期刊
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
卷 145, 期 6, 页码 EL534-EL540出版社
ACOUSTICAL SOC AMER AMER INST PHYSICS
DOI: 10.1121/1.5111970
关键词
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资金
- Jupiter Research Foundation
Humpback whales migrate in winter from northern feeding grounds to geographically separate breeding assemblies in near-shore waters of Mexico and Hawaii. Currently assessed as distinct populations warranting separate management, their shared song composition and interchange of photo-identified whales question this paradigm. To investigate a potential connection an autonomous Wave Glider performed a 6965.5km, 100-day (round trip) acoustic survey from Hawaii toward Mexico circa 20 degrees N, from January 15 to April 25, 2018. The 2272h of recordings included humpback whale calls to approximately midway from Hawaii to Mexico. Explanations include an undocumented migration route, offshore assembly, or mid-season travel between assemblies.
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