title: Ð¥Ð°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ° ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ñ Ð¸ Ð¼Ð¸Ð³ÑÐ°ÑÐ¸Ð¸ Ð¼Ð¸ÐºÑÐ¾Ð¿Ð»Ð°ÑÑÐ¸ÐºÐ¾Ð² Ð² Ð±Ð°ÑÑÐµÐ¹Ð½Ðµ ÑÐµÐºÐ¸ Ð¯Ð½ÑÐ·Ñ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Characteristics of the distribution and migration of microplastics in the Yangtze River Basin
Creators: name: ÐÐ°Ð½ Ð¢Ð¸Ð½ÑÐ¸
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: ÐÑ ÑÐ°Ð½Ð° Ð¾ÐºÑÑÐ¶Ð°ÑÑÐµÐ¹ ÑÑÐµÐ´Ñ
Ð±Ð°ÑÑÐµÐ¹Ð½ ÑÐµÐºÐ¸ Ð¯Ð½ÑÐ·Ñ
Ð·Ð°Ð³ÑÑÐ·Ð½ÐµÐ½Ð¸Ðµ Ð¼Ð¸ÐºÑÐ¾Ð¿Ð»Ð°ÑÑÐ¸ÐºÐ¾Ð¼
Ñ Ð°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ¸ ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ñ Ð¼Ð¸ÐºÑÐ¾Ð¿Ð»Ð°ÑÑÐ¸ÐºÐ°
Ñ Ð°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ¸ Ð¼Ð¸Ð³ÑÐ°ÑÐ¸Ð¸ Ð¼Ð¸ÐºÑÐ¾Ð¿Ð»Ð°ÑÑÐ¸ÐºÐ°
ÐºÐ¾ÑÑÐµÐ»ÑÑÐ¸Ð¾Ð½Ð½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð·
Yangtze River basin
microplastic pollution
microplastic distribution characteristics
microplastic migration characteristics
correlation analysis

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description: Microplastic pollution has become an environmental concern due to its persistence and its potential adverse effects on biota. The distribution characteristics, abundance levels and accumulation laws of microplastics in the surface water and sediments of the Yangtze River Basin are valuable for understanding the environmental behavior, migration direction and evaluating the ecological risks of microplastics in the Yangtze River Basin, and are also the theoretical basis for guiding the control of microplastic pollution. Compared with the oceanic environment, inland river systems are closely related to the sources of microplastic pollution and are significantly affected by human activities. The Yangtze River is the longest river in China and the third largest in the world, and microplastics in this river will affect the health of a large number of people living next to the river. In order to ensure people's survival and safety, it is necessary to plan ahead and investigate in order to understand the microplastic pollution in rivers and develop countermeasures. This paper reviews the literature on microplastic pollution in the Yangtze River Basin and analyzes the abundance, shape, color, and composition of microplastics in water bodies and sediments in the main stream of the Yangtze River and major lakes. The results are as follows. Compared with other basins at home and abroad, the abundance of microplastics in the Yangtze River basin is moderate and the spatial heterogeneity is high. Due to the barrier effect of the Three Gorges Dam on microplastics, the abundance of microplastics in the Three Gorges Reservoir is usually an order of magnitude higher than in other reaches of the river. Most microplastics in water bodies and sediments are less than 1 mm in size, transparent and brightly colored. In terms of shape, they are primarily fibers, followed by fragments and films. In terms of composition, the microplastics in the source area of the Yangtze River are mainly composed of nylon and polyethylene, while the microplastics in the surface water from the lower reaches of the Jinsha River to the Yangtze Estuary are mainly composed of polypropylene and polyethylene. Secondary microplastics are particles that result from the breakdown of large plastics items, and relatively intensive human activities have increased the abundance of microplastics. In addition, we also summarize the migration laws of microplastics in the Yangtze River Basin. These results provide a basis for understanding and preventing microplastic pollution in the Yangtze River.