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      Colonization features of marine biofilm-dwelling protozoa in Chinese coastal waters of the Yellow Sea

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          Abstract

          Colonization features of biofilm-dwelling protozoa, especially ciliates, are routinely used as a useful tool for marine bioassessment. In this review, we summarize some of these features to develop an optimal sampling strategy for using biofilm-dwelling protozoa as bioindicators of marine water quality. We focus on the utility of: (1) diversity indices to analyze the colonization features of biofilm-dwelling protozoa for monitoring marine water quality; (2) MacArthur–Wilson and logistic equation models to determine spatio-temporal variations in colonization dynamics; and (3) homogeneity in taxonomic breadth of biofilm-dwelling protozoa during the process of colonization. The main findings are that: (1) the colonization dynamics of biofilm-dwelling protozoa are similar at depths of 1–5 m in spring and autumn; (2) temporal variability was well fitted to the MacArthur–Wilson and logistic models ( P < 0.05); and (3) species composition reached an equilibrium after a colonization period of 10–14 days in spring and autumn, but this took less time in the summer and more time in the winter. Ellipse-plotting tests demonstrated spatial variability in homogeneity in taxonomic structure of the ciliate communities at different depths in the water column, with high levels at 1 m and 2 m and lower levels at 3.5 m and 5 m. Thus, the findings of this review suggest that the colonization dynamics of biofilm-dwelling protozoa may be influenced by different depths and seasons in coastal waters and 1–2 m in spring and autumn may be optimal sampling strategy for bioassessment on large spatial/temporal scales in marine ecosystems.

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          Author and article information

          Journal
          MLST
          Marine Life Science & Technology
          Springer (China )
          2096-6490
          2662-1746
          01 August 2020
          27 April 2020
          : 2
          : 3
          : 292-301
          Affiliations
          1Laboratory of Microbial Ecology, Ocean University of China, Qingdao 266003, China
          2Institute of Marine Sciences, University of Chittagong, Chittagong 4331, Bangladesh
          3Department of Life Sciences, Natural History Museum, London SW7 5BD, UK
          Author notes
          *Corresponding author: Henglong Xu, E-mail: henglongxu@ 123456126.com
          Article
          s42995-020-00040-4
          10.1007/s42995-020-00040-4
          © 2020 Ocean University of China
          Product
          Self URI (journal-page): https://www.springer.com/journal/42995
          Categories
          Review

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