Phytoplankton-Zooplankton Community Structure in Coal Mining Subsidence Lake

Tingyu Fan (), Hayat Amzil, Wangkai Fang, Liangji Xu, Akang Lu, Shun Wang, Xingming Wang, Yingxiang Chen, Jinhong Pan and Xiangping Wei
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Tingyu Fan: School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China
Hayat Amzil: School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China
Wangkai Fang: School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China
Liangji Xu: School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China
Akang Lu: School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China
Shun Wang: School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China
Xingming Wang: School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China
Yingxiang Chen: School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China
Jinhong Pan: School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China
Xiangping Wei: Huaibei Mining Group, Huaibei 235000, China

IJERPH, 2022, vol. 20, issue 1, 1-15

Abstract: Land subsidence from coal mining has shaped new artificial aquatic ecosystems, these subsidence lakes are known for their restricted ecological system, water pollution, and extreme habitat conditions. However, knowledge concerning the community structure of plankton in these types of water bodies is still limited. Therefore, both phytoplankton and zooplankton communities’ abundance, distribution, and diversity, as well as relations of these communities to physicochemical water quality variables were analyzed, alongside the interaction between phytoplankton and zooplankton groups. The results indicate zooplankton abundance was 842.375 to 186,355.0 ind./L. Biomass ranged from 0.3408 to 10.0842 mg/L. Phytoplankton abundance varied between 0.541 × 10 6 cell/L and 52.340 × 10 6 cell/L while phytoplankton wet biomass ranged from 0.5123 to 5.6532 mg/L. Pearson correlation analysis revealed that both the zooplankton and phytoplankton total densities were significantly correlated with nutrients (TN, TP, PO 4 3− ) and COD cr ; zooplankton abundance was significantly correlated with phytoplankton abundance. According to the biodiversity index of Shannon–Wiener, both phytoplankton and zooplankton revealed less biodiversity in the subsidence water region than in the Huihe river system and Xiangshun canal, with values ranging from 0.20 to 2.60 for phytoplankton and 1.18 to 2.45 for zooplankton; however, the phytoplankton community showed lower biodiversity index values compared to the zooplankton community. Overall, the knowledge gleaned from the study of plankton community structure and diversity represents a valuable approach for the evaluation of the ecological conditions within the subsidence lakes, which has significant repercussions for the management and protection of aquatic environments in mining areas.

Keywords: subsidence lake; phytoplankton; zooplankton; community abundance; diversity; water parameters (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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