Marine Mammal Sci (2000)
(...) Amano and Miyazaki (1996) found a geographic difference in the size of the white flank patch among dalli-type animals and reported that porpoises from the Sea of Japan-Okhotsk population…
Osteological variation in the spectacled porpoise (Phocoena dioptrica)
Perrin, William F.; Goodall, R. Natalie P.; Cozzuol, Mario A.
Journal of Cetacean Research and Management (2000)
Cranial and post-cranial variation is described for a large series of specimens of spectacled porpoise from Argentina and compared with that for specimens from other areas of the Southern Hemisphere.…
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…
Sperm morphology and morphometry of Burmeister’s porpoise (Phocoena spinipinnis)
Beilis, Adela; Cetica, P.; Merani, M. S.
Marine Mammal Sci (2000)
(...) Burmeister's porpoise inhabits temperate waters of South America, from Tierra del Fuego to Rio de la Plata (Uruguay) on the Atlantic coast, and from Tierra del Fuego to Paita…
Experimental testing of acoustic alarms (pingers) to reduce bycatch of harbour porpoise, Phocoena phocoena, in the state of Washington
Gearin, P. J.; Gosho, M. E.; Laake, J. L.; Cooke, L.; DeLong, R. L.; Hughes, K. M.
Journal of Cetacean Research and Management (2000)
Field tests were conducted on the effectiveness of acoustic alarms (pingers) in reducing the incidental catch of harbour porpoise (Phocoena phocoena) in a salmon gillnet fishery in northern Washington in…
Harbor porpoise (Phocoena phocoena) abundance in Alaska: Bristol Bay to southeast Alaska, 1991-1993
Dahlheim, M.; York, A.; Towell, R.; Waite, J.; Breiwick, J.
Marine Mammal Sci (2000)
Between 1991 and 1993, Alaska harbor porpoise (Phocoena phocoena) abundance was investigated during aerial surveys throughout much of the coastal and offshore waters from Bristol Bay in the eastern Bering…
The use of time/area closures to reduce bycatches of harbour porpoises: lessons from the Gulf of Maine sink gillnet fishery
Murray, K. T.; Read, A. J.; Solow, A. R.;
Journal of Cetacean Research and Management (2000)
In 1994, the United States National Marine Fisheries Service (NMFS) implemented a series of time/area closures for the Gulf of Maine sink gillnet fishery to reduce the bycatch of harbour…
A new abundance estimate for vaquitas: First step for recovery
Jaramillo-Legorreta, Armando M.; Rojas-Bracho, Lorenzo; Gerrodette, Tim
Marine Mammal Sci (1999)
A line-transect survey specifically designed to estimate vaquita (Phocoena sinus) abundance over its entire range was carried out by three boats in the summer of 1997. There was a total…
Mitochondrial DNA variation in the critically endangered vaquita Phocoena sinus Norris and MacFarland, 1958
Rosel, Patricia E.; Rojas-Bracho, Lorenzo
Marine Mammal Sci (1999)
The vaquita, Phocoena sinus, is one of two critically endangered cetacean species, and is listed as an endangered species in both the United States and Mexico. These listings result from…
Marine mammal sensory systems
Wartzok, D.; Ketten, D. R.
Biology of Marine Mammals (1999)
(...) In this chapter, we discuss marine mammal audition, vision, chemoreception, tactile sensation, and magnetic detection. We begin with an overview of the basic aspects of sensory receptor systems, and…