Suche

Seasonal and spatial variation in cormorant predation in a lowland floodplain river

C. Wolter; R. Pawlizki
2003
Interactions between fish and birds / ed. by I. G. Cowx. - Oxford, 2003. - chapter 13. - S. 178-186

Refrigerants ranked by partial order theory

Guillermo Restrepo; Monika Weckert; Rainer Brüggemann; Silke Gerstmann; Hartmut Frank
2007
Environmental informatics and systems research / Hryniewicz, Olgierd ... - Aachen, 2007. - S. 209-217

Assessment of the ecological state of lakes in the German lowlands using fish communities

Markus Diekmann; Uwe Brämick; Roland Lemcke; Thomas Mehner
2002
Typology and ecological classification of lakes and rivers / Marja Ruoppa ; Krister Karttunen (eds.). - Kobenhavn, 2002 - (TemaNord ; 2002, 566), S. 111-113

Selecting potential type-specific lakes of reference in implementing the E.U. Water Framework Directive

Xavier-Francois Garcia; Mario Brauns; Martin Pusch; Norbert Walz
2003
How to assess and monitor ecological quality in freshwaters / Marja Ruoppa ... (eds.). - Kobenhavn, 2003. - (TemaNord ; 2003, 547), S. 206-211

Classification and assessment of lakes in Germany according to the biological indicator phytoplankton - first results

Brigitte Nixdorf; Ute Mischke; Anja Hoffmann; Mike Hemm; Eberhard Hoehn
2001
Classification of ecological status of lakes and rivers / Saara Bäck and Krister Karttunen (eds.). - Kobenhavn, 2001. - (TemaNord ; 2001, 584), S. 24-27

Preliminary approaches for the classification of rivers according to the indicator phytoplankton

Horst Behrendt; Dieter Opitz
2001
Classification of ecological status of lakes and rivers / Saara Bäck and Krister Karttunen (eds.). - Kobenhavn, 2001. - (TemaNord ; 2001, 584), S. 32-36

Zur Pharmakokinetik von Sulfamerazin bei Karpfen (Cyprinus carpio)

F. Weirowski und A. Goltz
1989
Fortschritte der Fischereiwissenschaft. - 8(1989). - S. 29-40

Methoden und Möglichkeiten der Züchtung von Karpfen (Cyprinus carpio)

K. Kohlmann
1989
Fortschritte der Fischereiwissenschaft. - 8(1989). - S. 41-58

Umweltrelevanz landwirtschaftlicher Abprodukte aus binnenfischereilicher Sicht

T. Mattheis
1989
Fortschritte der Fischereiwissenschaft. - 8(1989). - S. 59-71

Zur Entwicklung der institutionellen Binnenfischereiforschung in Deutschland bis 1945

I. S. Kowalczuk
1989
Fortschritte der Fischereiwissenschaft. - 8(1989). - S. 73-94