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Integrated response in taxonomic diversity and eco-exergy of macrobenthic faunal community to artificial reef construction in Daya Bay, China

文献类型： 外文期刊

作者： Chen, Quan 1 ; Yuan, Huarong 1 ; Chen, Pimao 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Sci Observing & Expt Stn South China Sea Fishery, South China Sea Fisheries Res Inst,Guangdong Prov, Key Lab Marine Ranch Technol,Minist Agr & Rural A, Guangzhou 510300, Guangdong, Peoples R China

2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst Shenzhen Test, Guangzhou 510300, Guangdong, Peoples R China

关键词： Community structure; Thermodynamic indicator; Comparison analysis; Marine resources

期刊名称：ECOLOGICAL INDICATORS （ 影响因子：4.958； 五年影响因子：5.846 ）

ISSN： 1470-160X

年卷期： 2019 年 101 卷

页码：

收录情况： SCI

摘要： The degradation of marine habitats (especially coral reefs) and the loss of marine fauna can be mitigated by the construction of artificial reefs (ARs). Macrobenthic fauna are considered excellent indicators of how disturbance or succession affects ecosystems, but the integrated effects of AR construction on taxonomic and thermodynamic indicators of macrobenthic faunal communities have seldom been studied. In the current study, we investigated changes in the taxonomic diversity and ecological exergy (eco-exergy) of the macrobenthic faunal community for 2 years following AR construction in Daya Bay, China. The results indicated that macrobenthic faunal diversity, species richness, and evenness increased but abundance, biomass, eco-exergy, and specific eco-exergy decreased following AR construction; after declining, however, abundance, biomass, and eco-exergy appeared to be increasing at the end of the 2-year sampling period. In terms of biomass and eco-exergy, mollusks were the dominant group at each sampling period and were mainly responsible for the changes in biomass and ecoexergy. Eco-exergy was positively correlated with macrobenthic abundance and was negatively related with evenness. Effects of AR construction on the nearby non-reef habitat were similar to those on the AR habitat. These results indicate that long-term assessment of multiple ecological indicators at diverse study areas is needed to determine the effects of AR construction on marine biological resources.

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