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Colonization dynamics of periphytic ciliate communities across taxonomic levels using an artificial substrate for monitoring water quality in coastal waters

Published online by Cambridge University Press:  02 November 2010

Henglong Xu ,
Joon-Ki Choi ,
Gi-Sik Min  and
Qinglin Zhu
Henglong Xu
Affiliation:
Laboratory of Protozoology, Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China
Joon-Ki Choi*
Affiliation:
Department of Oceanography, Inha University, Incheon 402-751, Korea
Gi-Sik Min
Affiliation:
Department of Biological Sciences, Inha University, Incheon 402-751, Korea
Qinglin Zhu
Affiliation:
College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266100, China
*
Correspondence should be addressed to: J.K. Choi, Department of Oceanography, Inha University, Incheon 402-751, Korea email: [email protected]
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Abstract

Taxonomic diversity and temporal patterns in abundance of periphytic ciliate communities across taxonomic levels were studied to monitor water quality in Korean coastal waters during April 2007. Specifically we compared two methods based on an artificial substrate (glass slide): the polyurethane foam enveloped slide (PFES) and the conventional slide (CS) systems. The results demonstrated that: (1) the colonization patterns of the ciliate communities at all taxonomic levels showed a lower variability in the PFES system than those of the CS system; (2) The taxonomic diversity (Δ) and taxonomic distinctness (Δ*) were significantly higher in the PFES system than those in the CS system; and (3) all four taxonomic diversity/distinctness indices represented lower variability in the PFES system than those of the CS samples. These findings suggest that the PFES system is more effective than the CS system for measuring the colonization patterns and taxonomic distinctness parameters that are increasingly used as potential indicators of water quality. This conclusion supports our previous suggestion that the PFES system is a better tool than the CS system for monitoring water quality in the marine ecosystem, using periphytic ciliates.

Keywords

artificial substratebioassessmentmarine biofilmperiphytic ciliatetaxonomic diversity
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 91 , Issue 1 , February 2011 , pp. 91 - 96
Copyright
Copyright © Marine Biological Association of the United Kingdom 2010

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