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Schulz, R; Peall, SKC; Hugo, C et al.

Concentration, load and toxicity of spraydrift-borne azinphos-methyl at the inlet and outlet of a constructed wetland

ECOLOGICAL ENGINEERING. Bd. 18. H. 2. 2001 S. 239 - 245

Schulz, Ralf; Peall, S. K.C.; Dabrowski, J.M. et al.

Current-use insecticides, phosphates and suspended solids in the Lourens River, Western Cape, during the first rainfall event of the wet season

Water SA. Bd. 27. H. 1. 2001 S. 65 - 70

Schulz, R; Peall, SKC; Dabrowski, JM et al.

Current-use insecticides, phosphates and suspended solids in the Lourens River, Western Cape, during the first rainfall event of the wet season

WATER SA. Bd. 27. H. 1. 2001 S. 65 - 70

Schulz, Ralf

Edelkrebs (Astacus astacus)

Fartmann, T.; Gunnemann, H.; Salm, P.; Schröder, E. (Hrsg). Bonn-Bad Godesberg. 2001 S. 412 - 417

Schulz, R; Peall, SKC

Effectiveness of a constructed wetland for retention of nonpoint-source pesticide pollution in the Lourens River catchment, South Africa

ENVIRONMENTAL SCIENCE & TECHNOLOGY. Bd. 35. H. 2. 2001 S. 422 - 426

Berenzen, N; Schulz, R; Liess, M

Effects of chronic ammonium and nitrite contamination on the macroinvertebrate community in running water microcosms

WATER RESEARCH. Bd. 35. H. 14. 2001 S. 3478 - 3482

Hahn, T; Liess, M; Schulz, R

Effects of the hormone mimetic insecticide tebufenozide on Chironomus riparius larvae in two different exposure setups

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY. Bd. 49. H. 2. 2001 S. 171 - 178

Schulz, Ralf; Smietana, P.

Occurence of native and introduced crayfish in northeastern Germany and northwestern Poland

Bd. 361. 2001 S. 629 - 641

Schulz, R; Smietana, P

Occurrence of native and introduced crayfish in northeastern Germany and northwestern Poland.

BULLETIN FRANCAIS DE. H. 361. 2001 S. 629 - 641

Schulz, Ralf

Rainfall-induced sediment and pesticide input from orchards into the Lourens River, Western Cape, South Africa: importance of a single event

Water Research. Bd. 35. 2001 S. 1869 - 1876