Marine Mammal Sci (1997)
The abundance of the only population of vaquitas, Gulf of California harbor porpoise (Phocoena sinus), is estimated from four surveys conducted in Mexico between 1986 and 1993, using a variety…
Assessing the population structure of the harbor porpoise (Phocoena phocoena) by discriminant analysis
Tolley, Krystal A.
Marine Mammal Sci (1998)
(...) Gaskin (1984, 1992) suggested that harbor porpoises in the northwestern Atlantic are partitioned into three subpopulations: Bay of Fundy/Gulf of Maine, Eastern Newfoundland, and Gulf of St. Lawrence (see…
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…
The effects of acoustic alarms on the behavior of harbor porpoises (Phocoena phocoena) in a floating pen
Kastelein, R. A.; Rippe, H. T.; Vaughan, N.; Schooneman, N. M.; Verboom, W. C.; De Haan, D.
Marine Mammal Sci (2000)
In an attempt to test the effectiveness of sounds in deterring harbor porpoises from nets and reducing porpoise bycatch in gill net fisheries, two harbor porpoises, kept in a large…
Diurnal and tidal variations in habitat use of the harbour porpoise (Phocoena phocoena) in southwest Britain
Goodwin, Lissa
Aquatic Mammals (2008)
With the United Kingdom required to designate Special Areas of Conservation (SACs) under Natura 2000 by 2012, it is important to understand site-specific activity and habitat use in order to…
Behavioral responses of a Harbor porpoise (Phocoena phocoena) to 25-kHz FM sonar signals
Kastelein, Ronald A.; van den Belt, Ivanka; Helder-Hoek, Lean; Gransier, Robin; Johansson, Torbjörn
Aquatic Mammals (2015)
The effects of three sonar sound types (peak frequency ca. 25 kHz with high-frequency side bands at 71 and 121 kHz) on the behavior of a harbor porpoise (Phocoena phocoena)…
Records of harbour porpoises (Phocoena phocoena) in fishing nets during the interwar period in Poland: Verification of archival materials
Psuty, Iwona
Aquatic Mammals (2013)
The Polish fisheries administration registered incidents of harbour porpoises caught by fishermen from fishing bases within the country's borders between 1922 and 1938. These data are unique in the Baltic…
The development of spatial positions between mother and calf of Yangtze finless porpoises (Neophocaena asiaeorientalis asiaeorientalis) maintained in captive and seminatural environments
Xian, Yijie; Wang, Kexiong; Jiang, Wenhua; Zheng, Bangyou; Wang, Ding
Aquatic Mammals (2012)
For many toothed whales, two predominant and multifunctional spatial positions occur between a mother/calf pair after birth: (1) the echelon position and (2) the infant position. Other nonpredominant positions also…
New advances on population status and protective measures of Lipotes vexillifer and Neophocaena phocaenoides in the Changjiang River
Renjun, L.
Aquatic Mammals (1991)
This paper reports the population status of the endangered Chinese River dolphin - Lipotes vexillifer, the factors causing the population decline of Lipotes and protective measures adopted in recent years,…
A review of acoustic surveys and conservations actions for the vaquita
JARAMILLO-LEGORRETA, A.; ROJAS-BRACHO, L.; URBAN, J.
Scientific Committee Meeting Documents (2005)
In the first part of this report we present our results, so far, derived from the application of passive acoustic techniques to study the habitat use of vaquita. In the…