Hermsen Enya, Pompe Renske, Besseling Ellen, Koelmans Albert A
Aquatic Ecology and Water Quality Management Group, Wageningen University & Research, P.O. Box 47, 6700 AA Wageningen, The Netherlands.
Aquatic Ecology and Water Quality Management Group, Wageningen University & Research, P.O. Box 47, 6700 AA Wageningen, The Netherlands; Wageningen Marine Research, P.O. Box 68, 1970 AB IJmuiden, The Netherlands.
Mar Pollut Bull. 2017 Sep 15;122(1-2):253-258. doi: 10.1016/j.marpolbul.2017.06.051. Epub 2017 Jun 24.
We investigated 400 individual fish of four North Sea species: Atlantic Herring, Sprat, Common Dab, and Whiting on ingestion of >20μm microplastic. Strict quality assurance criteria were followed in order to control contamination during the study. Two plastic particles were found in only 1 (a Sprat) out of 400 individuals (0.25%, with a 95% confidence interval of 0.09-1.1%). The particles were identified to consist of polymethylmethacrylate (PMMA) through FTIR spectroscopy. No contamination occurred during the study, showing the method applied to be suitable for microplastic ingestion studies in biota. We discuss the low particle count for North Sea fish with those in other studies and suggest a relation between reported particle count and degree of quality assurance applied. Microplastic ingestion by fish may be less common than thought initially, with low incidence shown in this study, and other studies adhering to strict quality assurance criteria.
我们调查了北海四种鱼类的400条个体：大西洋鲱鱼、黍鲱、欧洲黄盖鲽和牙鳕对大于20微米微塑料的摄取情况。在研究过程中遵循了严格的质量保证标准，以控制污染。在400个个体中，仅在1条（1条黍鲱）个体中发现了两颗塑料颗粒（0.25%，95%置信区间为0.09 - 1.1%）。通过傅里叶变换红外光谱法（FTIR）鉴定这些颗粒由聚甲基丙烯酸甲酯（PMMA）组成。研究过程中未发生污染，表明所应用的方法适用于生物群中微塑料摄取的研究。我们将北海鱼类中低颗粒计数情况与其他研究进行了讨论，并提出了报告的颗粒计数与所应用的质量保证程度之间的关系。鱼类摄取微塑料可能比最初认为的要少见，本研究以及其他遵循严格质量保证标准的研究均显示出低发生率。
