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Phytoplankton Communities and Their Relationship with Environmental Factors in the Waters around Macau

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  • Rui He

    (Pearl River Hydraulic Research Institute, Guangzhou 510611, China
    State Key Laboratory of Organic Geochemistry, Guangzhou 510640, China
    Guangdong Provincial Engineering Technology Research Center for Life and Health of River & Lake, Guangzhou 510611, China
    These authors contributed equally to this work.)

  • Huan Luo

    (Pearl River Hydraulic Research Institute, Guangzhou 510611, China
    These authors contributed equally to this work.)

  • Ning He

    (School of Life Science and Resources Environment, Yichun University, Yichun 336000, China)

  • Wenlong Chen

    (Pearl River Hydraulic Research Institute, Guangzhou 510611, China)

  • Fang Yang

    (Pearl River Hydraulic Research Institute, Guangzhou 510611, China)

  • Weijie Huang

    (Pearl River Hydraulic Research Institute, Guangzhou 510611, China)

  • Ning Li

    (Pearl River Hydraulic Research Institute, Guangzhou 510611, China)

  • Lingling Sun

    (Pearl River Hydraulic Research Institute, Guangzhou 510611, China)

  • Songyao Peng

    (Pearl River Hydraulic Research Institute, Guangzhou 510611, China)

Abstract

An investigation of the waters around Macau collected 43 phytoplankton species belonging to 29 genera and 5 phyla, including 32 species from 22 genera of Bacillariophyta, 7 species from 3 genera of Pyrrophyta, 2 species from 2 genera of Cyanophyta, and 1 genus and 1 species from both Euglenophyta and Chromophyta. The dominant phytoplankton species in the study areas were Skeletonema costatum (Greville) Cleve, Aulacoseira granulata (Ehrenberg) Simonsen, Thalassiothrix frauenfeidii Grunow, and Thalassionema nitzschioides Grunow. The phytoplankton abundance in the waters around Macau was between 46,607.14 and 1,355,000 cells/m 3 , with the highest abundance noted in station S8. Diatoms were the main contributor to phytoplankton abundance in station S8, accounting for 96.2% of the total abundance. Station S4 exhibited the lowest phytoplankton abundance of 46,607.1 cells/m 3 , with diatoms and Chromophytaaccounting for 58.6% and 29.9% of the total phytoplankton abundance, respectively. Biodiversity analysis results showed that the phytoplankton richness index was 1.18–3.61, the uniformity index was 0.24–0.78, and the Shannon–Wiener index was 0.94–3.41. Correlation analysis revealed that ammonia nitrogen was significantly negatively correlated with the phytoplankton richness, uniformity, and Shannon–Wiener indices. Nitrite nitrogen, nitrate nitrogen, inorganic nitrogen, salinity, turbidity, and pH were positively correlated with the phytoplankton evenness index and Shannon–Wiener index. Cluster and non-metric multidimensional scaling analyses demonstrated that the phytoplankton community structure in the waters around Macau could be divided into three groups, with A. granulata , S. costatum , T. frauenfeidii , T. nitzschioides , Chaetoceros curvisetus Cleve, and Chaetoceros diadema (Ehrenberg) Gran being predominant in different grouping communities (contribution% > 10%). Biota-Environment Stepwise Analysis (BIOENV) showed a significant correlation between the phytoplankton community and nitrite nitrogen content in the waters around Macau (correlation: 0.5544, Mantel test: statistic 0.4196, p = 0.009), which was consistent with the results of the canonical correspondence analysis.

Suggested Citation

  • Rui He & Huan Luo & Ning He & Wenlong Chen & Fang Yang & Weijie Huang & Ning Li & Lingling Sun & Songyao Peng, 2022. "Phytoplankton Communities and Their Relationship with Environmental Factors in the Waters around Macau," IJERPH, MDPI, vol. 19(13), pages 1-16, June.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:13:p:7788-:d:847347
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    References listed on IDEAS

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    1. Philip W. Boyd & Sinikka T. Lennartz & David M. Glover & Scott C. Doney, 2015. "Biological ramifications of climate-change-mediated oceanic multi-stressors," Nature Climate Change, Nature, vol. 5(1), pages 71-79, January.
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    Cited by:

    1. Tingyu Fan & Hayat Amzil & Wangkai Fang & Liangji Xu & Akang Lu & Shun Wang & Xingming Wang & Yingxiang Chen & Jinhong Pan & Xiangping Wei, 2022. "Phytoplankton-Zooplankton Community Structure in Coal Mining Subsidence Lake," IJERPH, MDPI, vol. 20(1), pages 1-15, December.

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