نتایج جستجو برای: grampus
تعداد نتایج: 103 فیلتر نتایج به سال:
چکیده ندارد.
Fatal disseminated toxoplasmosis was diagnosed in a Risso's dolphin (Grampus griseus) dam and its fetus on the basis of pathologic findings, immunohistochemistry, and structure of the parasite. The dolphin was stranded alive on the Spanish Mediterranean coast and died a few hours later. At necropsy the dam was in good condition. From the standpoint of pathology, however, it had generalized lymp...
Marine mammal identification and classification for passive acoustic monitoring remain a challenging task. Mainly the interspecific intraspecific variations in calls within species among different individuals of single make it more challenging. Varieties along with geographical diversity induce complications towards an accurate analysis marine using signatures. Prior methods focused on spectral...
Geographical and temporal trends in echolocation clicking activity can lead to insights into the foraging and migratory behaviors of pelagic dolphins. Using autonomous acoustic recording packages, the geographical, diel, and seasonal patterns of Risso's dolphin (Grampus griseus) echolocation click activity are described for six locations in the Southern California Bight between 2005 and 2007. R...
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