sorry for the offlist reply...

with the use of qgis, here is a similar problem (georeferencing image) found
on the qgis user forum.
there are several messages in this thread. hopefully you will find some
direction here.
http://lists.osgeo.org/pipermail/qgis-user/2011-October/013911.html

On Tue, Oct 18, 2011 at 11:16 AM, GodinA <godina@dal.ca> wrote:

> Hummm...
> Thank you Marcelino, I agree with you, this dataset isn't a clear
> stochastic
> point process per se, however I'm wondering if I can still treat it as
> such,
> acknowledging the limitations. Would love hearing people comments.
> I will look at the dismo package.
> On a slightly different note, would you have any recommendations or
> suggestions on the best approach to georeference my strata from this map?
> Thank you again, much appreciated!
> Cheers,
> ~Aurelie
>
>
>
> -----
> Aurelie Cosandey-Godin
> Ph.D. Student, Department of Biology, Dalhousie University
> Industrial Graduate Fellow, WWF-Canada
> Email: godina@dal.ca | Web: wormlab.biology.dal.ca
>
> --
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