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  Fouling Deterrence on the Bivalve Shell Mytilus galloprovincialis: a Physical Phenomenon?
 
 
Titel: Fouling Deterrence on the Bivalve Shell Mytilus galloprovincialis: a Physical Phenomenon?
Auteur: Scardino, Andrew
de Nys, Rocky
Verschenen in: Biofouling
Paginering: Jaargang 20 (2004) nr. 4-5 pagina's 249-257
Jaar: 2004
Inhoud: 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.
Uitgever: Taylor & Francis
Bronbestand: Elektronische Wetenschappelijke Tijdschriften
 
 

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