Journal
MARINE POLLUTION BULLETIN
Volume 149, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2019.110492
Keywords
Ecotoxicology; Antifouling waste; Copepods survival; Marine pollution; Copper; Biocide
Funding
- CALFED BayDelta Science Fellowship through the California Sea Grant program [R/SF-32]
- Walwyn Hughes Innovation Fund at BIOS
- Ray Moore Endowment Fund at BIOS
- Roger Thayer Stone Fellowship at BIOS
- C&H Montgomery Moore Fellowship at BIOS
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Marine antifouling paints (MAPs) are widely used to prevent organisms from fouling vessel hulls. When scraped from vessels as part of regular maintenance, MAP particles discharged into the seawater become a source of toxic substances, like copper (Cu), to the environment, and biocides leaching from them are known to cause toxic effects on non-target organisms. We investigated the toxicity of MAP particles collected from a Bermuda boatyard on local copepod communities using two experiments. Copepod survival, Chlorophyll a and total dissolved Cu concentrations were measured before and after MAP particles addition. In an acute toxicity test, the addition of 0.3 g/L of MAP particles resulted in 0% copepods survival within 88 h and increased dissolved Cu by 1.8 mu M. A significant inverse relationship was observed between copepod survival and MAP particles quantity, highlighting the toxic effects of MAP particles from boat maintenance on copepod communities in the surrounding seawater.
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