Sven Rohde

Sven Rohde

Sven Rohde, Dr.

Research interests

My research focuses on species interactions, how these relationships shape ecological communities and are often affected by environmental conditions or anthropogenic impacts. I have specialized in marine communities such as macroalgal communities and coral reefs in both tropical and temperate systems. My studies place special emphasis on:

  • Feeding defenses in times of global change: How environmental variability affect the production of chemical metabolites in marine organisms.
  • The impact of invasive species: Negative and positive effects of invasive species on the chemical, physiological and ecological performance of native species. 
  • Allelopathy in marine macroalgae: Allelopathic and other chemical ecological interactions enable macroalgae to compete for resources and to maintain and spread their populations. Special focus is on the analysis of chemical interactions that introduced species use to successfully invade new habitats.
  • Fouling communities and antifouling strategies


  • Since 2010    Researcher Carl von Ossietzky 
    University Oldenburg, ICBM-TERRAMARE 
  • 2008 – 2010    PostDoc. University of Guam, USA. ‘Defense strategies of tropical sponges’.
  • 2007 –2008    Researcher. IFM-GEOMAR. Kiel. ‘Defense mechanisms and depth distribution of maroalgae from the Baltic’.
  • 2004 – 2007    PhD, Leibniz Institute of Marine Sciences, (IFM-GEOMAR). Kiel. ‘Defense induction in marine macroalgae: Its prevalence, capabilities and limitations’
  • 2003 – 2004    Researcher, Leibniz Institute of Marine Sciences (IFM-GEOMAR). Kiel. ‘Macroalgal monitoring in the Baltic Sea’.
  • 1996-2003    Diploma (approx. equiv. M.Sc.) Biology, Christian-Albrechts-University (CAU) and Leibniz-Institute for Marine Sciences (IFM-GEOMAR). Kiel. ‘Chemical defenses of macrophytes from the Baltic sea’. 



  • SB Helber, NJ de Voogd, CA Muhando, S Rohde, PJ Schupp. 2016. Anti-predatory effects of organic extracts of 10 common reef sponges from Zanzibar. Hydrobiologia
  • N Schwartz, S Rohde, S Hiromori, PJ Schupp. 2016. Understanding the invasion success of Sargassum muticum: Herbivore preferences for native and invasive Sargassum spp. Marine Biology. Marine Biology. 163 (9):
  • N Schwartz, S Dobretsov, S Rohde, PJ Schupp. Comparison of antifouling properties of native and invasive Sargassum (Phaeophyceae, Fucales) species. European Journal of Phycology. In press


  • S Rohde , S Nietzer, PJ Schupp. 2015. Prevalence and Mechanisms of Dynamic Chemical Defenses in Tropical Sponges. PLoS ONE 10(7): e0132236. doi:10.1371/journal.pone.0132236
  • A Bogdanov, C Hertzer, S Kehraus, S Nietzer, S Rohde, PJ Schupp, H Wägele, GM König. 2015. Defensive Diterpene from the Aeolidoidean Phyllodesmium longicirrum. Journal of Natural Products. DOI: 10.1021/acs.jnatprod.5b00860
  • A Markert, K Matsuyama, S Rohde, P Schupp, A Wehrmann. 2015. First record of the non-native Pacific bryozoan Smittoidea prolifica Osburn, 1952 at the German North Sea coast. Marine Biodiversity. DOI 10.1007/s12526-015-0415-8


  • S Rohde, DJ Gochfeld, S Ankisetty, B Avula, P Schupp, M Slattery. 2012. Spatial variability in secondary metabolites of the Indo-pacific sponge Stylissa massa. Journal of Chemical Ecology. DOI 10.1007/s10886-012-0124-8
  • AD Wright, PJ Schupp, JP Schrör, A Engemann, S Rohde, D Kelman, NJ de Voogd, A Carroll, CA Motti. 2012. Sponges from Guam Yield Theonellin Isocyanate and Psammaplysins I and J. Journal of Natural Products 75(3): 502-506. DOI: 10.1021/np200939d
  • S RohdeP Schupp. 2012. Growth and regeneration of the elephant ear spongeIanthella basta (Porifera). Hydrobiologia. 687(1):219-226. DOI 10.1007/s10750-011-0774-5


