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Behavioral responses of humpback whales, Megaptera novaeangliae (Cetacea: Balaenopteridae), to satellite transmitter deployment procedures Rev. Bras. Zool.
Alves,Luiz Cláudio P. de S.; Moreira,Sérgio; Simões-Lopes,Paulo C.; Andriolo,Artur.
Tagging whales with implantable satellite transmitters creates the possibility of disturbing the animals. Between 2003 and 2005, behavioral observations of humpback whales during tag deployment operations were conducted off the coast of Brazil from the flying bridge of a speedboat. The speed achieved by each whale during pursuit was registered by GPS receivers onboard two inflatable zodiac boats. Respiratory frequencies were significantly lower (n = 15, p < 0.05) before (mean = 0.89 ± 0.06 blows/min) compared with after (1.39 ± 0.15) tagging. The same effect was observed for the speed of each animal (mean = 10.96 ± 0.44 km/h and 12.54 ± 0.57 km/h; n = 13, p < 0.05). Both variables were positively correlated with the duration of the pursuit (n = 21, r...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Behavior; Respiratory frequency; Satellite telemetry.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100001
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