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Re: impact of noise on bats

Subject: Re: impact of noise on bats
From: "Bernie Krause" bigchirp1
Date: Fri Nov 14, 2008 6:42 am ((PST))
Got some considerable stuff on large mammals, frogs and insects, but  
not bats, Gianni. This is probably because, except for the high whine  
of jet engines and some turbines (that tend to disperse the greater  
the distance from the source and is more typically industrial noise  
generated in enclosed spaces) there isn't a whole lot of anthrophony  
(human noise) that extends out into bat ultrasonic range. Recent  
recordings I've made with distant traffic and aircraft (both light and  
commercial) haven't shown much, if any, impact for those reasons, most  
likely. These are either hoary or Myotis.


On Nov 14, 2008, at 12:31 AM, Gianni Pavan wrote:

> hi all,
> lately I'm getting interested in the impact of noise on natural
> habitats. Effects of noise on birds and frogs is known.
> But what about bats ? Please let me know if you have any info or
> literature reference about the topic.
> Gianni
> ----------------------------------------------------------
> Gianni Pavan
> Centro Interdisciplinare di Bioacustica e Ricerche Ambientali
> Universita' degli Studi di Pavia, Via Taramelli 24, 27100 PAVIA,  
> Phone  +39-0382-987874 Fax +39-02-700-32921
> Email  
> Web
> ----------------------------------------------------------

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