Harbor porpoise (Phocoena phocoena) recovery in the inland waters of Washington: Estimates of density and abundance from aerial surveys, 2013–2015

Jefferson, Thomas A.; Smultea, Mari A.; Courbis, Sarah S.; Campbell, Gregory S.
Canadian Journal of Zoology (2016)

The harbor porpoise (Phocoena phocoena (L., 1758)) used to be common in Puget Sound, Washington, but virtually disappeared from these waters by the 1970s. We conducted systematic aerial line-transect surveys…


Status and conservation of the Yangtze finless porpoise

Wang, Ding; Liu, Renjun; Zhang, Xianfeng; Yang, Jian; Wei, Zhuo; Zhao, Qingzhong; Wang, Xiaoqiang
Biology and Conservation of Freshwater Cetaceans in Asia (2000)

During 1991–1997, five and three surveys were conducted in the middle and lower reaches, respectively, of the Yangtze River. The target species of the surveys included both the baiji (Lipotes…


Habitat preferences and interannual variability in occurrence of the harbour porpoise Phocoena phocoena off northwest Scotland

Marubini, F.; Gimona, A.; Evans, P. G. H.; Wright, P. J.; Pierce, G. J.
Marine Ecology Progress Series (2009)

The harbour porpoise Phocoena phocoena is the most common cetacean around the British Isles, but knowledge of its ecology, habitat preferences and inter-annual variability is still inadequate. Here, sightings collected…