  • Wahl, M., V. Jormalainen, B. K. Eriksson, J. A. Coyer, M. Molis, H. Schubert, M. Dethier, A. Ehlers, R. Karez, I. Kruse, M. Lenz, G. Pearson, S. Rohde, S. A. Wikström and Jeanine L. Olsen, 2011: Stress Ecology in FUCUS: Abiotic, Biotic and Genetic Interactions. Advances in Marine Biology, 59, 37-106.
  • S Rohde, P Schupp. 2011. Allocation of chemical and structural defenses in the sponge Melophlus sarasinorum. Journal of Experimental Marine Biology and Ecology. 399:76-83.
  • F Weinberger, S Rohde, Y Oschmann, L Shahnaz, S Dobretsov, M Wahl. 2011. Effects of limitation stress and disruptive stress on induced antigrazing defense in the bladder wrack Fucus vesiculosus. Marine Ecology Progress Series. 427:83-94


  • HY Yun, S Rohde, K Linnane, M Wahl, M Molis. 2010. Seaweed-mediated indirect interaction between two species of meso-herbivores. Marine Ecology Progress Series. 408:47-53.


  • P Schupp, C Kohlert-Schupp, S Whitfield, A Engemann, S Rohde, T Hemscheidt, JM Pezzutob, TP Kondratyuk, EJ Park, L Marler, B Rostama, AD Wright. 2009. Cancer Chemopreventive and Anticancer Evaluation of Extracts and Fractions from Marine Macro- and Microorganisms Collected from Twilight Zone Waters Around Guam. Natural Product Communications. 4(12): 1717 – 1728.


  • S Rohde, M Wahl. 2008. Temporal dynamics of regulated defense in a marine macroalga: time lag of induction and reduction in Fucus vesiculosus. Journal of Experimental Marine Biology and Ecology. 367(2): 227-229.
  • TP Henkel, SE. McMurray, S López-Legentil, TL Loh, S Rohde and JR Pawlik. 2008. Patterns of sponge recruitment and growth on a shipwreck corroborate chemical defense resource trade-off. Marine Ecology Progress Series. 368: 137-143.
  • S Rohde, C Hiebenthal, K Bischof, R Karez, M Wahl. 2008. Decreased depth distribution of Fucus vesiculosus (Phaeophyceae) in the Western Baltic: Effects of light deficiency and epibionts on growth and photosynthesis. European Journal of Phycology. 43(2): 143-150.
  • S Rohde, M Wahl. 2008. Antifeeding defense in Baltic macroalgae: Induction by direct grazing vs. waterborne cues. Journal of Phycology. 44: 85-90.


  • S Rohde, M Molis, M Wahl. 2004. Regulation of anti-herbivore defence by Fucus vesiculosus in response to various cues. Journal of Ecology. 92:1011-1018.

Technische Berichte

  • Ecological processes that allow the establishment of the invasive brown alga Sargassum muticum in the North Sea. Landesamt für Landwirtschaft, Umwelt und ländliche Räume des Landes Schleswig-Holstein (LLUR). 2012.
  • Ausbringung von Hartsubstrat als Ausgleichsmaßnahme im marinen Bereich. Abschlussbericht für das Landesamt für Natur und Umwelt (LANU) SH. 2004.
  • Ausbringung von Hartsubstrat als Ausgleichsmaßnahme im marinen Bereich II (Projekt LASH plus). Landesamt für Natur und Umwelt (LANU) SH. 2006.
  • Tiefenverbreitung von Makroalgen der Ostsee (Projekt LASHplus Analyse). Landesamt für Natur und Umwelt (LANU)SH. 2007.
  • Abhängigkeit der Algenansiedlung von abiotischen Faktoren in der Ostsee.
  • (Projekt Algenbewertung-Winter). Landesamt für Natur und Umwelt (LANU) SH. 2008.
  • Coral Reef Monitoring: Kilo Wharf Extension, Apra Harbor, Guam. 2010. T. Schils, P. Schupp, L. Raymundo,  A. Halford, C. Caballes, A. Devillers, and S. Rohde.
  • Ecological processes that allow the establishment of the invasive brown alga Sargassum muticum in the North Sea. Landesamt für Landwirtschaft, Umwelt und ländliche Räume des Landes Schleswig-Holstein (LLUR). 2012.

  • Neobiota-Basislinie in niedersächsischen Küstengewässern. 2015. Rohde, S., A. Markert, P. Schupp, A. Wehrmann. Bericht erstellt im Auftrag des NLWKN und NLPV.
  • Aquatische Optische Technologien in Deutschland. Schulz, J.,…, Rohde, S. et al. 2015. Meereswissenschaftliche Berichte. Vol. 97. Warnemünde.

DR. Sven Rohde

Tel.: +49-(0)4421-944-215 
Fax: +49-(0)4421-944-140


ICBM Terramare
Schleusenstraße 1
26382 Wilhelmshaven

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