Audio files from: High-frequency modulated signals of killer whales (Orcinus orca) in the North Pacific
Rattachement africain : us. Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
Killer whales in the North Pacific, similar to Atlantic populations, produce high-frequency modulated signals, based on acoustic recordings from ship-based hydrophone arrays and autonomous recorders at multiple locations. The median peak frequency of these signals ranged from 19.6–36.1 kHz and median duration ranged from 50–163 ms. Source levels were 185–193 dB peak-to-peak re: 1 μPa at 1 m. These uniform, repetitive, down-swept signals are similar to bat echolocation signals and possibly could have echolocation functionality. A large geographic range of occurrence suggests that different killer whale ecotypes may utilize these signals. Audio files with killer whale High Frequency Modulated (HFM) signals are included here, along with CSV files containing contours of HFM signals.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
Le contrôle bibliographique ouvert
Où se fait cette recherche
-
University of California San Diego pays non établi dans la noticeUniversité ou école supérieure
-
NOAA National Marine Fisheries Service pays non établi dans la noticeOrganisme public
-
NOAA National Marine Fisheries Service Pacific Islands Fisheries Science Center pays non établi dans la noticeOrganisme public
University of California San Diego, NOAA National Marine Fisheries Service et NOAA National Marine Fisheries Service Pacific Islands Fisheries Science Center.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.