Aquatic Mammals (1976)
Abstract currently unavailable
Abstract currently unavailable
A pilot study has been carried out in order to obtain information on the observational problems encountered in studying the harbour porpoise (Phocoena phocoena) in the wild. It is concluded…
Besides the already known low‐frequency components of the Phocoena echolocation pulse, a narrow‐band pulse of 0.1‐msec duration, with the main energy between 110 and 150 kHz and a source level…
The Dall porpoise Phocoenoides dalli is common in south central California waters from October through June. During the summer months it is not commonly found farther south than about 35°.…
(...) Some of the observations mentioned in this paper have been made at sea, on board the oceanographic vessel Calypso, put at our disposal by a special committee of the…