Oyster reef restoration in a subtropical bay in China: effects of tidal elevation, reef microhabitats and size on oysters and resident macrofaunal communities

文献类型： 外文期刊

第一作者： Quan, Weimin

作者： Quan, Weimin;Li, Nannan;Jiang, Wei;Fan, Ruiliang;Ouyang, Longling;Chen, Yuange;Liu, Qing;Hancock, Boze;Liu, Qi;Chen, Lizi;Zhao, Wenwu;Ma, Wenjun

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关键词： Community; Crassostrea ariakensis; Crassostrea sikamea; Ecosystem service; Habitat; Recruitment; Success

期刊名称：MARINE ECOLOGY PROGRESS SERIES （ 影响因子：2.1； 五年影响因子：2.5 ）

ISSN： 0171-8630

年卷期： 2025 年 765 卷

页码：

收录情况： SCI

摘要： Efforts to restore natural oyster reefs have grown globally to mitigate losses, but restoration success has not been uniform and is rarely evaluated outside of the USA. During 2019-2020, 16 experimental intertidal reef bases were constructed using natural sandstone in the upstream section of Jiantiao Bay, Zhejiang Province, China. These reefs were designed to simultaneously evaluate the relative importance of tidal elevation, reef microhabitats (base and crest) and reef size on the establishment of oysters and resident macrofaunal communities on the restored reefs 2 yr after deployment. A non-native oyster (Crassostrea hongkongensis) and 3 native oysters (C. ariakensis, C. sikamea and C. angulata) were recruited to the restored reefs. More oysters were recruited and survived on the higher intertidal elevation (1.0 m above mean lower low water [MLLW]) relative to the lower elevation (0.3 m above MLLW), but tidal elevation did not affect the total densities and species compositions of resident macrofaunal communities on the restored reefs. The crest of reefs sustained greater densities of oysters and resident macrofaunal communities than the base of reefs. The 8 m long reefs harbored higher densities of oysters and resident macrofaunal communities than the 2 m long reefs. The oyster densities positively correlated with the resident macrofauna densities on the restored reefs. Our results conformed to the general patterns that crests of larger-sized reefs tend to be more successful in establishing oysters and resident macrofaunal communities.

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