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6761 - 6770 of 7303 items
June 2004
The influence of sorption processes on the phosphorus mass balance in a eutrophic German lowland river
Marcus Schulz; Christiane Herzog
Water, Air and Soil Pollution. - 155(2004)1-4, S. 291-301
June 2004
Humic substances affect physiological condition and sex ratio of swordtail (Xiphophorus helleri Heckel)
Thomas Meinelt; Kurt Schreckenbach; Klaus Knopf; Andreas Wienke; Angelika Stüber; Christian E. W. Steinberg
Aquatic sciences. - 66(2004)2, S. 239-245
June 2004
Angiotensin, evolution of
Werner Kloas
Encyclopedia of endocrine diseases. - Vol. 1. - 2004. - S. 234-236
June 2004
Status of the project on protection and restoration of Atlantic sturgeon in Germany
Frank Kirschbaum; Arne Ludwig; Emanuel Hensel; Sven Würtz; Werner Kloas; Patrick Williot; Ralph Tiedemann; Gerd-Michael Arndt; Eckhard Anders; Henning v. Nordheim; Jörn Geßner
Species differentiation and population identification in the sturgeons Acipenser sturio L. and Acipenser oxyrhinchus. - (BfN-Skripten / Bundesamt für Naturschutz ; 101). - S. 36-53
June 2004
Genetic variability of the Gironde population of Acipenser sturio
Arne Ludwig; Patrick Williot; Frank Kirschbaum; Dietmar Lieckfeldt
Species differentiation and population identification in the sturgeons Acipenser sturio L. and Acipenser oxyrhinchus. - (BfN-Skripten / Bundesamt für Naturschutz ; 101). - S. 54-72
June 2004
Permanent and seasonal expressions of sexual dimorphisms in a weakly electric fish, Mormyrus rume proboscirostris Boulenger 1898 (Mormyridae, Teleostei)
Peter Moller; Christian Schugardt; Frank Kirschbaum
Environmental biology of fishes. - 70(2004)2, S. 175-184
May 2004
Kehren Unterwasser- und Schwimmblattpflanzen in unsere Gewässer zurück?
Sabine Hilt
Verhandlungen des Botanischen Vereins von Berlin und Brandenburg. - 136(2003), S. 111-119
May 2004
Is roach herbivory preventing re-colonization of submerged macrophytes in a shallow lake?
Sabine Körner; Tony Dugdale
Hydrobiologia. - 506-509(2003), S. 497-501
May 2004
The capacity of duckweed to treat wastewater
Sabine Körner; Jan E. Vermaat; Siemen Veenstra
Journal of environmental quality. - 32(2003)5, S. 1583-1590