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6741 - 6750 von 7302 Einträge
September 2004
Humic substances (NOM) modify swimming behavior of Daphnia magna
Daniela Baganz; Christian E. W. Steinberg; Stephan Pflugmacher
Humic substances and soil and water environment : proceedings 12th international meeting of IHSS / eds.: Ladislau Martin-Neto ... - Sao Pedro, Sao Paulo : Embrapa Instrumentacao Agropecuária, 2004. - S. 142-144
September 2004
Interaction of natural organic matter and calcium on toxicity of substances used for the treatment of external parasites in fish
Thomas Meinelt; B. Kent Burnison; Michael Pietrock; Angelika Stüber; Christian E. W. Steinberg
Humic substances and soil and water environment : proceedings 12th international meeting of IHSS / eds.: Ladislau Martin-Neto ... - Sao Pedro, Sao Paulo : Embrapa Instrumentacao Agropecuária, 2004. - S. 184-188
September 2004
Transport of biologically influenced particulate matter in rivers - modelling equilibrium variables and sedimentation rates
Dieter Prochnow; Reinhard Schild; Heinz Bungartz; Christof Engelhardt
Systems analysis modelling simulation. - 40(2001), S. 257-285
September 2004
Sanierungsmaßnahmen zur Erhöhung des Phosphorrückhaltes in einem kleinen Teileinzugsgebiet der Spree (Demnitzer Mühlenfließ)
Holger Lengsfeld; Jörg Gelbrecht; Dieter Opitz
Naturschutz und Landschaftspflege in Brandenburg. - 13(2004)3, S. 116-124
September 2004
Early life stage toxicity of extracts from the african fish poison plants Tephrosia vogelii Hook. f. and Asystasia vogeliana Benth. on zebrafish embryos
A. P. Ekanem; T. Meinelt; W. Kloas; K. Knopf
Journal of fish biology. - 65(2004)2, S. 489-494
September 2004
Control of gonadal maturation and regression by experimental variation of environmental factors in the mormyrid fish, Mormyrus rume proboscirostris
Christian Schugardt; Frank Kirschbaum
Environmental biology of fishes. - 70(2004)3, S. 227-233
September 2004
An investigation into the detoxification of microcystin-LR by the glutathione pathway in Balb/c mice
Michelle M. Gehringer; Enid G. Shephard; Tim G. Downing; Claudia Wiegand; Brett A. Neilan
The international journal of biochemistry and cell biology. - 36(2004)5, S. 931-941
Juli 2004
SPIEL - a model for phosphorus diagenesis and its application to lake restoration
Inke Schauser; Michael Hupfer; Rainer Brüggemann
Ecological modelling. - 176(2004)3-4, S. 389-407
Juli 2004
Verbreitung und Bionomie des Schwimmkäfers Hydroglyphus hamulatus (Gyllenhal, 1813) in Deutschland (Coleoptera: Dytiscidae)
Lars Hendrich; Mario Brauns
Entomologische Zeitschrift. - 114(2004)3, S. 121-125
Juli 2004
Analysis of toxic aluminium species in natural waters
Gerlinde Wauer; Hans-Jürgen Heckemann; Rainer Koschel
Microchimica acta. - 146(2004)2, S. 149-154