Re: Measuring carnivore population with Zn-65

[Jim Graham <jgram@lamar.colostate.edu>]

Dick King wrote:

>   Date: Thu, 25 Nov 1999 17:44:45 +0100
>   From: CCONTE@correu.gencat.es
>   To: <radsafe@romulus.ehs.uiuc.edu>
>   Subject: Measuring carnivore population with Zn-65
>   Message-ID: <0056510004100008000002L182*@MHS>
>
>   Does anyone of you know anything about the mesure of little carnivore
>   populations with a method which involves catching one or more individuals from a
>   population and injecting them with the isotope Zn-65?
>
>   Any help will be apreciatted.
>
>   Carmen Conte
>   SCAR - Generalitat de Catalunya
>   cconte@correu.gencat.es
>
> You capture and inject say 100 individuals, and let them go.  Then you come
> back a month later and capture 100 individuals.  If, say, 10% of the
> individuals from the second population are tagged then the total population is
> 100 / 10% = 1000, over the relevant area of mixing.
>
> -dk
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You might try to get a book called Capture, Recapture. I don't have the referance in
front of me, but I think it was published through LANL. It addresses this for animals
that are tagged and several different ways to determine population density depending
on capture and recapture methods.
--
James C. Graham - Radiation Safety Officer
Environmental Health Services
Colorado State University
Fort Collins, Colorado 80523-6021
Off: 970-491-3736  Fax: 970-491-4804
jgram@lamar.colostate.edu


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