微塑料染污及其对不同栖息地、不同食性海洋鱼类影响的研究进展
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X79;S917.4

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国家重点研发计划(2019YFD090402);国家自然科学青年基金(41506184)


Research progress in the microplastics pollution and its effects on marine fishes with different feeding habits and habitats
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    摘要:

    随着微塑料在海洋环境和海洋生物中的发现,海洋微塑料污染问题越来越受到关注。本文对海洋微塑料的来源、类型、分布规律、毒性以及不同栖息地、不同食性海洋鱼类对微塑料的摄取特性和受到影响进行了梳理,对后续研究方向进行了分析和展望。结果显示,微塑料来源广泛、种类繁多、分布在海洋的各个角落,在海洋中垂直分布特点为底层沉积物含量较高,其次为底层、上层水域,中层水域较少;水平方向上分布特点为河口区含量较高,流场区次之,大洋区较少,微塑料毒性主要有自身毒性和联合毒性。海洋鱼类对微塑料的摄取具有一定的选择性,不同栖息地、不同食性海洋鱼类对微塑料的摄取在种类和数量上均存在差异,不同栖息地鱼类对微塑料的摄取在种类上主要与微塑料的密度相关,数量上主要与水域中微塑料的分布特性有关;不同食性鱼类对微塑料的摄取在种类和数量上都主要与其食性有关,但与鱼类个体大小、口裂、滤水量也有一定相关性。微塑料会降低海洋鱼类的繁殖率,增加其死亡率。研究表明,经过长时间演变,微塑料会在水体中重新分布,微塑料污染在种类、数量上将呈现多样化,后续的研究中应结合渔业生物、生态学,物理海洋,海洋化学等知识,更全面地了解微塑料在海洋中的存在、分布、传递以及对海洋鱼类和其他海洋生物的影响。

    Abstract:

    As more and more microplastics are found in the marine environment and creatures,marine microplastics pollution has attracted more and more attentions. In this study, the types, distribution, toxicity and the ingestion characteristics of marine microplastics in marine fishes of different feeding habits and habitats were summarized, and the future research direction was expected. The results show that the distribution of microplastics was wide and of a great variety almost everywhere in the ocean, the vertical distribution characteristics of microplastics in the ocean was as follows: the sediment was the highest, followed by bottom and upper layers, and the middle layers were the least in the vertical direction, and the estuary zones were higher, the flow field zones were the second, oceanic zones were the least in the horizontal direction. The toxicity of microplastics mainly consists of self-toxicity and joint toxicity. Marine fishes had certain selectivity to ingest microplastics. The ingestion types and quantity of microplastics of different habitats and feeding habits marine fishes were different, and the ingestion of different habitats fishes in types were mainly related to the density of microplastics. The ingestion quantity is mainly related to the distribution of microplastics in the ocean. The ingestion of different feeding habits fishes in types and number were mainly related to the feeding habits, and it also has certain correlation with the size of fish, mouth slit and the amount of water filtrated. Microplastics could reduce the reproductive rate and increase the death rate of marine fishes. However, microplastic will be redistributed in the water after a long time of evolution, meaning the diversification of types and quantity of microplastic pollution. In the future, the fishery biology and fishery ecology, physical oceanography and marine chemistry could be combined to further understand the existence, distribution and transmission of microplastics in the ocean and its impact on marine fish and other marine creatures.

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陆化杰,刘凯,欧玉哲,陈子越,陈新军.微塑料染污及其对不同栖息地、不同食性海洋鱼类影响的研究进展[J].水产学报,2021,45(12):2099~2111

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  • 收稿日期:2020-12-03
  • 最后修改日期:2021-06-11
  • 录用日期:2021-06-22
  • 在线发布日期: 2021-12-08
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