Dr. Koffi Tassou

Former member Ecosystem Resilience

Research interests

  • Aquatic Ecotoxicology
  • Population level effects
  • Multigenerational studies with emphasis to EDC in freshwater ecosystem

Current Research theme

  • Life Cycle test with the aquatic midge Chironomus riparius to assess potential endocrine disrupting chemicals

Academic history

  • Degree (March 2013): Dr. rer. nat.
    Title of dissertation: Assessment of potential endocrine disrupting agrochemicals in freshwater systems: Full life-cycle testing over two generations with the aquatic midge Chironomus riparius (Meigen)
  • PhD-study (April 2008-October 2012): Institute of Environmental Science, University of Koblenz-Landau
  • Diploma Thesis (december 2007): Mehrgenerationentest mit Chironomus riparius (Meigen)zur Bewertung von hormonaktiven Chemikalien
  • Postgraduate diploma course in Environmental Sciences (october 2005 until December 2007), University of Koblenz-Landau, Campus Landau
  • Study of physics (april 2005- September 2005), Department of Physics, University of Regensburg
  • Study of Natural Sciences (1995- 2000), University of Benin, Lomé (Togo)

Professional history

  • Grammar School Teacher (2001-2004) in Lycée de Womé, (Togo)

Recent Publications

  • Tassou K.T. & Schulz R. (2012): Low field-relevant tebufenozide concentrations affect reproduction in Chironomus riparius (Diptera: Chironomidae) in a long-term toxicity test. Environ. Sci. Pollut. Res. Accepted: 7 November. DOI 10.1007/s11356-012-1311-4.
  • Tassou K.T. & Schulz R. (2012): Combined effects of temperature and pyriproxyfen stress in a full life-cycle test with Chironomus riparius (Insecta). Environ. Toxicol. Chem. 31:2384- 2390.
  • Tassou, K.T. & Schulz, R. (2011): Two-generation effects of the chitin synthesis inhibitor, teflubenzuron, on the aquatic midge Chironomus riparius. Ecotoxicol. Environ. Saf. 74:1203-1209.
  • Tassou, K.T., Schulz, R. (2009). Effects of the insect growth regulator pyriproxyfen in a two-generation test with Chironomus riparius. Ecotoxicol. Environ. Saf. 72:1058-1062.


  • German Academic Exchange Service (DAAD) award 2007 for Excellence for foreign student.