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Bryozoan and barnacle settlement in relation to initial surface wettability: a comparison of laboratory and field studies
Rittschof, D.; Costlow, J.D. (1989). Bryozoan and barnacle settlement in relation to initial surface wettability: a comparison of laboratory and field studies, in: Ros, J.D. (Ed.) Topics in Marine Biology: Proceedings of the 22nd European Marine Biology Symposium, Barcelona, Spain, August 1987. Scientia Marina (Barcelona), 53(2-3): pp. 411-416
In: Ros, J.D. (Ed.) (1989). Topics in Marine Biology: Proceedings of the 22nd European Marine Biology Symposium, Barcelona, Spain, August 1987. Scientia Marina (Barcelona), 53(2-3). Instituto de Ciencias del Mar: Barcelona. 145-754 pp., more
In: Scientia Marina (Barcelona). Consejo Superior de Investigaciones Científicas. Institut de Ciènces del Mar: Barcelona. ISSN 0214-8358; e-ISSN 1886-8134, more
Peer reviewed article  

Available in  Authors 
Document type: Conference paper

Keyword
    Marine/Coastal

Authors  Top 
  • Rittschof, D.
  • Costlow, J.D.

Abstract
    The hypothesis that surface chemistry, specifically initial wettability, can be determinant in settlement of estuarine macroinvertebrate larvae, was tested. Of additional interest was how well laboratory settlement tests would predict results obtained in the field. Initial surface wettability has an effect on settlement of barnacle and bryozoan larvae in the laboratory and in the field. The relationship between wettability and settlement in the laboratory and in the field is opposite for the two species. Barnacles settle in higher percentage on surfaces with higher initial wettability. Bryozoans settle in higher percentage on surfaces with lower initial wettability. At intermediate levels of wettability, both species of larvae settle. Surfaces exposed to sea water did not change wettability measurably in 6 days. Settlement of barnacles and bryozoans was inversely correlated (R=-0.94). These studies demonstrate that surface chemistry can play a significant role in determining the distribution and abundance of barnacles and bryozoans.

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