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Title

Controlled noise exposure experiments on Jellyfishes

AuthorsSolé, Marta; Lenoir, Marc; Fortuño Alós, José Manuel ; Durfort, Mercè; Van der Schaar, Mike; André, Michel
Issue Date13-May-2015
CitationTowards an Acoustically Sound Ocean : An International Conference and Exhibition on Ocean Noise. Abstract book: 88 (2015)
AbstractRecent findings on cephalopods showed that exposure to artificial noise had a direct consequence on the functionality and physiology of the statocyst, a sensory organ, which is responsible for their equilibrium and movements in the water column. Those previous experiments demonstrated the marine invertebrate sensitivity to sound exposure. Owing to a lack of available data on the pathological effects on statocyst of other species of invertebrates, we conducted noise exposure comparative experiments, including the use of a 50 – 400 Hz sweep (RL=157±5 dB re 1µPa with peak levels up to SPL=175 dB re 1 µPa) on two species of Scyphozoan medusa presents in the Mediterranean Sea, Cotylorhiza tuberculata (Cepheidae) and Rhizostoma pulmo (Rhizostomatidae). Scanning electron microscopy (SEM) revealed injuries in the statocyst sensory epithelium after exposure to sound. These lesions described are new to Cnidarians pathology. The extensive damage in the sensory epithelia, that were regionally severe, was quantified and compared over time
DescriptionTowards an Acoustically Sound Ocean : An International Conference and Exhibition on Ocean Noise (Oceanoise2015), 11-15 May, Vilanova I la Geltrú, Barcelona.-- 1 page
Publisher version (URL)http://oceanoise2015.com/?page_id=17
URIhttp://hdl.handle.net/10261/141015
Appears in Collections:(ICM) Comunicaciones congresos
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