气候变化领域集成服务门户(CCPortal): Spatial arrangement of biogenic reefs alters boundary layer characteristics to increase risk of microplastic bioaccumulation

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DOI	10.1088/1748-9326/ab83ae
	Spatial arrangement of biogenic reefs alters boundary layer characteristics to increase risk of microplastic bioaccumulation
	Lim H.S.; Fraser A.; Knights A.M.
发表日期	2020
ISSN	17489318
卷号	15 期号:6
英文摘要	Microplastics are now synonymous with human impacts on the environment and as a threat to marine organisms. Numerous taxa are at risk from microplastics including commercially valuable bivalves as seafood, which are also disproportionately important as biogenic reef-forming species that enhance biodiversity such that they are commonly protected under conservation actions. As a sessile filter-feeding organism, bivalves are highly susceptible to microplastic ingestion but despite their socio-economic and ecological importance, no research has been undertaken to assess how a reef's structural arrangement might affect plastic ingestion. Here, using a series of flume experiments, we examined how change in spatial arrangement of the blue mussel, Mytilus edulis, interacts with different flow speeds to effect retention of microplastic over reef surfaces and ingestion risk by individual mussels. Our results show that clumped spatial arrangements reduce boundary layer velocities, and increase turbulence, boundary layer thickness and plastic retention over reef surfaces under faster flow conditions, increasing plastic ingestion by 3-fold. Our findings suggest that the structural arrangement and rugosity of natural reef structures may create natural sinks of anthropogenic pollution, and species like Mytilus that are also important species for human consumption, while disproportionately susceptible to microplastic pollution, may be useful bioindicators of microplastic pollution. © 2020 The Author(s). Published by IOP Publishing Ltd.
英文关键词	contaminants; ecosystem functioning; ecosystem-engineers; filter-feeding; habitat complexity; hydrodynamics; mussel
语种	英语
scopus关键词	Biochemistry; Biodiversity; Boundary layer flow; Boundary layers; Conservation; Marine biology; Molluscs; Pollution; Reefs; Anthropogenic pollution; Boundary layer thickness; Boundary layer velocity; Conservation actions; Filter-feeding organisms; Human consumption; Spatial arrangements; Structural arrangement; Microplastic; anthropogenic source; bioaccumulation; biodiversity; bioindicator; bivalve; environmental impact; experimental study; food consumption; human activity; ingestion rate; plastic; risk assessment; sessile species; socioeconomic conditions; Bivalvia; Mytilus; Mytilus edulis
来源期刊	Environmental Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/153996
作者单位	Marine Biology and Ecology Research Centre, School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth, PL48AA, United Kingdom
推荐引用方式 GB/T 7714	Lim H.S.,Fraser A.,Knights A.M.. Spatial arrangement of biogenic reefs alters boundary layer characteristics to increase risk of microplastic bioaccumulation[J],2020,15(6).
APA	Lim H.S.,Fraser A.,&Knights A.M..(2020).Spatial arrangement of biogenic reefs alters boundary layer characteristics to increase risk of microplastic bioaccumulation.Environmental Research Letters,15(6).
MLA	Lim H.S.,et al."Spatial arrangement of biogenic reefs alters boundary layer characteristics to increase risk of microplastic bioaccumulation".Environmental Research Letters 15.6(2020).