In article <517p04$j4l at mel.hargray.com>, "Sally D. Dionne"
<salid at mail.hargray.com> wrote:
>>rjones at TRENTU.CA (Roger Jones) wrote:
> >I am trying to find out the cause of what appears to be a film of "oil"
> >on water draining from waterlogged or "boggy" soil.
It tends to occur on our lakes in the least oxygenated backwaters. I have
always described as it as a bloom of iron bacteria gaining oxygen by the
reduction of ferric ions part of the hypertrophication process- don't know
if I am right but remember something from university (eons ago!)
Canterbury Environmental Education Centre
_ _ _ _ _ _
| \ |_)|_| /__/ \|\ ||_| \ /
|_/ | \| | \_/\_/| \|| |_ | ...A snowflake in an avalanche
never feels responsible .....