Fouling deterrence on the bivalve shell Mytilus galloprovincialis: a physical phenomenon?

Scardino, Andrew, and de Nys, Rocky (2004) Fouling deterrence on the bivalve shell Mytilus galloprovincialis: a physical phenomenon? Biofouling, 20 (4). pp. 249-257.

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The physical nature of fouling deterrence by the mussel Mytilus galloprovincialis was investigated using high-resolution biomimics of the bivalve surface. The homogeneous microtextured surface of M. galloprovincialis (1.94 ± 0.03 μm), the smooth surface of the bivalve Amusium balloti (0 μm), and moulds of these surfaces (biomimics) were compared with controls of smooth (0 μm) and sanded moulds, (55.4 ± 2.7 μm) and PVC strips (0 μm) in a 12-week field trial. The shell and mould of M. galloprovincialis were fouled by significantly fewer species and had significantly less total fouling cover than the shell and mould of A. balloti over a 12-week period. However, the major effects were between surfaces with and without microtopography. Surface microtopography, be it structured as in the case of M. galloprovincialis shell and mould, or random as in the case of the sanded mould, had a lower cover of fouling organisms than treatments without microtopography after 6 weeks. There was also no difference between the effect of the M. galloprovincialis mould and the sanded mould. The strong fouling deterrent effects of both these surfaces diminished rapidly after 6 to 8 weeks while that of M. galloprovincialis shell remained intact for the duration of the experiment suggesting factors in addition to surface microtopography contribute to fouling deterrence.

Item ID: 6011
Item Type: Article (Research - C1)
ISSN: 1029-2454
Keywords: Amusium balloti; biofouling; bivalves; fouling deterrence; Mytilus galloprovincialis; surface microtexture
Date Deposited: 28 Jan 2010 04:51
FoR Codes: 06 BIOLOGICAL SCIENCES > 0608 Zoology > 060808 Invertebrate Biology @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 100%
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