesh size in the North Sea Brown shrimp fishery. Fisheries Res 234:105797, https://doi.org/10.1016/j.fishres.2020.105797 

Isabella M. F. Kratzer, Ingo Schäfer, Arne Stoltenberg, Jérôme C. Chladek, Lotte Kindt-Larsen, Finn Larsen, Daniel Stepputtis (2020) Determination of Optimal Acoustic Passive Reflectors to Reduce Bycatch of Odontocetes in Gillnets. Frontiers in Marine Science 7: Article 539, https://doi.org/10.3389/fmars.2020.00539

Sven Stötera, Aisha K Degen-Smyrek, Uwe Krumme, Daniel Stepputtis, Robert Bauer, Bente Limmer, Cornelius Hammer (2019) Marking otoliths of Baltic cod (Gadus morhua Linnaeus, 1758) with tetracycline and strontium chloride. J Appl Ichthyol 35(2):427-435, http://doi.org/10.1111/jai.13829

Thomas Noack, Daniel Stepputtis, Niels Madsen, Kai Wieland, Stefanie Haase, Ludvig Ahm Krag (2019) Gear Performance and Catch Process of a Commercial Danish Anchor Seine. Fisheries Research 211 (March): 204–11. https://doi.org/10.1016/j.fishres.2018.11.012http://doi.org/10.17895/ices.pub.5635

Juan Santos, Bent Herrmann, Bernd Mieske, Ludvig A. Krag, Stefanie Haase, Daniel Stepputtis (2018) The efficiency of sieve-panels for bycatch separation in Nephrops trawls. Fish Manag Ecol. 25(69, 464-473 1–10 https://doi.org/10.1111/fme.12323

Juan Santos, Bent Herrmann, Daniel Stepputtis, Claudia Günther, Bente Limmer, Bernd Mieske, Sebastian Schultz, Thomas Neudecker, Axel Temming, Marc Hufnagl, Eckhardt Bethke, Gerd Kraus (2018) Predictive framework for codend size selection of brown shrimp (Crangon crangon) in the North Sea beam-trawl fishery. PLoS One 13(7):e0200464, http://doi.org/10.1371/journal.pone.0200464

Philipp Kanstinger, Jutta Beher, Görres Grenzdörffer, Cornelius Hammer, Klaus B. Huebert, Daniel Stepputtis, Myron A. Peck (2018) What is left? Macrophyte meadows and Atlantic herring (Clupea harengus) spawning sites in the Greifswalder Bodden, Baltic Sea, Estuarine, Coastal and Shelf Science 201, 72-81 http://dx.doi.org/10.1016/j.ecss.2016.03.004

Daniel Stepputtis, Juan Santos, Bent Herrmann, Bernd Mieske (2016) Broadening the horizon of size selectivity in trawl gears. Fisheries Research 184, 18–25 http://dx.doi.org/10.1016/j.fishres.2015.08.030

Juan Santos, Bent Herrmann, Bernd Mieske, Daniel Stepputtis, Uwe Krumme, Hans Nilsson (2015) Reducing flatfish bycatch in roundfisch fisheries. Fisheries Research 184, 64-73 http://dx.doi.org/10.1016/j.fishres.2015.08.025

Bent Hermann, Harald Wienbeck, Daniel Stepputtis, Ludvig Ahm Krag, Jordan Feekings, Waldemar Moderhak (2015) Size selection in codends made of thin-twined Dyneema netting compared to standard codends: A case study with cod, plaice and flounder. Fisheries Research 167: 82-91 http://dx.doi.org/10.1016/j.fishres.2015.01.014

Bent Herrmann, Harald Wienbeck, Junita Diana Karlsen, Daniel Stepputtis, Erdmann Dahm, Waldemar Moderhak (2015) Understanding the release efficiency of Atlantic cod (Gadus morhua) from trawls with a square mesh panel: effects of panel area, panel position, and stimulation of escape response. ICES Journal of Marine Science 72(2): 686-696 http://dx.doi.org/10.1093/icesjms/fsu124

Reinhold Hanel, Daniel Stepputtis, Sylvain Bonhommeau, Martin Castonguay, Matthias Schaber, Klaus Wysujack, Michael Vobach, Michael J Miller (2014) Low larval abundance in the Sargasso Sea: new evidence about reduced recruitment of the Atlantic eels. Naturwissenschaften 101(12): 1041-1054. http://dx.doi.org/10.1007/s00114-014-1243-6

