IN scenarios such as the bald eagle, would it not seem prudent that canada and the US discuss the animal's status before either one removed it from the ESA? Is this done currently? Seems like they should!
On Sat, September 1, 2007 4:47 am, William Silvert wrote: > One interesting example of source-sink management is the bald eagle. > Despite > the fact that it is the US national bird, the US is a sink for this > species, > and bald eagles are imported from Canada. > > But I know of no neutral ground between the US and Canada! > > Bill Silvert > > ----- Original Message ----- > From: "WENDEE HOLTCAMP" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Friday, August 31, 2007 11:57 PM > Subject: mountain lions/source sink management > > >>I am working on an article on mountain lions, in a place where attitudes >>and >> opinions about them are pretty heated (TX). One source mentioned that in >> other states that there are "source sink" models of management and this >> sounded like a really interesting idea. Basically you have areas that >> provide a source of the mountain lions (such as protected national >> parks), >> sinks such as working ranches that tend to kill mountain lions, and then >> the >> idea is also that the areas between the source and the sink are >> "neutral" >> so >> that they can harbor some of the expanding source populations but buffer >> them from the sinks. >> >> Does anyone here have personal experience working with a mountain lion >> population following a source-sink model in a management setting? Or >> alternatively has anyone worked on models of this type of management? >> Feel >> free to send along others' contact info or to forward my email. > Malcolm L. McCallum Assistant Professor of Biology Editor Herpetological Conservationa and Biology [EMAIL PROTECTED] [EMAIL PROTECTED]
