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Ralf B. Schäfer

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Ralf B. Schäfer

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    1 - 8 out of 8Page size: 10
    1. 2008
    2. Published

      The footprint of pesticide stress in communities-Species traits reveal community effects of toxicants

      Liess, M., Schäfer, R. B. & Schriever, C. A., 01.12.2008, In: The Science of The Total Environment. 406, 3, p. 484-490 7 p.

      Research output: Journal contributions › Journal articles › Research › peer-review

    3. Published

      Long-term stream invertebrate community alterations induced by the insecticide thiacloprid: Effect concentrations and recovery dynamics

      Beketov, M. A., Marwitz, A., Paschke, A., Liess, M. & Schäfer, R. B., 01.11.2008, In: The Science of The Total Environment. 405, 1-3, p. 96-108 13 p.

      Research output: Journal contributions › Journal articles › Research › peer-review

    4. Published

      Calibration of the Chemcatcher ® passive sampler for monitoring selected polar and semi-polar pesticides in surface water

      Gunold, R., Schäfer, R. B., Paschke, A., Schüermann, G. & Liess, M., 01.09.2008, In: Environmental Pollution. 155, 1, p. 52-60 9 p.

      Research output: Journal contributions › Journal articles › Research › peer-review

    5. Published

      Performance of the Chemcatcher ® passive sampler when used to monitor 10 polar and semi-polar pesticides in 16 Central European streams, and comparison with two other sampling methods

      Paschke, A., Vrana, B., Mueller, R., Liess, M. & Schäfer, R. B., 01.05.2008, In: Water Research. 42, 10-11, p. 2707-2717 11 p.

      Research output: Journal contributions › Journal articles › Research › peer-review

    6. Published

      Determination of 10 particle-associated multiclass polar and semi-polar pesticides from small streams using accelerated solvent extraction

      Mueller, R., Brack, W., Wenzel, K-D., Streck, G., Ruck, W., Liess, M. & Schäfer, R. B., 02.2008, In: Chemosphere. 70, 11, p. 1952-1960 9 p.

      Research output: Journal contributions › Journal articles › Research › peer-review

    7. 2007
    8. Published

      Effects of pesticides on community structure and ecosystem functions in agricultural streams of three biogeographical regions in Europe

      Schäfer, R. B., Caquet, T., Siimes, K., Mueller, R., Lagadic, L. & Liess, M., 01.09.2007, In: The Science of The Total Environment. 382, 2-3, p. 272-285 14 p.

      Research output: Journal contributions › Journal articles › Research › peer-review

    9. Published

      Water quality indices across Europe - a comparison of the good ecological status of five river basins

      von der Ohe, P. C., Prüß, A., Schäfer, R. B., Liess, M., de Deckere, E. & Brack, W., 01.01.2007, In: Journal of Environmental Monitoring. 9, 9, p. 970-978 9 p.

      Research output: Journal contributions › Journal articles › Research › peer-review

    10. 2004
    11. Published

      Pflanzenbehandlungs- und Schädlingsbekämpfungsmittel in niedersächsischen Fließgewässern von 1994 bis 2001

      Schäfer, R. B., Palm, W-U., Steffen, D. & Ruck, W., 06.2004, In: Hydrologie und Wasserbewirtschaftung. 48, 3, p. 117-125 9 p.

      Research output: Journal contributions › Journal articles › Research › peer-review