Robert K Bauer, Ulf Gräwe, Daniel Stepputtis, Christopher Zimmermann, Cornelius Hammer (2014) Identifying the location and importance of spawning sites of Western Baltic herring using a particle backtracking model. ICES Journal of Marine Science 71 (3): 499-509 http://dx.doi.org/10.1093/icesjms/fst163

Harald Wienbeck, Bent Herrmann, Jordan P Feekings, Daniel Stepputtis, Waldemar Moderhak (2014) A comparative analysis of legislated and modified Baltic Sea trawl codends for simultaneously improving the size selection of cod (Gadus morhua) and plaice (Pleuronectes platessa). Fisheries Research 150: 28-37 http://dx.doi.org/10.1016/j.fishres.2013.10.007

Christian von Dorrien, Cornelius Hammer, Christopher Zimmermann, Daniel Stepputtis, W Ingo Stuermer, Paul Kotterba, Patrick Polte (2013) A review on herring, Clupea harengus (Actinopterygii: Clupeiformes: Clupeidae) recruitment and early life stage ecology in the western Baltic Sea. Acta Ichthyol. Piscat. 43 (3): 169-182 http://dx.doi.org/10.3750/AIP2013.43.3.01

Matthias Bernreuther, Jörn Schmidt, Daniel Stepputtis, Axel Temming (2013) Vertically resolved prey selectivity and competition of Baltic herring Clupea harengus and sprat Sprattus sprattus. Marine Ecology Progress Series, 489, 177-195 http://dx.doi.org/10.3354/meps10405

Michael J Miller, Daniel Stepputtis

, Sylvain Bonhommeau, Martin Castonguay, Matthhias Schaber, Michael Vobach, Klaus Wysujack, Reinhold Hanel (2013) Comparisons of catches of large leptocephali using an IKMT and a large pelagic trawl in the Sargasso Sea. Marine Biodiversity, 43 (4), 493-501 dx.doi.org/10.1007/s12526-013-0170-7

 

Robert K Bauer, Daniel Stepputtis, Ulf Gräwe, Christopher Zimmermann, Cornelius Hammer (2013) Wind-induced variability in coastal larval retention areas: a case study on Western Baltic spring-spawning herring. Fisheries Oceanography, 22(5), 388-399 http://dx.doi.org/10.1111/fog.12029

Bent Herrmann, Bernd Mieske, Daniel Stepputtis, Ludvig Ahm Krag, Niels Madsen, Thomas Noack (2013) Modelling towing and haul-back escape patterns during the fishing process: a case study for cod, plaice, and flounder in the demersal Baltic Sea cod fishery. ICES Journal of Marine Science 70(4). 850-863 http://dx.doi.org/10.1093/icesjms/fst032

Bent Herrmann, Harald Wienbeck, Waldemar Moderhak, Daniel Stepputtis, Ludvig Ahm Krag (2013) The influence of twine thickness, twine number and netting orientation on codend selectivity. Fisheries Research, 145, 22-36 http://dx.doi.org/10.1016/j.fishres.2013.03.002

Rüdiger Voss, Myron A Peck, Hans-Harald Hinrichsen, Catriona Clemmesen, Hannes Baumann, Daniel Stepputtis, Matthias Bernreuther, Jörn O Schmidt, Axel Temming, F-W Köster (2012) Recruitment processes in Baltic sprat : a re-evaluation of GLOBEC Germany hypotheses. Progress in Oceanography, 107, 61-79 http://dx.doi.org/10.1016/j.pocean.2012.05.003

Daniel Stepputtis, Hans-Harald Hinrichsen, Uwe Böttcher, Eberhard Götze, Volker Mohrholz (2011) An example of meso-scale hydrographic features in the central Baltic Sea and their influence on the distribution and vertical migration of sprat, Sprattus sprattus balticus (Schn.). Fisheries Oceanography, 20 (1), 82-88 http://dx.doi.org/10.1111/j.1365-2419.2010.00567.x

Wolfgang Nikolaus Probst, Ulrich Berth, Daniel Stepputtis, Cornelius Hammer (2011) Catch patterns of the German Baltic Sea trawl fleet targeting demersal species between 2006 and 2009. Acta ichthyologica et piscatoria, 41(4), 315-325 http://dx.doi.org/10.3750/AIP2011.41.4.08

