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6841 - 6850 von 7266 Einträge
März 2003
The influence of macrophytes on sedimentation and nutrient retention in the lower River Spree (Germany)
Marcus Schulz; Hans-Peter Kozerski; Thomas Pluntke; Karina Rinke
Water research. - 37(2003)3, S. 569-578
März 2003
Analysis of monitoring data of pesticide residues in surface waters using partial order ranking theory
Peter B. Sorensen; Rainer Brüggemann; Lars Carlsen; Betty B. Mogensen; Jenny Kreuger; Stefan Pudenz
Environmental toxicology and chemistry. - 22(2003)3, S. 661-670
Februar 2003
Functional genomics and sexual differentiation in amphibians
Christian Bögi; Gregor Levy; Ilka Lutz; Werner Kloas
Comparative biochemistry and physiology B. - 133(2002)4, S. 559-570
Februar 2003
Caviar composition in wild and cultured sturgeons - impact of food sources on fatty acid composition and contaminant load
J. Gessner; M. Wirth; F. Kirschbaum; A. Krüger; N. Patriche
Journal of applied ichthyology. - 18(2002)4-6, S. 665-672
Februar 2003
Phylogenetic position of Astinastrum hantzschii Lagerheim 1882 (Chlorophyta, Trebouxiophyceae)
Matthias Wolf; Lothar Krienitz; Dominik Hepperle
Archiv für Hydrobiologie : Suppl. 142(2002), S. 59-67 (=Algological studies ; 104)
Februar 2003
Thyroid hormone stimulates hepatic IGF-I mRNA expression in a bony fish, the tilapia Oreochromis mossambicus, in vitro and in vivo
Annette C. Schmid; Ilka Lutz; Werner Kloas; Manfred Reinecke
General and comparative endocrinology. - 130(2003)2, S. 129-134
Februar 2003
Influence of activity in a heterogeneous environment on the dynamics of fish growth
F. Hölker; B. Breckling
Journal of fish biology. - 60(2002)5, S. 1170-1189
Januar 2003
Management of a pikeperch stock in a long-term biomanipulated stratified lake
Klaus Wysujack; Peter Kasprzak; Uwe Laude; Thomas Mehner
Hydrobiologia. - 479(2002)1-3, S. 169-180
Januar 2003
Comparison of losses of planktivorous fish by predation and seine-fishing in a lake undergoing long-term biomanipulation
Klaus Wysujack; Thomas Mehner
Freshwater biology. - 47(2002)12, S. 2425-2434
Januar 2003
Methanogenic archaeal community in the sediment of an artificially partitioned acidic bog lake
On Chim Chan; Matthias Wolf; Dominik Hepperle; Peter Casper
FEMS microbiology ecology. - 42(2002)1, S. 119-129