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Re: NFC: Fw: Yes, please help me.
Dazzle, at what depth does the water become anoxic?
> This brings up an interesting question. For my whole life, I assumed that
> deep water in lakes was a cool refuge for fish in the summer. However,
> last semester, when I took limnology, I was taught that the deep wter in
> lakes (below the thermocline where it is cool) has virtually no oxygen.
> Lab testing backed this up. So, according to this, a shallow lake would
> not be at a disadvantage to a deep lake in the summer. In fact, when
> lakes turn over in spring and fall, deep lakes often experience fish kills
> due to the mixing of the oxygen-poor deep water with the rest of the lake.
> Now, I am far from an expert on this, so I will gladly accept
> comments/questions/criticizms. What does everybody think?
FWIW, David
Prost,
Martin
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Greater American Freshwater Fishes Resource Site (GAFFeRs): http://www.localink4.com/~archimedes/
"Fie on thee, fellow! Whence come these fishes?" - Scheherazade
"Any fish with good teeth is liable to use them." - Wm. T. Innes
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