Harald Wienbeck, Bent Herrmann, Waldemar Moderhak, Daniel Stepputtis (2011) Effect of netting direction and number of meshes around on size selection in the codend for Baltic cod (Gadus morhua). Fisheries Research, 109(1), 80-88 http://dx.doi.org/10.1016/j.fishres.2011.01.019

Rüdiger Voss, Hans-Harald Hinrichsen, Daniel Stepputtis, Matthias Bernreuther, Bastian Huwer, Viola Neumann, Jörn O Schmidt (2011) Egg mortality: predation and hydrography in the Central Baltic. ICES Journal of Marine Science, 68 (7), 1379-1390 http://dx.doi.org/10.1093/icesjms/fsr061

Hannes Baumann, Hans-Harald Hinrichsen, Rüdiger Voss, Daniel Stepputtis, Wladimir Grygiel, L W Clausen, Axel Temming (2006) Linking growth- to environmental histories in central Baltic young-of-the-year sprat, Sprattus sprattus: an approach based on otolith microstructure analysis and hydrodynamic modeling. Fisheries Oceanography 15(6), 465-476 http://dx.doi.org/10.1111/j.1365-2419.2005.00395.x

Hans-Harald Hinrichsen, Gerd Kraus, Rüdiger Voss, Daniel Stepputtis, Hannes Baumann (2005) The general distribution pattern and mixing probability of Baltic sprat juvenile populations. Journal of Marine Systems 58, 52-66 http://dx.doi.org/10.1016/j.jmarsys.2005.06.003

Publications (others)

ICES. 2020. ICES Workshop on Innovative Fishing Gear (WKING). ICES Scientific Reports. 2:96. 130 pp. http://doi.org/10.17895/ices.pub.7528(co-author) 

Daniel Stepputtis, Juan Santos, Christopher Zimmermann (2020) Technical approaches to avoid cod catches in Baltic Sea trawl fisheries (Report for Baltic fisheries manager), Thünen Institute of Baltic Sea Fisheries, Rostock, 37 pp. (.pdf) 

Daniel Stepputtis, Juan Santos, Bernd Mieske, Uwe Lichtenstein, Annemarie Schütz, Rainer Stechert (2020) Projekt CODEX (CodExcluder) - Netzmodifkation zur Reduktion des Dorschbeifanges (Abschlußbericht/final report) in German, English summary, Thünen Institute of Baltic Sea Fisheries, Rostock, 99 pp. (.pdf) 

Daniel Stepputtis, Antonello Sala (2020). Ad-hoc Request: Celtic Sea - Improved selectivity measures under Article 13 of the 2020 Atlantic and North Sea Fishing Opportunities - EUCom for STECF 29pp.

Margit Eero, Sofia Carlshamre, Daniel Stepputtis, Uwe Krumme, Federico Maioli, Nuno Prista, Franziska Schade, Juan Santos, Thomas Noack, Daniel Valentinsson, Hans Nilsson, Jordan P. Feekings, Marie Storr-Paulsen, Maris Plikshs, Ulf Bergström, Kirsten Birch Håkansson, Krzysztof Radtke (2019) Report on eastern Baltic cod bycatch in non-targeted fisheries, mixing with western Baltic cod in SD24, and stock situation in SDs 27-32 (Ad hoc). ICES Scientific Reports. 1:76. 72 pp. http://doi.org/10.17895/ices.pub.5635 

Daniel Oesterwind, Burkhard von Dewitz, Ralf Döring, Margit Eero, Leyre Goti, Jonne Kotta, Kristiina Nurske, Henn Ojaveer, Andrea Rau, Henrik Skov, Daniel Stepputtis, Anastasija Zaiko (2016) Review on patterns and dynamics of drivers of biodiversity (species, communities, habitats) across Baltic Sea ecosystems in space and time including socio-economy : BIO-C3 Deliverable, D3.1. 102 pp. https://doi.org/10.3289/BIO-C3_D3.1  

