Seasonal changes in the local distribution of Yangtze finless porpoises related to fish presence

Kimura, Satoko; Akamatsu, Tomonari; Li, Songhai; Dong, Lijun; Wang, Kexiong; Wang, Ding; Arai, Nobuaki
Marine Mammal Science (2011)

The Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis) is an endangered freshwater porpoise subspecies unique to the Yangtze River basin. Seasonal variations in local distribution of the animal, as well as…


Effect of the sound generated by an acoustic harassment device on the relative abundance and distribution of harbor porpoises (Phocoena phocoena) in Retreat Passage, British Columbia

Olesiuk, Peter F.; Nichol, Linda M.; Sowden, Margaret J.; Ford, John K. B.
Marine Mammal Sci (2002)

We describe an experiment conducted to assess the impact of the sound generated by an acoustic harassment device (AHD) on the relative abundance and distribution of harbor porpoises (Phocoena phocoena)…