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Spatiotemporal variation of tintinnid microzooplankton (Ciliophora: tintinnina) from Sarawak inshore water, South China Sea

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Abstract

Unraveling planktonic community patterns and their linkage with the surrounding ecology is essential for aquatic resource management. Studies on the tintinnid microzooplankton in most of the marine waters of Malaysian South China Sea (SCS) are scarce though the trophic role of this community is well established. Thus, we aimed to investigate on spatiotemporal pattern of composition, abundance, and biomass of tintinnid, and how this community patterns are regulated with the basic ecological parameters. A total of 46 species were recorded, mostly in southwest monsoon (33 species) during the study period from May 2016 to April 2017. Tintinnopsis was counted as major genera with 19 species, and Tintinnopsis radix, a species that reported as neritic-estuarine origin calculated as the most abundant (11%) in our study. Both the space and time were equally responsible for differences in species richness, diversity, abundance, and biomass. However, species richness variation was not influenced by space–time interaction, whereas we observed season (time) and species size worked as a strong factor in terms of biomass variations. Accordingly, the higher mean abundance (Station 3; 132,116 ind m−3 in southwest monsoon) did not scale up to the bigger mean biomass (Station 4; 1.317 µgC L−1 in Inter-monsoon April). Among the ecological variables, the strongest influence was observed in the tintinnid community by pH, dissolved oxygen and salinity mostly during southwest monsoon around Bintulu-Mukah areas. Similarly, species-specific affinity to pH was also observed by most of the species. In addition, Favella campanula showed affinity to salinity, turbidity, and conductivity, while T. cylindrica and T. gracilis were driven by the temperature and dissolved oxygen. The findings of this research may help to explore comprehensive food web dynamics in future ecosystem studies in SCS region.

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Acknowledgements

The authors would like to thanks to Water Quality & Ecology lab, Universiti Putra Malaysia, campus Bintulu for technical support and facilities provided.

Funding

This work was supported by the Malaysian Government under E-Science grant (04-01-04-SF1422) and Universiti Malaysia Terengganu, ref. UMT/CRIM/2-2/2/20 (79), project number 55211.

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Authors and Affiliations

  1. WorldFish, Bangladesh and South Asia Office, Dhaka, 1213, Bangladesh

    Uttam Kumar

  2. Institute of Tropical Biodiversity and Sustainable Development, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia

    Abu Hena Mustafa Kamal, Nadiah Wan Rasdi & Mohd Hanafi Idris

  3. Higher Institute Centre of Excellent Institute of Tropical Aquaculture and Fisheries, Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia

    Nurul Ulfah Karim

  4. Institute of Marine Sciences, University of Chittagong, Chattogram, 4331, Bangladesh

    Jewel Das

  5. Department of Marine Biology, Faculty of Marine Sciences, King Abdul Aziz University, Jeddah, 21589, Saudi Arabia

    Muyassar H. Abualreesh

  6. Department of Animal Science and Fisheries, Faculty of Agricultural Science and Forestry, Universiti Putra Malaysia, Bintulu Sarawak Campus, 97008, Bintulu, Sarawak, Malaysia

    Johan Ismail

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  1. Uttam Kumar
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Contributions

Kumar, U., Abu Hena, M.K. contributed to concept; sampling was done by Kumar, U., Abu Hena, M.K., Johan, I.; microscopy analysis was done by Kumar, U., data analysis was done by Kumar, U., Muyassar, H.A., Das, J.; resources were gathered by Idris, M.H., Abu Hena, M.K.; writing original of the draft was done by Kumar, U.; writing—review and editing were done by Abu Hena, M.K., Karim, N.U., Rasdi, W.N., Das, J., Muyassar, H.A.; visualization of the study was done by Kumar, U., Muyassar, H.A.; supervision was carried out by Abu Hena, M.K.; project administration was done by Abu Hena, M.K.; funding acquisition was done by Abu Hena, M.K. All authors have read and agreed to the research contribution.

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Correspondence to Abu Hena Mustafa Kamal.

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Kumar, U., Kamal, A.M., Karim, N.U. et al. Spatiotemporal variation of tintinnid microzooplankton (Ciliophora: tintinnina) from Sarawak inshore water, South China Sea. COMMUNITY ECOLOGY 22, 351–365 (2021). https://doi.org/10.1007/s42974-021-00059-2

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