Daniel Stepputtis, Christopher Zimmermann, Uwe Krumme, Christian v. Dorrien, 2015. Technical measures in the Baltic Sea - an alternative to over-regulation and the brace-and-belt approach : in-depth analysis, in: Workshop on a New Technical Measures Framework for the New Common Fisheries Policy. Brussels, pp. 41–84. https://www.europarl.europa.eu/thinktank/en/document.html?reference=IPOL_STU(2015)563403 

Jan Schulz, Klas Ove Möller, Astrid Bracher, Martin Hieronymi, Boris Cisewski, Oliver Zielinski, Daniela Voss, Enrico Gutzeit, Tim Dolereit, Gerd Niedzwiedz, Gesche Kohlberg, Dirk Schories, Rainer Kiko, Arne Körtzinger, Claas Falldorf, Philipp Fischer, Nicolas Nowald, Kolja Beisiegel, Pedro Martinez-Arbizu, Nick Rüssmeier, Rüdiger Röttgers, Jan Büdenbender, Anne Jordt-Sedlazeck, Reinhard Koch, Ulf Riebesell, Morten Hvitfeldt Iversen, Kevin Köser, Tom Kwasnitschka, Jens Wellhausen, Kristina Barz, Sven Rohde, Tim W. Nattkemper, Timm Schoening, Frank Peeters, Hilmar Hofmann, Julia A. Busch, Hans-Jürgen Hirche, Barbara Niehoff, Nicole Hildebrandt, Erik Stohr, Christian Winter, Gabriel Herbst, Christian Konrad, Mark Schmidt, Peter Linke, Thomas Brey, Hermann W. Bange, Lars Nolle, Sören Krägefsky, Joachim Gröger, Eberhard Sauter, Miriam Schulz, Jens Müller, Gregor Rehder, Daniel Stepputtis, Bank Beszteri, Michael Kloster, Gerhard Kauer, Anna Göritz, Peter Gege, Uwe Freiherr von Lukas, Ulrich Bathmann (2015) Aquatische Optische Technologien in Deutschland. Meereswiss. Ber. Warnemünde, 97; 92pp http://dx.doi.org/10.12754/msr-2015-0097 

Daniel Stepputtis, Harald Wienbeck, Bent Herrmann (2010) Annex D: Changes in technical measures and selectivity in the Baltic cod trawl fisheries 1999-2010; in: Report of the Sub Group on Management Objectives and Strategies (SGMOS 10-06). Part e) Evaluation of multi-annual plan for Baltic cod. 64-73, https://op.europa.eu/en/publication-detail/-/publication/11348888-6ef6-4017-a6f0-cc61bd10ea83 

Eberhard Götze, Daniel Stepputtis (2010) Manual for the Turkish Acoustic Survey (TAS), Project Report TR07-AG-01/Turkey/Introduction of Stock Assessment to the Fisheries Mangement System of Turkey - TIFSA, 29 pp (pdf)

Robert K Bauer, Daniel Stepputtis, Marie Storr-Paulsen, Ronny Weigelt, Cornelius Hammer (2010) Estimating abundances of 0-group western Baltic cod by using pound net fisheries. Inf Fischereiforsch 57:1-11, http://dx.doi.org/10.3220/Infn57_1-11_2010 

Cornelius Hammer, Christopher Zimmermann, Christian v. Dorrien, Daniel Stepputtis, Rainer Oeberst (2009) Begutachtung der Relevanz der Auswirkung des Kühlwassers des geplanten Steinkohlekraftwerks in Lubmin auf die fischereilich genutzten marinen Fischbestände der westlichen Ostsee (Hering, Dorsch, Flunder, Scholle, Hornhecht): Umweltgutachten für das Ministerium für Landwirtschaft, Umwelt und Verbraucherschutz Mecklenburg-Vorpommern, vertreten durch das Staatliche Amt für Umwelt- und Naturschutz Stralsund. Rostock, Thünen Institute, 280 pp. (pdf)

Sabine Rehberg, Daniel Stepputtis, Cornelius Hammer, Christopher Zimmermann (2009) Diel differences in catches of Western Baltic Spring Spawning Herring Larvae (Clupea harengus). Inf Fischereiforsch 56:23-34, http://dx.doi.org/10.3220/Infn56_23-34_2009 

Daniel Stepputtis (2006) Distribution patterns of Baltic sprat (Sprattus sprattus L.) - causes and consequences. Ph.D. thesis. University Kiel, 153 pp (pdf) 

