On Mon, 11 Feb 2008 12:56:27 CST, "Reel McKoi"
wrote:

The only thing that concerns me if we leave them to
nature is the mosquitoes and dangerous snapping turtles that infest
un-netted ponds here.

I've never dealt with snapping turtles, but you have a good
imagination, I'm sure you will work that out. As far as mosquitoes,
more of them in my area come from pockets of moisture in vegetation
than ponds and puddles.
--
Hal Middle Georgia, Zone 8
http://tinyurl.com/2fxzcb