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Updated: Mar 30, 2026

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Published on: April 19, 2018
Can tintinnids be used for discriminating water quality status in marine ecosystems?
Meiping Feng1, Wuchang Zhang2, Weiding Wang1
1Marine Fishery Research Institute of Zhejiang Province, Zhoushan 316004, China; Marine and Fisheries Research Institute, Zhejiang Ocean University, Zhoushan 316000, China.
Abstract:
Ciliated protozoa have many advantages in bioassessment of water quality. The ability of tintinnids for assessing water quality status was studied during a 7-yearcycle in Jiaozhou Bay of the Yellow Sea, northern China. The samples were collected monthly at four sites with a spatial gradient of environmental pollution. Environmental variables, e.g., temperature, salinity, chlorophyll a (Chl a), dissolved inorganic nitrogen, soluble reactive phosphate (SRP), and soluble active silicate (SRSi), were measured synchronously for comparison with biotic parameters. Results showed that: (1) tintinnid community structures represented significant differences among the four sampling sites; (2) spatial patterns of the tintinnid communities were significantly correlated with environmental variables, especially SRSi and nutrients; and (3) the community structural parameters and the five dominant species were significantly correlated with SRSi and nutrients. We suggested that tintinnids may be used as a potential bioindicator for discriminating water quality status in marine ecosystems.
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