Seasonal and spatial variation of protist communities from reef water and open ocean water in patchy coral reef areas of a semi-enclosed bay
文献类型： 外文期刊
作者： Zhu, Wentao 1 ; Zhang, Ankai 1 ; Qin, Chuanxin 1 ; Guo, Yu 1 ; Pan, Wanni 1 ; Chen, Jisheng 1 ; Yu, Gang 1 ; Li, Chunhou 1 ;
作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Peoples R China
2.Natl Fishery Resources & Environm Dapeng Observat, Shenzhen 518120, Peoples R China
3.Southern Marine Sci & Engn Guangdong Lab, Guangzhou 511458, Peoples R China
4.Guangdong Prov Key Lab Fishery Ecol & Environm, Guangzhou 510300, Peoples R China
5.Minist Agr & Rural Affair, Sci Observing & Expt Stn South China Sea Fishery, Guangzhou 510300, Peoples R China
关键词： Protists; Coral reefs; Variation; Co-occurrence network; Semi-enclosed bay
期刊名称：MARINE ENVIRONMENTAL RESEARCH （ 影响因子：3.13； 五年影响因子：4.368 ）
ISSN： 0141-1136
年卷期： 2021 年 169 卷
页码：
收录情况： SCI
摘要： Protists are an important component of the marine ecosystem and play an essential role in material cycle and energy flow, but the distribution of protists in coral reefs have not been fully studied. In this study, highthroughput amplicon sequencing technology was used to study the biodiversity and community structure of protists from coral reefs and open sea areas, with the typical semi-enclosed bay Daya Bay as the research field. There were significant seasonal differences in the dominant phyla of protists, biodiversity index values and Beta diversity (P 0.05) but no significant differences in the different sampling areas (P 0.05). The topological parameters of the co-occurrence network showed the protist co-occurrence network in the open sea had more complex interactions and stronger stability than in the coral reef areas because of the hydrodynamics, waves, and relatively poor nutrients. Redundancy analysis and the Mantel test showed that the structure of the protist community was affected by seawater temperature, pH, salinity, and dissolved oxygen. This study analysed the temporal and spatial differences in protists in the coral reef and open sea areas of Daya Bay to provide important information for the study of protist biodiversity and community structure in semi-enclosed bays.
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