1993-07-01

Biosphere 2: System Dynamics and Observations During the Initial Two-Year Closure Trial 932290

During the initial operation of Biosphere 2, there have been important variations in atmospheric composition, particularly a decline in oxygen concentration. Testing has confirmed a low leakage rate, supporting the theory that the atmospheric dynamics are attributable to internal processes. There are many aspects of Biosphere 2 under investigation which will serve to advance the understanding of ecosystem functioning and processes.

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