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The effect of surface colour on the adhesion strength of Elminius modestus Darwin on a commercial non-biocidal antifouling coating at two locations in the UK

Lookup NU author(s): Dr Kirsten Wolff, Dr Jeremy Thomason

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Abstract

A number of factors affect the adhesion strength of organisms to fouling-release coatings, and except for a few studies focussing on black or white surfaces none have dealt specifically with the effect of coating colour. The aim was to test the effect of colour on the adhesion strength of the barnacle Elminius modestus. Panels coated in six commercial colours of Intersleek 700 (R) were submerged at two field sites and barnacles were pushed-off using a standard assay procedure. The strength of adhesion (SOA) varied between and within sites for colour and by barnacle basal area, SOA per unit area being higher for smaller barnacles. Higher SOA with a small basal area may be because of size-specific predation, differential hydrodynamic effects or adhesive failure with age. The complex effect of colour on barnacle adhesion may be because of physico-chemical surface characteristics varying with pigments, and their interactions with local environmental conditions, as well as interactions with the settling barnacle larvae.


Publication metadata

Author(s): Robson MA, Williams D, Wolff K, Thomason JC

Publication type: Article

Publication status: Published

Journal: Biofouling

Year: 2009

Volume: 25

Issue: 3

Pages: 215-227

ISSN (print): 0892-7014

ISSN (electronic): 1029-2454

Publisher: Taylor & Francis Ltd.

URL: http://dx.doi.org/10.1080/08927010802712879

DOI: 10.1080/08927010802712879


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