Daniel Stepputtis (2002): Spatial and temporal variability in distribution of Sprat and Herring in Bornholm Sea. Diploma thesis Institute for marine Research Kiel (IfM)

Media presence (selection):

  • Schlauen Netze für kluge Fischer (NDR Info 02.01.2020)
  • Zum Schutz der Meere (ZDF Plan B 10.11.2018). Fernsehbeitrag über Entwicklungen zur Vermeidung von Walbeifang in Stellnetzen und über die Arbeiten zur Ponton-Hebereuse
  • 20 Grad: Ostsee bricht den Temperatur-Rekord (Lübecker Nachrichten 10.08.2018).
  • Bis der letzte Fisch gegessen ist (Kika – Erde an Zukunft 15.09.2018)
  • Fischer kontra Robben (Ostseezeitung 21.07.2018)
  • Gefährliche Schleppnetze (Mare 06/07 2018)
  • Entschlossen gegen Müll im Meer (54° Nord 04/2018). Magazin-Artikel über Müllvermeidung – Projekt DRopS (Dolly Ropes)
  • Nordsee unter Strom (Zeit Online 15.03.2018). Artikel zur Pulsfischerei in der Nordsee
  • Meere unter Strom – welche Zukunft hat die Elektrofischerei (SWR 2 Das Forum 18.01.2018). Live-Experten-Diskussionsrunde
  • Krabbenfischer für weniger Plastikmüll (Kieler Nachrichten 06.01.2018)
  • Aktuelles aus der Fischerei – und Fangtechnikforschung (Deutschlandfunk 04.01.2018)
  • Auf der Suche nach dem schlauen Fischernetz (NDR Info 04.10.2017)
  • Berufe rund ums Meer: Fischer (Buch von Bernd-Uwe Janssen 2017). Thema Fischereiforscher
  • Überfischung (BR Fernsehen 06.06.2016). Beitrag zur Netzentwicklung
  • Zukunft Unterwassertechnik – eine Meeresteststrecke für Rostock (Deutschlandfunk Kultur 01.12.2016)
  • Wer am Leben bleiben soll (Neue Züricher Zeitung 18.11.2016). Artikel über Beifang in der Fischerei
  • Wunderschön – eine Reise entlang der Ostseeküste (WDR Fernsehen 31.07.2016). Beitrag über Arbeit auf Forschungsschiff
  • Müll im Meer (NRD Info Logo 28.06.2016) Interview zu Müll aus Fischerei
  • Neues aus der Meeresforschung (N3 Nordmagazin 26.01.2016). Bericht über Erprobungen eines autonomen hydrografischen Messgerätes
  • Land zwischen Belt und Bodden 2 – Die Ostseeküste von Wismar bis Hiddensee (NDR Fernsehen 02.05.016) ab Minute 20:00
  • Probleme mit den Zahlen (Neues Deutschland 26.09.2015). Erfassung der tatsächlichen Fischbestände
  • Bessere Netze gegen ungewollte Beifänge (Ostseezeitung 27.08.2015)
  • Nicht einfach über Bord werfen (Neues Deutschland 27.08.2015)
  • Intelligente Masche (Tagesspiegel 23.08.2015)
  • Fischereiforschung (3Sat Nano 04.05.2015)
  • „Die grosse Show der Naturwunder“ Beitrag über Krabben-Pulsfischerei (ARD 24.07.2014)
  • Blaues Siegel für rosa Krabben (Deutschlandradio Kultur 16.11.2013)
  • Fischerei - Mit Strom auf Krabbe und Seezunge (DRadio Wissen 16.09.2013)
  • Catch as catch can (The German Times 04.10.2013)
  • Krabbenfischer am Pranger (NDR4 Das Forum 13.08.2013)
  • Fluchtweg für Dorsche (DER SPIEGEL 12/2013)
  • Ungewollte Fische (arte Journal 09.04.2013). Fernsehbeitrag über die Verringerung von Beifang
  • Forscher suchen alternative Fangmethoden (N3 Nordmagazin 09.06.2013). Fernsehbeitrag über neue Netztypen als Alternative zur traditionellen Stellnetzfischerei
  • Schlaues Netz - Oben ohne (3sat nano 14.05.2013) Fernsehbeitrag über die Entwicklung selektiver Fangnetze für die Fischerei (mit starken Überlappungen zum ZDF-Bericht
  • Die Fischretter (ZDF planet e. 28.04.2013) Fernsehbeitrag über Ansätze, mit neuen Netztypen selektiver zu fangen

