Acoustic variability and its biological significance in nocturnal lemurs [Elektronische Ressource] / von Pia Braune

Acoustic variability and its biological significance in nocturnal lemurs Von der Naturwissenschaftlichen Fakultät der Gottfried Wilhelm Leibniz Universität Hannover zur Erlangung des Grades Doktorin der Naturwissenschaften Dr. rer. nat. genehmigte Dissertation von Dipl.-Biol. Pia Braune geboren am 06.08.1973 in Peine 2007 Referentin: Prof. Dr. Elke Zimmermann Korreferent: Prof. Dr. Uwe Jürgens Tag der Promotion: 12.09.2007Contents 1 Contents 1 Abstract............................................................................................................................ 3 2 Zusammenfassung .......................................................................................................... 4 3 General introduction ...................................................................................................... 5 3.1 Animal communication ........................................................................................... 5 3.2 Acoustic variability on the inter- and intra-species level ........................................ 6 3.3 Malagasy lemurs...................................................................................................... 8 3.4 Model species of nocturnal lemurs.......................................................................... 9 3.