Dr. Eduard Szöcs

external/former PhD student (Quantitative Landscape Ecology)

Research Topic                             researchfield.jpg

  • Quantification of large scale effects of pesticides on freshwater

Research Interests

  • Statistical Ecology - Eco(toxico)logical Statistics
  • Freshwater Macroinvertebrates Community Structure
  • Effects of pollutants on freshwater
  • Quantitative Ecotoxicology


  • Multivariate Statistics with R (Course Assistant) 2011-2016

R Programming

I am contributing/developing several R packages. For more information please visit my private web page at http://edild.github.io.

  • taxize (Co-Developer) : taxonomic search and retrieval in R
  • rspear (Author) : Calculate SPEARpesticides in R (deprecated)
  • webchem (Author): Retrieve chemical information from the web
  • vegan (Contributor) : A R package for community ecologists
  • restax (Author) : A R implementation of Cuffney et al. (2007) to resolve ambiguous taxa.
  • esmisc (Author) : Misc functions, Web scraping Chemical/Ecotoxicological Information



  • Lagadic L, Schäfer RB, Roucaute M, Szöcs E, Chouin S, de Maupeou J, Duchet C, Franquet E, Le Hunsec B, Bertrand C, Fayolle S, Francés B, Rozier Y, Foussadier R, Santoni J-B, Lagneau C. (2016). No association between the use of Bti for mosquito control and the dynamics of non-target aquatic invertebrates in French coastal and continental wetlands. Science of The Total Environment. 553:486–494.


  • Mbaka JG, Szöcs E, Schäfer RB (2015). Meta-analysis on the responses of traits of different taxonomic groups to global and local stressors. Acta Oecologica 69:65–70. doi: 10.1016/j.actao.2015.09.002
  • Szöcs, E., Schäfer, R. B. (2015). Ecotoxicology is not normal. Environmental Science and Pollution Research, DOI 10.1007/s11356-015-4579-3. Online (paywall). Supplement / github repository.
  • Szöcs, E., Van den Brink, P., Lagadic, L., Caquet, T., Roucaute, M., Auber, A., Bayona, Y., Liess, M., Ebke, P., Ippolito, A., ter Braak, C.F., Brock, T.M., Schäfer, R. B. (2015). Analysing chemical-induced changes in macroinvertebrate communities in aquatic mesocosm experiments: a comparison of methods. Ecotoxicology, 24(4), 760-769. Online (paywall).


  • Szöcs, E., Eckhard Coring, Jürgen Bäthe, Ralf B. Schäfer (2014). Effects of anthropogenic salinisation on biological traits and community composition of stream macroinvertebrates. Science of the Total Environment 468–469: 943–949. Online (paywall)


  • Chamberlain, SA, Szöcs, E. (2013). taxize: taxonomic search and retrieval in R [v2; ref status: indexed, http://f1000r.es/24v] F1000Research 2013, 2:191 [(doi: 10.12688/f1000research.2-191.v2)](http://f1000research.com/articles/2-191/v2). Online


  • Szöcs, E., Kefford, B. J., & Schäfer, R. B. (2012). Is there an interaction of the effects of salinity and pesticides on the community structure of macroinvertebrates? Science of the Total Environment, 437(1), 121–126. Online (paywall).
  • Schäfer, R. B., Bundschuh, M., Rouch, D. A., Szöcs, E., von der Ohe, P. C., Pettigrove, V., Kefford, B. J. (2012). Effects of pesticide toxicity, salinity and other environmental variables on selected ecosystem functions in streams and the relevance for ecosystem services. Science of the Total Environment, 415(1), 69–78. Online (paywall).

Poster presentations

  • Szöcs, E. , Kefford, B. J. , Pettigrove V. & Schäfer, R. B. (2011). Einfluss von Pestiziden und Salinität auf Makroinvertebratengemeinschaften. Poster presented at SETAC GLB meeting in Landau. Download.

Academic History

  • since 2014: PhD Student at the University of Koblenz-Landau, Campus Landau
  • 2014 M. Sc. (Ecotoxicology): Analysing mesocosm experiments: Principal Response Curves vs. Multivariate Generalized Linear Models, University of Koblenz-Landau
  • 2011 B. Sc. (Environmental Sciences): Is there an interaction of the effects of salinity and pesticides on the community structure of macroinvertebrates?, University of Koblenz-Landau
  • Please see my CV for more details

google scholar