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RE: [GZG] Biology in a vacuum

From: <Beth.Fulton@c...>
Date: Thu, 30 Mar 2006 11:35:45 +1100
Subject: RE: [GZG] Biology in a vacuum

G'day,

> It's off-topic, but have you seen anything on whales getting the
bends?	The article I saw 
> theorized high power sonar was scaring them causing them to surface
too quickly.

Yep, its been an issue for many years now. Sonar is one possibility
(more strongly supported in some cases than others), just general noise
pollution causing disorientation is another, pollutant effects on
behaviour (effectively the poisoning creating a narcosis state that
causes "irrational" behaviour or even biochemical failures) are some
other potential causes. There is probably more than one answer given it
has been seen at a variety of locations (not all of which can be tagged
as having naval activity in the area at the time) and in a range of
species. 

Cheers

Beth

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