[MARMAM] Behavioral Response Study (BRS) -- 2007 cruise report summary

Brandon Southall Brandon.Southall at noaa.gov
Mon Nov 26 05:38:10 PST 2007


I am re-sending this because it has not yet posted on MARMAM since I 
sent it a week ago and I am leaving the country for 10 days.  I'd like 
to make sure it gets posted, so I am re-sending before I go.  Our team 
appreciates you making this information available to MARMAM subscribers.

Brandon Southall

Brandon Southall wrote:

> All,
> This summer, a series of experiments to study deep-diving cetaceans 
> was conducted in the Tongue of the Ocean, just off Andros Island in 
> the Bahamas.  In addition to extensive photo-identification efforts, 
> specialized archival tags ("D-tags" from Woods Hole Oceanographic 
> Institution) were deployed on both Blainville's beaked whales 
> (Mesoplodon densirostris) and short-finned pilot whales (Globicephala 
> macrorhynchus) to determine baseline diving, foraging, and social 
> behavior.  Using careful protocols and monitoring, controlled sound 
> exposures were used in two occassions to obtain detailed information 
> regarding the behavioral reactions of these species to both natural 
> and artificial sounds in the mid-frequency (1-10 kHz) band.  The 
> initial results, while admittedly limited in several regards, 
> demonstrate that these kinds of established procedures can be applied 
> safely to deep-diving cetaceans using mid-frequency sounds and yield 
> detailed information about behavioral responses.
> The BRS scientific team has prepared a short cruise report summary for 
> BRS-07 that is now publically available at: 
> <http://www.nmfs.noaa.gov/pr/acoustics/brs-07.htm>  Please note that 
> this is not a peer-reviewed document and is not intended for 
> citation.  It is simply a summary of the results of the first phase of 
> BRS at a relatively early stage of analysis.  Additional analyses are 
> underway and results will be subjected to the scientific peer-review 
> process in due course.  A complete cruise report will be available, on 
> request, at a later point.  Anyone interested in the initial results 
> should contact the contributing scientists on the BRS team for 
> permission and direction regarding appropriate referencing of 
> information in the interim.
> Regards,
> Brandon Southall (principal investigator)
>     on behalf of the BRS core science team:
> Ian Boyd
> Christopher Clark
> Peter Tyack
> Diane Claridge
>Brandon L. Southall, Ph.D.
>Director, NOAA Ocean Acoustics Program
>National Marine Fisheries Service
>Office of Science and Technology
>1315 East West Hwy, SSMC III #12539
>Silver Spring, MD 20910-6233
>Brandon.Southall at noaa.gov
>301-713-2363 x163 (office)
>301-713-1875 (FAX)

Brandon L. Southall, Ph.D.
Director, NOAA Ocean Acoustics Program
National Marine Fisheries Service
Office of Science and Technology
1315 East West Hwy, SSMC III #12539
Silver Spring, MD 20910-6233
Brandon.Southall at noaa.gov
301-713-2363 x163 (office)
301-713-1875 (FAX)

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