Phil Cook wrote:
> Over the long term it has been stable

I'm not sure what you mean by "long term."  Is 10,000 years "long term"?

> (long-term) that we've been wiping out species and domesticating both 
> fauna and flora and carrying them with us; and look at the consequences. 

OK, so you're talking about pre-human evolution, apparently.

> Talk to some of the Australians here about the introduction of 
> non-native species to their country, 

Yes, because the Australians destroyed huge numbers of the native 
species, but that doesn't count. :-)

> I'm not saying we can't, and haven't, adapted to short-term alterations 
> what I'm saying is that logically our best chances of survival is to 
> maintain a system that we know we can survive in.

I'll grant you this is a possibility, if you can't easily steer the 
whole system.  I.e., this is true due to our ignorance of what would be 
better and how to get it there.  If we were in a more-controlled 
environment, it might not make sense.  Certainly a primitive lunar 
colony could figure out ways of radically reworking the environment to 
something more likely to long-term survival.

-- 
   Darren New / San Diego, CA, USA (PST)
     "That's pretty. Where's that?"
          "It's the Age of Channelwood."
     "We should go there on vacation some time."

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