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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
          [1] 1Laboratory of Microbial Ecology, Ocean University of China, Qingdao 266003, China
          [2] 2Institute of Marine Sciences, University of Chittagong, Chittagong 4331, Bangladesh
          [3] 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
          ac86eaca-6ee8-4c3c-ba13-8ca1ed86e668
          © 2020 Ocean University of China
          History
          : 14 February 2020
          : 24 March 2020
          Categories
          Review

          Evolutionary Biology,Cell biology,Aquaculture & Fisheries,Ecology,Biotechnology,Life sciences
          Periphytic ciliates,Marine ecosystem,Seasonal and vertical variations,Taxonomic breadth,Colonization survey,Bioassessment

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