ACOUSTIC DETECTION of BLUE and FIN WHALE
|Scripps Institution of Oceanography|
|University of California San Diego|
|Ana Sirovic, SIO|
|Sean Wiggins, SIO|
|Mark McDonald, Whale Acoustics Inc.|
|Sue Moore, NMML/PMEL NOAA|
|Deb Thiele, Deakin University, Australia|
|Ari Friedlaender, Duke University|
GENERAL ATTRIBUTES OF ACOUSTIC DETECTION
|Works day and night.|
|Independent of weather.|
|Monitors broad areas over long periods.|
|Provides information on populations|
Blue Whale Song Worldwide
Acoustic Recording Packages (ARPS)
|Continuous acoustic sampling at 500 Hz|
|Seafloor mooring; hydrophone suspended 5m above frame.|
|Calls recorded to hard disk for 12 months.|
ARP Deployment Sites
Recorded Whale Calls
Other Recorded Calls
Results: Site 1- Off Livingston Is.
Results: Site 2- Off Anvers Is.
Results: Site 3- Off Renaud Is.
Results: Site 4- Off Adelaide Is.
|Blue whales present year-round|
|peak calling in Jan - Feb|
|autumn -- more calling at northern sites|
|summer -- more calling at southern sites|
|peak calling in Apr - May|
|highest calling rates site 1&2|