The Indian Ocean Sanctuary was established in 1979 in an effort to allow exploited stocks of whales to recover from whaling and to facilitate benign research. Further information is required to establish comprehensive management and conservation measures for species within these waters. The current study took place in the offshore waters of Sri Lanka in early 2003. During three research cruises...

This paper reports the findings of a project (Cetacean Conservation Pakistan) launched in 2004 with view to: (a) undertaking quantitative surveys to determine variety and abundance species present; (b) working local fisher communities collate knowledge promote public awareness; (c) promoting marine cetacean conservation strategy measures. Boat-based for live animals shore beachcast specimens ha...

The distribution of wide-ranging cetacean species often cross national or jurisdictional boundaries, which creates challenges for monitoring populations and managing anthropogenic impacts, especially if data are only available a portion the species’ range. Many found off U.S. West Coast known to have continuous distributions into Mexican waters, with highly variable abundance within their This ...

Twenty-eight odontocete species were identified as occupying sub-Antarctic and Antarctic habitat covered by the 1994 IWC-established Southern Ocean Sanctuary. Toothed whales evidently play an important part in polar ecosystem. Twenty-two are autochthonous showing a regular, apparently year-round, presence Sanctuary: Physeter macrocephalus, Kogia breviceps, Orcinus orca, Globicephala melas edwar...

Se informan las abundancias y densidades relativas de delfínidos en el norte Chile (18°30’S-70°27’W; 25°23’S-72°53’W) entre marzo diciembre 2000, mediante 99 transectos franjas (longitud 31,7-162,4 km; media 95,26 ± 22,14 km). avistaron 5.841 individuos correspondientes a 8 especies. La abundancia relativa especies general, presentó un máximo principal 23°-23°59´S (0,48 ind/km) secundario 19°-1...

Glial cells (astrocytes and oligodendrocytes) play a fundamental role in many brain functions such as propagation of axon potential, integration of neuronal inputs, modulation of synaptic activity and synaptic strength, modulation of glucose metabolism and extracellular ion concentrations, as well as regulation of synaptogenesis and neurogenesis. Glial cell dysfunction is involved in many neuro...

A species classifier is presented which decides whether or not short groups of clicks are produced by one or more individuals from the following species: Blainville’s beaked whales, short-finned pilot whales, and Risso’s dolphins. The system locates individual clicks using the Teager energy operator and then constructs feature vectors for these clicks using cepstral analysis. Two different type...

We investigated the aggregative response of marine birds and cetaceans to bathymetric features in central California over 4 years, 1996–1997 and 2001–2002. A total of 1700 km of ocean habitat was surveyed over six cruises. We considered the distribution of the most abundant marine birds and mammals in relation to bathymetry. We focused our analyses on eight focal taxa: Cassin’s auklet (Ptychora...

Mead James G. Anatomy of the External Nasal Passages and Facial Complex in the Delphinidae (Mammalia: Cetacea). Smithsonian Contributions to Zoology, number 207, 72 pages, 26 figures, 3 tables, 1975.—This study is concerned with the comparative anatomy of the external nasal passages and associated structures in delphinid odontocetes. It has been possible to assemble detailed anatomical informat...