气候变化领域集成服务门户(CCPortal): Experimental evaluation of seaweeds as a vector for microplastics into marine food webs, supplementary material

CCPortal

DOI	https://doi.org/10.1594/PANGAEA.857106
	Experimental evaluation of seaweeds as a vector for microplastics into marine food webs, supplementary material
	Gutow; Lars; Eckerlebe; Antonia; Giménez; Luis; Saborowski; Reinhard
发布日期	2015-01-19
数据集类型	dataset
英文简介	The ingestion of microplastics has been shown for a great variety of marine organisms. However, benthic marine mesoherbivores such as the common periwinkle Littorina littorea have been largely disregarded in studies about the effects of microplastics on the marine biota, probably because the pathway for microplastics to this functional group of organisms was not obvious. In laboratory experiments we showed that the seaweed Fucus vesiculosus retains suspended microplastics on its surface. The numbers of microplastics that adhered to the algae correlated with the concentrations of suspended particles in the water. In choice feeding assays L. littorea did not distinguish between algae with adherent microplastics and clean algae without microplastics, indicating that the snails do not recognize solid nonfood particles in the submillimeter size range as deleterious. In periwinkles that were feeding on contaminated algae, microplastics were found in the stomach and in the gut. However, no microplastics were found in the midgut gland, which is the principle digestive organ of gastropods. Microplastics in the fecal pellets of the periwinkles indicate that the particles do not accumulate rapidly inside the animals but are mostly released with the feces. Our results provide the first evidence that seaweeds may represent an efficient pathway for microplastics from the water to marine benthic herbivores.
语种	英语
国家	国际
学科大类	气候变化
学科子类	气候变化
文献类型	数据集
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/216908
推荐引用方式 GB/T 7714	Gutow,Lars,Eckerlebe,et al. Experimental evaluation of seaweeds as a vector for microplastics into marine food webs, supplementary material.2015-01-19.https://doi.org/10.1594/PANGAEA.857106.