Department of Natural Science, Hawaii Pacific University, Honolulu, HI, United States of America.
Department of Botany and Plant Sciences, University of California, Riverside, CA, United States of America.
PLoS One. 2021 Feb 18;16(2):e0247224. doi: 10.1371/journal.pone.0247224. eCollection 2021.
We report microplastic densities on windward beaches of Oahu, Hawai`i, USA, an island that received about 6 million tourist visits a year. Microplastic densities, surveyed on six Oahu beaches, were highest on the beaches with the coarsest sands, associated with high wave energy. On those beaches, densities were very high (700-1700 particles m-2), as high as those recorded on other remote island beaches worldwide. Densities were higher at storm tide lines than high tide lines. Results from our study provide empirical data on the distribution of microplastics on the most populated and visited of the Hawaiian islands.
我们报告了美国夏威夷瓦胡岛迎风海滩的微塑料密度，该岛每年接待约 600 万游客。在六个瓦胡岛海滩上进行的微塑料密度调查显示，沙滩最粗糙、波浪能最高的海滩上的微塑料密度最高。在这些海滩上，密度非常高（700-1700 个颗粒/平方米），与世界上其他偏远岛屿海滩上记录的密度相当。在风暴潮线处的密度高于在高潮线处的密度。我们的研究结果提供了有关夏威夷群岛中人口最多和最受欢迎的岛屿上微塑料分布的经验数据。
