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Are habitat changes driving protist community shifts? A case study in Daya Bay, China

文献类型： 外文期刊

作者： Qin, Chuanxin 1 ; Zhu, Wentao 1 ; Ma, Hongmei 1 ; Duan, Dingyu 1 ; Zuo, Tao 1 ; Xi, Shigai 1 ; Pan, Wanni 1 ;

作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Guangdong, Peoples R China

2.Minist Agr, Sci Observing & Expt Stn South China Sea Fishery, Guangzhou 510300, Guangdong, Peoples R China

3.Chinese Acad Fishery Sci, Key Lab Marine Ranching, Guangzhou 510300, Guangdong, Peoples R China

4.Shanghai Ocean Univ, Shanghai, Peoples R China

关键词： Protists; Coral reefs; Artificial reef; Environmental influence; Habitat

期刊名称：ESTUARINE COASTAL AND SHELF SCIENCE （ 影响因子：2.929； 五年影响因子：3.329 ）

ISSN： 0272-7714

年卷期： 2019 年 227 卷

页码：

收录情况： SCI

摘要： Protists play an important role in regulating marine ecosystems, and their diversity and community structure differ both temporally and spatially. Little research has been conducted on the structure and function of protists associated with coral reefs and artificial reefs, which are important and unique habitats for marine life. In this study, based on Illumina sequencing analysis of 18S rDNA, the diversity and community structure of protists in coral reef, artificial reef and open-water areas in Daya Bay were described for the first time. The biodiversity of protists in open-water areas was higher than that in artificial reefs and slightly higher than that in coral reefs, but there were no significant differences in protist alpha diversity among the different habitats or depths in Daya Bay. The depth of Daya Bay was not sufficient to significantly affect the distribution of the protist communities, while pH and salinity had the strongest impacts. Furthermore, the correlations between protist abundance and environmental variables of the water mass were much weaker than those between habitat and protist abundance. PERMANOVA revealed significant differences in protist diversity among the habitats. The interactions of living organisms and differences among habitats play key roles in the formation of protist communities, and artificial reefs were found to change the community structure of protists, suggesting that artificial reefs play a role similar to that of coral reefs to improve ecological functions and restore ecosystems.

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