Re: NANFA-- Closed Aquarium System
Sat, 22 May 2004 08:02:37 EDT

In a message dated 5/21/2004 11:36:37 PM Eastern Standard Time, writes:
> Thinking about this ecosystem concept -- Is it possible to actually
> create a closed, self-cleaning system?
> So far we haven't been able to create a closed ecosystem for extended
> periods of time. For example, Biosphere II failed.
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