Supervised student research projects

Hannah Schartmann (2019) Activity pattern of the harbour porpoise Phocoena phocoena in the coastal waters of Fyn (Denmark). Master thesis, University Rostock, 189 pp (pdf)

Anne-Sophie Brunner (2017) Selectivity fishing methods for the reduction of cod bycatch in flatfish fisheries. Bachelor thesis, University Rostock, 47 pp (pdf)

Frank Stappenbeck (2017) Investigation of the reaction of brown shrimp on pulsed electric fields in order to optimise Crangon pulse trawls. Master thesis, University Rostock, 68 pp (pdf)

Stefanie Haase (2015) Aged and children first! Challenges in the development of a new selectivity concept in trawl fisheries. Bachelor thesis, University Oldenburg, 57 pp (pdf)

Christoph Wengerodt (2014) Evaluation of fish pod modifications in the western Baltic Sea. Master thesis, University Rostock, 78 pp (pdf)

Aisha Karim Degen-Smyrek (2014) Evaluation of chemical markers for age validation of western Baltic cod (Gadus morhua) otoliths. Master thesis, University Rostock, 113 pp (pdf)

Thomas Noack (2013) Reduction of bycatch in the Baltic Sea Fishery: An evaluation of alternative passive fishing gears and their comparison to the gillnet. Master thesis, University Rostock, 87 pp (pdf)

Ulrike Luschtinetz (2012) Size selection of European flounder (Platychthys flesus) in the demersal Baltic cod trawl fishery – Theoretical investigations which improve multispecies selection. Master thesis, University Hamburg, 89 pp (pdf)

Isabella Kratzer (2012) Pulse beam trawling vs. traditional beam trawling in German shrimp fishery: a comparative study, Master thesis, University Rostock, 125 pp (pdf)

Thomas Noack (2011) “Towing vs. Heaving“ – When does the fish escape? – The escaping behavior of cod (Gadus morhua), flounder (Platichthys flesus) and plaice (Pleuronectes platessa) from legal cod ends in the Baltic Sea (BACOMA 120/105 mm-trawl; T90 120 mm-trawl). Bachelor thesis, University Rostock, 49 pp (pdf)

Ulrike Luschtinetz (Master 2012) “Größen- und Artenselektion von Fischen in der Ostsee-Grundschleppnetzfischerei –Theoretische Untersuchungen zur Verbesserung der Mehrartenselektion“ (pdf)

Robert Bauer (2011) Retention of Western Baltic Herring Larvae within the Main Spawning Area. Diplom thesis, University Rostock, 122 pp (pdf)

Ulrike Luschtinetz (2010) Is drift modelling useful to improve the recruitment-index for Baltic sprat (Sprattus sprattus)?. Bachelor thesis, University Rostock, 45 pp (pdf)

Sinah Nagel (Diplom 2010) “The influence of vertical distribution of Baltic herring (Clupea harengus L.) and sprat (Sprattus sprattus L.) on the abundance estimation with hydroacoustic methods” (pdf)

Benedikt Niesterok (2009) Herring (Clupea harengus) of the Central Baltic Sea and the Western Baltic Sea: A discrimination approach using eye diameter-/ length ratios. Semester thesis, University Rostock, 47 pp (pdf)

Kai Lübke (2009) Analyse of Baltic fish community since 1980´s with regard to environmental changes. Semester thesis, University Rostock, 34 pp (pdf)

Robert Bauer (2009) Estimating abundances of 0-group western Baltic cod by using pound net fisheries. Semester thesis University Rostock, 39 pp (pdf)

Sabine Rehberg (2008) Diel differences in catches of Western Baltic Spring Spawning Herring Larvae (Clupea harengus), Semester thesis, University Rostock, 22 pp (pdf)

Dominik Gloe (2004) Räumliche Verteilung von Clupeiden in der Südlichen Nordsee in Relation zu hydrographischen Strukturen. Diplom thesis, University Kiel, 67 pp (pdf)

Personal interests

  • Family
  • Photography with focus on underwater-photography
  • Technology, e.g. microcontroller
  • Saxophon
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