woensdag 3 oktober 2012

2012-10-02 19:55 hbos SETL H135 growth after 5 days!!

Weather : sheep clouds / SSW wind 4 bft / Rain 0.05 mm / 1011.9 hpa
Divers : John, Thijs, Axel
Goal : Check SETL plates, watersamples , visibility
Max depth : 10,4 mtrs
Duration : 54 minutes
Air temp : 12.7 celsius
Water temp : 16.8 celsius minimum
Fish: > 1 young Pike, 1 eal, > 5 bigger perch active, larger snails, active shrimp in and near clayblocks.
Plants : Green algea diminishing. rest of plants is stable. Elodea not growing deeper than 7-8 meter. Pile at 3 meter suddenly showing more tube algea.
Visibility : 5,5 mtr at 3 and 6 meter depth.  (baseline meter because of bad light conditions.
Remarks: 3 divers, No thermocline.many free floating algea.

SETL H135: Few dots of brown coloured growth is starting. Few threads of tube algea landed on it
SETL H136: Just a brownish glow at the outer corners of the plate few threads of tubealgea landed on it.
 

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