[permaculture] Are we a weed?

Rick Valley bamboogrove at cmug.com
Wed Mar 26 15:36:16 EST 2003

> From: Toby Hemenway <hemenway at jeffnet.org>
> One reason for this, in addition to those I cited in my last post, is that
> counter-directional species usually travel alone, separate from their guilds

And another would be the thousands of years of human accelelerated
co-evolution in these agricultural ecologies. I mean, yow, oats originated
as a weed of wheat...
I recently ran across the theory that creosote bush successfully invaded N.
America an estimated 14K years ago. Now it covers a big piece of the
continent. So sometimes these invasions happen without human intervention.


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