Rapid treatment of vessels fouled with an invasive polychaete, Sabella spallanzanii, using a floating dock and chlorine as a biocide

Chlorine solution was added to the water encapsulated within a proprietary 'floating dock' to treat a vessel infested with the invasive polychaete Sabella spallanzanii. The chlorine was added as sodium dichloroisocyanurate ('dichlor') at an initial concentration of 200 mg l −1 of...

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Bibliographic Details
Published in:Biofouling (Chur, Switzerland) Switzerland), 2016-01, Vol.32 (2), p.135-144
Main Authors: Morrisey, Donald J., Depree, Craig V., Hickey, Christopher W., McKenzie, Don S., Middleton, Irene, Smith, Matt D., Stewart, Michael, Thompson, Karen J.
Format: Article
Language:English
Subjects:
Animals
biocide
Biocides
Biofilms - drug effects
Biofilms - growth & development
Biofouling
Chlorine
Chlorine Compounds - pharmacology
Disinfectants - pharmacology
encapsulation
Exposure
Floating
Floating docks
Fouling
Fouling organisms
Hull fouling
Hulls
Hulls (structures)
Laboratory tests
Marine
Polychaeta - drug effects
Polychaeta - physiology
Sabella spallanzanii
Ships
Sodium
Sodium dichloroisocyanurate
Thiosulfates
Tubes
Vessels
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Summary:Chlorine solution was added to the water encapsulated within a proprietary 'floating dock' to treat a vessel infested with the invasive polychaete Sabella spallanzanii. The chlorine was added as sodium dichloroisocyanurate ('dichlor') at an initial concentration of 200 mg l −1 of free available chlorine (FAC). This concentration killed 99% of S. spallanzanii in their tubes during a 4-h exposure in laboratory tests (EC 99 160 mg FAC l −1 ). The concentration of FAC in the floating dock declined to ~50 mg l −1 after 4 h and 
ISSN:0892-7014
1029-2454
DOI:10.1080/08927014.2015.1126713