cetacean species
The effects of acoustic misclassification on cetacean species abundance estimation
... a cetacean species using acoustic detection data, it is nec- essary to correctly identify the species that are ...automated species classifier with 100% correct classification rate for any ...
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Heterogeneity of myoglobin distribution in the locomotory muscles of five cetacean species
... offshore species in this study had, on average, significantly ...coastal species, which may be an adaptation for deeper, longer ...deep-water species had significantly higher muscle myoglobin ...
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Implications of tag positioning and performance on the analysis of cetacean movement
... rate is relatively low. Tag performance and tag placement can also lead to misinterpretation of behaviour, or misi- dentification of the occurrence of particular behaviour in space or time. The effect of tag performance ...
13
Cross-Reactivity between Immunoglobulin G Antibodies of Whales and Dolphins Correlates with Evolutionary Distance
... Growing morphological and molecular evidence indicates that the porpoises, dolphins, and whales evolved within the even-toed ungulates, formerly known as Artiodactyla. These animals are now grouped in the ...
8
Review of the mechanisms by which anthropogenic noise may cause cetacean strandings
... One obvious comparison to draw when considering DCS in cetaceans is with human divers. There is considerable experience and expertise in the effects of DCS in human divers, but even here there remain many unanswered ...
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Distribution, abundance and habitat use of deep diving cetaceans in the North East Atlantic
... diving cetacean species have been found to be affected by anthropogenic activities, with potential population impacts of high intensity sounds generated by naval research and oil prospecting receiving the ...
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Lift and drag performance of odontocete cetacean flippers
... each species. Cetacean flippers may be viewed as being analogous to modern engineered hydrofoils, which have hydrodynamic properties such as lift coefficient, drag coefficient and associated ...most ...
10
Global analysis of cetacean line transect surveys : detecting trends in cetacean density
... of species data deficient), but that they face higher threat levels relative to terrestrial mam- mals: an estimated 36% of marine mammal species were considered ...A species’ conservation status is ...
14
Cetacean abundance and distribution in European Atlantic shelf waters to inform conservation and management
... main species sighted in each block is given in Tables 2 and ...these species overlaid on the transects ...distributed species was harbour porpoise but there were few sightings south of ...Other ...
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Cetacean sightings, mixed-species assemblages and the easternmost record of Indopacetus pacificus from the northern Indian ocean
... the species involved. The first was of interest due to four species being in association with each other in a single ...Stenella species, Tursiops species and Globicephala species are ...
5
Cetacean morbillivirus : current knowledge and future directions
... gregarious species were found to be the likely reservoirs and sources of CeMV infection to susceptible species in the Atlantic and Pacific Oceans ...New species and lineages of CeMV have been ...
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Cetaceans have complex brains for complex cognition
... The cetacean neocortex surpasses in gyrifi cation all other mammals, including humans [61,62], as seen on panels A and B showing parasagittal sections through the brains of a bottlenose dolphin (A) and a humpback ...
7
First record of Burmeister’s porpoise (Phocoena spinipinnis) in the Falkland Islands (Malvinas)
... Threatened cetacean species, with a limited geographic range comprising the Pacific and Atlantic coastal temperate waters of five South American ...the species and expanding its known distribution ...
5
The face that sank the Essex: potential function of the spermaceti organ in aggression
... The literature provides estimates of the degree of sexual dimorphism in body length for a number of cetacean species (Table 1). To estimate relative melon size, we measured the lateral projected area of the ...
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Molecular Characterization of a Novel Gammaretrovirus in Killer Whales (Orcinus orca)
... multiple cetacean species by PCR for gag, pol, and env sequences showed homologs of this virus in the DNA of eight species of delphinids, pygmy and dwarf sperm whales, and harbor porpoises, but not ...
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Dose response severity functions for acoustic disturbance in cetaceans using recurrent event survival analysis
... different cetacean species, specifically looking at different acoustic stimuli (Kvadsheim et ...of species differences in sensitivity to sound, and the importance of context in influencing how ...
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Towards a Standardized Approach of Cetacean Habitat: Past Achievements and Future Directions
... same species (Table ...focus species is then defined afterwards depending upon what species were observed during ...and species (Table ...understand cetacean habitat use such as ...
23
Counting whales in a challenging, changing environment
... each cetacean sighting the following data was recorded: location, distance to trackline, species, group size, group composition, behavior, cue, swimming direction and reaction to the ...
6
Last whales: Eschatology, extinction, and the cetacean imaginary in Winton and Pash
... Nor is extinction unequivocal. Thus, while extinction is sometimes popularly framed as an abrupt end event, it is more often than not subject to longer processes that involve the gradual foreshortening of not just a ...
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Predictive models of cetacean distributions off the west coast of Scotland
... Secondly, seasonal changes in model selection were evaluated by building separate models for May and October. The analysis was restricted to the Faroe-Shetland Channel surveys since these had similar distribution of ...
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