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[APD] Re: Aquatic-Plants Digest, Vol 14, Issue 38

>referring to your earlier posting on "trace metals and  o2 respiration in plants" can you tell us a 
>little more about how very high o2 levels might have negative effects on aquatic plants?


O2 hurts the algae pretty much like it does the plants, both have mechanisms for deal with high O2 levels but these levels can be exceeded/harmful in some cases. 
See "Photorespiration".
And Oxygenase activity in Rubisco.
My Dept Chair discovered this dual activity in Rubisco. 

Tom Barr 
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