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International Bioacoustics Council (IBAC)

XV IBAC Symposium







Pavia, Italy, October 24-26, 1996

Organised by
Università degli Studi di Pavia
Centro Interdisciplinare di Bioacustica e Ricerche Ambientali
Ispettorato Centrale Difesa Mare del Ministero dell'Ambiente


Abstracts of the papers are also published in Bioacoustics 8:249-279

Conference location:
Università degli Studi di Pavia
Centro Interdisciplinare di Bioacustica e Ricerche Ambientali
Via Taramelli, 24 - 27100 PAVIA - Italy

Organizing staff:

Gianni Pavan(1,2), Marco Priano(1), Michele Manghi(1)

1 - Centro Interdisciplinare di Bioacustica e Ricerche Ambientali, Università di Pavia
2 - Dipartimento di Urbanistica, Istituto Universitario di Architettura di Venezia





Wednesday, 23 October 1996
Arrivals and registrations at the Centro Interdisciplinare di Bioacustica


Thursday, 24 October 1996

08:30 - 09:30 Late registrations
09:30 - 10:00 Conference opening
10:00 - 10:15 Patrick Sellar: Some words about the IBAC
10:15 - 10:30 Peter McGregor: The Journal Bioacoustics

Biodiversity and acoustic communication

10:30 - 11:00 Acoustic biodiversity in tropical cicadas: examples from S.E. Asia.
Matjia Gogala

11:00 - 11:40 Sound libraries have biodiversity taped. Richard Ranft


Underwater bioacoustics

14:00 - 14:30 Acoustic localizations of blue whales (Balaenoptera musculus) by fixed arrays and moored autonomous hydrophone arrays. Kathleen M. Stafford, Christopher G. Fox

14:30 - 15:00 Aversive sound and the harbour porpoise (Phocoena phocoena).
Goodson A. D., Connelly P. R., Lepper P.

15:00 - 15:30 Comparison of Swimbladder and Pectoral Sounds in Pimelodid, Mochokid and Doradid Catfish. Friedrich Ladich

15:30 - 16:00 Use of auditory brainstem response (ABR) for fish auditory sensitivity study. Hong Y. Yan, Todd N. Kenyon, Friedrich Ladich


Acoustic ecology & Behavioural aspects in acoustic communication: birds.

16:30 - 17:00 Communication networks in territorial songbirds. P.K. McGregor

17:00 - 17:30 Song - a reliable cue for male quality in the moustached warbler Acrocephalus melanopogon? Birgit Fessl, Herbert Hoi

17:30 - 18:00 Discrimination of the parental call by the king penguin chick Aptenodytes patagonicus: the "cocktail-party" effect. Thierry Aubin, Pierre Jouventin

18:00 - 18:30 Dialects in Ravens: New aspects of an old problem. Peter Enggist

18:30 - 19:00 Communication in Ravens: Again new aspects of an old problem. Ueli Pfister


Friday, 25 October 1996

Acoustic ecology & Behavioural aspects in acoustic communication: mammals.

09:00 - 09:30 Spectrographic analysis of cat vocalizations during the early months of life. Clotilde Trinchero, Cristina Giacoma, Roberto Ostellino

09:30 - 10:00 Subharmonics and frequency jumps in the vocalisation of Japanese macaques (Macaca fuscata). Tobias Riede

10:00 - 10:30 Vocalizations of captive ringtailed and ruffed lemurs: stability and mother offspring comparison. Clotilde Trinchero, Cristina Giacoma, Marco Gamba, Maura Ampollini

Acoustic ecology & Behavioural aspects in acoustic communication: amphibians.

11:00 - 11:30 The role of female choice in the evolution of the European green-toad advertisement call. Sergio Castellano, Cristina Giacoma

11:30 - 12:00 First record of the mating call of a burrowing frog from western Madagascar: Scaphiophryne brevis (Boulenger, 1896) (Anura: Microhylidae). Riccardo Jesu, Giovanni Schimmenti


Ultrasound and sound analysis methods

14:00 - 14:30 A bionic sonarhead. Herbert Peremans, Ashley Walker and John Hallam

14:30 - 15:00 Ultrasonic vocalizations during heterosexual encounters in mice. Mazzacane E., D'Amato F.R.

15:00 - 15:30 Sonographic characterization of ultrasonic vocalizations emitted by infant laboratory mice. Igor Branchi, Daniela Santucci, Augusto Vitale, Enrico Alleva

16:00 - 17:00 Poster Discussion

17:00 - 19:00 Informal discussion group. Chairman: Richard Ranft "audio copyright and licensing, and preserving of sound quality in publications", proposed by Sten Wahlström.
"Reliability of DAT recorders and DAT tapes", proposed by Matija Gogala.

Social Dinner


Saturday, 26 October 1996

09:00 - 10:30 Poster Discussion

10:30 - 11:30 Technical Demonstrations

Sound and ultrasound acquisition and analysis. Technical demonstration. Gianni Pavan, Michele Manghi

11:45 - 12:30 IBAC AGM


14:00 - 18:00 Excursion, depending on the weather conditions; visit to the "Certosa di Pavia"


Sunday, 27 October 1996




XV Abstracts

List of participants

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