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Telemetry test trials on the behaviour of sub‐adults of Acipenser naccarii reared in captivity and released into the River Po (Italy)

Telemetry test trials on the behaviour of sub‐adults of Acipenser naccarii reared in captivity... Bronzi, P.1, Garofalo E.1, Dalla Valle, Z.2, Battaglia, A 3, Ansferri, S.2 and Poggioli, C 3 1CESI spa, via Rubattino, 54, 20134 Milan (Italy); 2CIRSPE, via De’ Gigli d’Oro, 10, 00186 Rome; 3Provincia di Piacenza, Uff. Caccia e Pesca, Via Garibaldi, Piacenza Summary The aim of this project was to study the behavioural response and movement of artificially reproduced and reared fish after being released to open waters. Further, the possibility to track the migratory behaviour and site fidelity of these fish under the specific conditions of the River Po by using acoustic telemetry. Between the summers 2002 and 2004, 12 Adriatic sturgeons (A. naccarii), body weight from 11 to 26 kg, were released in the River Po at different times of the year, with acoustic transmitter fixed externally to the dorsal scutes. Seven releasing actions and 49 localization campaigns (one day each) have been carried out during the period over a stretch of about 63 km from Isola Serafini’s dam (releasing point) to Castel San Giovanni, of which 35 campaigns resulted in localization success. During the first hours, all fish stayed close to the releasing point, and successively moved upstream, some of them for several kilometres (up http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Ichthyology Wiley

Telemetry test trials on the behaviour of sub‐adults of Acipenser naccarii reared in captivity and released into the River Po (Italy)

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Publisher
Wiley
Copyright
Copyright © 2006 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0175-8659
eISSN
1439-0426
DOI
10.1111/j.1439-0426.2007.00944.x
Publisher site
See Article on Publisher Site

Abstract

Bronzi, P.1, Garofalo E.1, Dalla Valle, Z.2, Battaglia, A 3, Ansferri, S.2 and Poggioli, C 3 1CESI spa, via Rubattino, 54, 20134 Milan (Italy); 2CIRSPE, via De’ Gigli d’Oro, 10, 00186 Rome; 3Provincia di Piacenza, Uff. Caccia e Pesca, Via Garibaldi, Piacenza Summary The aim of this project was to study the behavioural response and movement of artificially reproduced and reared fish after being released to open waters. Further, the possibility to track the migratory behaviour and site fidelity of these fish under the specific conditions of the River Po by using acoustic telemetry. Between the summers 2002 and 2004, 12 Adriatic sturgeons (A. naccarii), body weight from 11 to 26 kg, were released in the River Po at different times of the year, with acoustic transmitter fixed externally to the dorsal scutes. Seven releasing actions and 49 localization campaigns (one day each) have been carried out during the period over a stretch of about 63 km from Isola Serafini’s dam (releasing point) to Castel San Giovanni, of which 35 campaigns resulted in localization success. During the first hours, all fish stayed close to the releasing point, and successively moved upstream, some of them for several kilometres (up

Journal

Journal of Applied Ichthyology – Wiley

Published: Dec 1, 2006

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