Die Titicaca-See-Region auf dem Altiplano von Peru und Bolivien und die Folgen eingeführter Fische für Wildarten und ihren Lebensraum Wolfgang Villwock OriginalPaper Pages: 1 - 8
Lipopeptide als natürliche Adjuvantien für Impfstoffe aus Gram-negativen Bakterien S. SchlechtK. -H. WiesmüllerW. G. Bessler OriginalPaper Pages: 9 - 17
Lower carboniferous granulites in the Schwarzwald basement near Hohengeroldseck (SW Germany) M. HanelH. J. LippoltW. Wimmenauer Short Communications Pages: 25 - 28
A state of the art structural concept for humic substances H. -R. SchultenM. Schnitzer Short Communications Pages: 29 - 30
Identification of the sex pheromone of an ant,Formica lugubris (Hymenoptera, Formicidae) F. WalterD. J. C. FletcherE. L. Vargo Short Communications Pages: 30 - 34
Male and female sex pheromones produced byAcarus immobilis Griffiths (Acaridae : Acarina) M. SatoY. KuwaharaK. Matsumoto Short Communications Pages: 34 - 36
Interneurons descending from the cricket subesophageal ganglion control stridulation and ventilation D. OttoR. M. Hennig Short Communications Pages: 36 - 38
Evidence for two distinct movement-detecting mechanisms in insect vision M. V. SrinivasanS. W. ZhangK. Chandrashekara Short Communications Pages: 38 - 41
Magnetic orientation of honeybees in the laboratory D. E. SchmittH. E. Esch Short Communications Pages: 41 - 43
Electric signaling and impedance matching in a variable environment B. KramerB. Kuhn Short Communications Pages: 43 - 46
