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…


Cetacean distribution in the southern Black Sea: An acoustic approach

Saydam, Gülce
Master's Thesis - Middle East Technical University (2015)

Large numbers of small cetaceans (common dolphin, harbor porpoises and bottlenose dolphins) were hunted in the Black Sea until the hunting of cetaceans was banned in Turkey in 1983. Even…


Decline towards extinction of Mexico’s vaquita porpoise (Phocoena sinus)

Jaramillo-Legorreta, Armando M.; Cardenas-Hinojosa, Gustavo; Nieto-Garcia, Edwyna; Rojas-Bracho, Lorenzo; Thomas, Len; Ver Hoef, Jay M.; Moore, Jeffrey; Taylor, Barbara; Barlow, Jay; Tregenza, Nicholas
Royal Society Open Science (2019)

The vaquita (Phocoena sinus) is a small porpoise endemic to Mexico. It is listed by IUCN as Critically Endangered because of unsustainable levels of bycatch in gillnets. The population has…


Last call: Passive acoustic monitoring shows continued rapid decline of critically endangered vaquita

Thomas, Len; Jaramillo-Legorreta, Armando; Cardenas-Hinojosa, Gustavo; Nieto-Garcia, Edwyna; Rojas-Bracho, Lorenzo; Ver Hoef, Jay M.; Moore, Jeffrey; Taylor, Barbara; Barlow, Jay; Tregenza, Nicholas
The Journal of the Acoustical Society of America (2017)

The vaquita is a critically endangered species of porpoise. It produces echolocation clicks, making it a good candidate for passive acoustic monitoring. A systematic grid of sensors has been deployed…


Population survey showing hope for population recovery of the critically endangered Yangtze finless porpoise

Huang, Jie; Mei, Zhigang; Chen, Mao; Han, Yi; Zhang, Xinqiao; Moore, Jeffrey E.; Zhao, Xiujiang; Hao, Yujiang; Wang, Kexiong; Wang, Ding
Biological Conservation (2020)

The Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis), has experienced rapid declines in recent decades. We estimate its abundance based on surveys conducted between November and December 2017 in the main-stem…


Habitat succession of the Yangtze finless porpoise in Poyang Lake under the changing hydrodynamic and feeding environment

Han, Yong; Sun, Zhiyu; Fang, Hongwei; Bai, Sen; Huang, Lei; He, Guojian
Ecological Modelling (2020)

Poyang Lake, located in the middle and lower reaches of the Yangtze River, is the largest freshwater lake in China and the most important habitat for the Yangtze finless porpoise.…


Abundance decline in the narrow‐ridged finless porpoise population off the Pacific coast of eastern Japan

Shirakihara, Kunio; Nakahara, Fumio; Shinohara, Masanori; Shirakihara, Miki; Hiramatsu, Kazuhiko; Irie, Takahiro
Population Ecology (2019)

The narrow‐ridged finless porpoise Neophocaena asiaeorientalis is a small‐toothed whale with a coastal habitat and is sensitive to human activity. Aerial sighting surveys were conducted in 2012 to evaluate the…