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Sound emission and reception tuning in three cicada species sharing the same habitat

Sueur, Jerome and Windmill, James F.C. and Robert, Daniel and , Company of Biologists (Funder) and , British Council (Paris) (Funder) (2010) Sound emission and reception tuning in three cicada species sharing the same habitat. Journal of the Acoustical Society of America, 127 (3). pp. 1681-1688. ISSN 0001-4966

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Abstract

Many animal species acoustically communicate at the same place and time generating complex acoustic environments. However, the acoustic parameter space is usually structured, with each species emitting identifiable signals. While signal partitioning has been reported, very few analyses include the mechanical spectral response of auditory organs. The loud chorus generated by three cicadas (Cicada orni, Cicadatra atra, and Lyristes plebejus) was studied. The vibration pattern of L. plebejus shows traveling waves as previously observed in Ctra. atra. The spectral properties of both calling songs and tympanal auditory systems primarily indicate that each species uses its own frequency band. Male tympanal membranes (TMs) are tuned to their own song's dominant frequency, except for C. orni, which is sensitive to the lowest frequency band of its song. In contrast, female TMs are broadly tuned to the male songs. Ctra. atra females differ by tuning to frequencies slightly higher than the male song. Hence, acoustic space partitioning occurs for both emitter and receiver, but does not seem to fully preclude interference risk as some spectral overlap exists. In addition to the local physical ecology of each species, selective attention to conspecific signals is likely to be enhanced by further mechanical and neuronal processing.

Item type: Article
ID code: 25762
Keywords: sound emission, sound reception, cicadas, biocommunications, vibrations, ear, hearing, Electrical engineering. Electronics Nuclear engineering, Biology, Acoustics and Ultrasonics
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Science > Natural history > Biology
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
    Depositing user: Dr James Windmill
    Date Deposited: 02 Jul 2010 09:59
    Last modified: 11 Jul 2014 05:03
    URI: http://strathprints.strath.ac.uk/id/eprint/25762

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