Dr. Meike Koester

Former member Fish and Freshwater Ecology

Research Interests

  • Freshwater Ecology
  • Trophic Ecology
  • Invasive Species
  • Benthic Community Structure

Former research project

  • Is the invasive Dikerogammarus villosus really a 'killer shrimp' in the field?

Academic History

 

  • Since 01/2016
    Scientific assistant at the University of Koblenz-Landau, Institute of Natural Sciences, Department of Biology, Koblenz, Germany
  • 01/2012-02/2016
    PhD at the Institute for Environmental Sciences, University Koblenz-Landau, Landau, Germany. "Impact of the invasive amphipod Dikerogammarus villosus on trophic interactions under field conditions"
  • 01/2015-12/2015
    Scholarship at the Institute for Environmental Sciences, University Koblenz-Landau, Germany
  • 01/2012-12/2014
    Scientific assistant at the Institute of Environmental Sciences, University of Koblenz-Landau,Landau, Germany
  • 04/2011-11/2011
    Diploma Thesis at the Institute for Environmental Sciences, University Koblenz-Landau, Germany: Development of group-specific primers for genetic gut content analyses
  • 09/2006-03/2011
    Study of Environmental Sciences, University of Koblenz-Landau, Germany

Publications

peer-reviewed articles

  • Koester, M., B. Bayer & R. Gergs, 2015. Is Dikerogammarus villosus (Crustacea, Gammaridae) a ‘killer shrimp’ in the River Rhine system? Hydrobiologia: 768:299-313.
  • Martin, P., M. Koester, L. Schynawa and R. Gergs (2015). First detection of prey DNA in Hygrobates fluviatilis (Hydrachnidia, Acari): a new approach for determining predator–prey relationships in water mites. Experimental and Applied Acarology 67: 373-380.
  • Gergs, R., M. Koester, K. Grabow, F. Schöll, A. Thielsch and A. Martens (2015). Theodoxus fluviatilis' re-establishment in the River Rhine: a native relict or a cryptic invader? Conservation Genetics 16: 247-251.
  • Koester, M. and R. Gergs (2014). No evidence for intraguild predation of Dikerogammarus villosus (Sowinsky, 1894) at an invasion front in the Untere Lorze, Switzerland. Aquatic Invasions 9: 489-497.
  • Gergs, R., M. Koester, R. S. Schulz and R. Schulz (2014). Potential alteration of cross-ecosystem resource subsidies by an invasive aquatic macroinvertebrate: implications for the terrestrial food web. Freshwater Biology 59: 2645-2655.
  • Koester, M., S. Claßen and R. Gergs (2013). Establishment of group-specific PCR primers for the identification of freshwater macroinvertebrates. Conservation Genetics Resources 5: 1091-1093.

other articles

  • Koester, M., Claßen, S. & Gergs, R. (2013). Trophische Ökologie invasiver und einheimischer Makroinvertebraten: Kombination von Genetik und Stabilen Isotopen. DGL – Tagungsbericht 2012 (Koblenz): 197-202.

Conference contributions

  • Gergs, R., Koester, M., Becker, G. (2014) Nahrungsspektrum der Wollhandkrabbe (Eriocheir sinensis) im Niederrhein: Vergleichende Analyse von Stabilen Isotopen und genetischer Mageninhaltsanalyse. DGL–Tagung 2014 (Magdeburg, Germany), oral presentation
  • Koester, M. & Gergs, R. (2014) Ist Dikerogammarus villosus unter Freilandbedingungen ein ‘killer shrimp’? DGL–Tagung 2014 (Magdeburg, Germany), oral presentation
  • Koester, M. & Gergs, R. (2014) Is the aquatic Dikerogammarus villosus a 'killer shrimp' in the field? - a case study on one of the most invasive species in Europe 9th ISOECOL (Perth, Australia), oral presentation
  • Gergs, R., Koester, M., Grabow, K., Schöll, F. & Martens, A. (2013) Theodoxus fluviatlis re-established in the River Rhine – a native relic or a cryptic invader? DGL–Tagung 2013 (Potsdam, Germany), oral presentation
  • Koester, M. & Gergs, R. (2013) Is intraguild predation by Dikerogammarus villosus on native and invasive amphipod species of importance in the field? DGL–Tagung 2013 (Potsdam, Germany), oral presentation
  • Gergs, R., Koester, M., Schulz, R.S. & Schulz, R. (2013). Cross-system trophic effects: Does the invasive aquatic Dikerogammarus villosus affect terrestrial food webs? BioHydrology 2013 (Landau, Germany), oral presentation
  • Koester, M., Claßen, S. & Gergs, R. (2012). Trophische Ökologie invasiver und einheimischer Makroinvertebraten: Kombination von Genetik und Stabilen Isotopen. DGL–Tagung 2012 (Koblenz, Germany), oral presentation
  • Gergs, R., Koester, M., Schulz, R.S. & Schulz, R. (2012). System-übergreifende trophische Effekte – Was haben invasive Amphipoden mit terrestrischen Spinnen zu tun? DGL–Tagung 2012 (Koblenz, Germany), oral presentation