[CINC] Whales and the bends

[Shauna Bingham]

I am forwarding this message from Cascadia about this topic

Yes there is growing indication of behavioral response to sonar resulting
in decompression related injury being the likely mechanism of injury to
deep diving marine mammals like beaked whale that have stranded associated
with Navy exercises. We have not had direct indication of these types o
strandings in S California although our recent studies on behavioral
response have indicated that a variety of species including blue whales do
react to fairly low received levels of sonar sounds. See SOCAL-BRS
information at http://sea-inc.net/socal-brs/****

** **

** **

Best,****

John Calambokidis****

Research Biologist****

Cascadia Research****

218 1/2 W 4th Ave****

Olympia, WA 98501****

Email: Calambokidis at cascadiaresearch.org****

Phone: 360-943-7325 ext 104****

www.cascadiaresearch.org

On Wed, Apr 4, 2012 at 2:20 PM, Catherine French <cfrench1366 at aol.com>wrote:

> FYI: John is currently doing a study for the Navy on the subject near San
> Nicolas.
>
> Calm seas,
>
> Catherine French
>
> Writer, naturalist, mentor
> 805.570.0432
> To own is to have; to share with friends, is to enjoy.
>
>
> On Apr 4, 2012, at 1:11 PM, Ken Macdonald <macdonald at geol.ucsb.edu> wrote:
>
> Awhile back, Calambokidis (sp?) speculated that Navy sonars and other loud
> sounds might adversely affect some whales, not so much because of the
> direct sound energy, but because they might flee, changing depth too
> rapidly, thus getting the bends.  With all the Navy sonar activity in
> southern CA waters, this may be relevant to some of the whales we see.
>  Woods Hole researchers now have some direct evidence supporting this idea:
>  *http://www.whoi.edu/oceanus/viewArticle.do?id=133791&sectionid=1021
> *
>
>  _______________________________________________
> Channel_islands_naturalist_corps mailing list
> Channel_islands_naturalist_corps at rain.org
> http://www.rain.org/mailman/listinfo/channel_islands_naturalist_corps
>
> _______________________________________________
> Channel_islands_naturalist_corps mailing list
> Channel_islands_naturalist_corps at rain.org
> http://www.rain.org/mailman/listinfo/channel_islands_naturalist_corps
>
>


-- 
Shauna Bingham
Channel Islands National Marine Sanctuary
113 Harbor Way, Suite 150
Santa Barbara, CA 93109
805-884-1460
805-568-1582 (fax)
http://channelislands.noaa.gov/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.rain.org/pipermail/channel_islands_naturalist_corps/attachments/20120405/70fe25be/attachment.html>