### Chinese: 为了保护三江源地区和青海湖水域生态环境、保护水生野生动物，维护青藏高原生物多样性，今年以来，青海先后发布长江、黄河、青海湖重点水域禁捕通告，构建起了“一江一河一湖”全面禁捕管理体系。
### English: In order to protect the ecological environment of the source areas of the three rivers and the waters of Qinghai Lake, protect aquatic wildlife, and maintain the biodiversity of the Qinghai Tibet Plateau, Qinghai has issued a notice banning fishing in the key waters of the Yangtze River, the Yellow River, and Qinghai Lake since this year, and established a comprehensive management system of "one river, one river, and one lake."
### Errors: There is a minor error at "the source areas of". There is a major error at "inghai Tibet Plat". There is a minor error at "inghai". There is a major error at "of "one river, one river". There is a major error at "and one lake."".

### Improved English: In order to protect the ecological environment of the three rivers area and the waters of Qinghai Lake, protect aquatic wildlife, and maintain the biodiversity of the Qinghai Tibet Plateau, Qinghai has issued a notice banning fishing in the key waters of the Yangtze River, the Yellow River, and Qinghai Lake since this year, and established a comprehensive management system of fishing ban of “one river, one river, and one lake”.