Influence of coating type, colour, and deployment timing on biofouling by native and non-native species in a marine renewable energy context

Christopher R. Nall, Marie-Lise Schlappy, Elizabeth J. Cottier-Cook, Andrew J. Guerin

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Biofouling on marine renewable energy devices presents engineering challenges for this developing sector, and has implications for the spread of marine non-native species (NNS) in coastal waters. This is particularly true at sites with abundant energy resource, little existing infrastructure, and few established NNS. Device coatings, such as antifouling paints, could reduce the risk of NNS spread. Settlement on coatings of various types and colours, representing those likely to be used on renewable energy devices, was assessed in the Orkney Islands, northern Scotland. Assemblage composition, but not overall biofouling cover, varied initially among different coloured surfaces, although differences decreased over time. Different coating types (an anticorrosive paint, a biocidal paint and a fouling-release coating) differed in biofouling abundance and composition for the full duration of the experiment. NNS were mostly, but not completely, absent from antifouling surfaces. These results can help informing antifouling strategies for the marine renewable energy industry.

Original languageEnglish
Pages (from-to)729-745
Number of pages17
JournalBiofouling
Volume38
Issue number7
DOIs
Publication statusPublished - 5 Sept 2022
Externally publishedYes

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