Behaviour and physiological effects of transmitter attachments on a captive harbour porpoise (Phocoena phocoena)

Geertsen, B. M.; Teilmann, J.; Kastelein, R. A.; Vlemmix, H. N. J.; Miller, L. A.
Journal of Cetacean Research and Management (2004)

A captive harbour porpoise (Phocoena phocoena) was monitored for 80 consecutive days, 10 days before attachment of a satellite dive recorder and a VHF-radio tag, 30 days during attachment and…


New stereo acoustic data logger for free-ranging dolphins and porpoises

Akamatsu, Tomonari; Matsuda, Akihiko; Suzuki, Shiro; Wang, Ding; Wang, Kexiong; Suzuki, Michihiko; Muramoto, Hiroyuki; Sugiyama, Naoki; Oota, Katsunori
Marine Technology Society Journal (2005)

To observe the bio-sonar behavior of dolphins and porpoises, a miniature stereo acoustic data logger was developed to record the echolocation clicks of small cetaceans. The 'A-tag' device is small…