条件筛选
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When does the fishing ban period end in each river basin under the strictest-ever ban in 2019?
To protect the marine ecosystem, maritime nations have successively introduced a series of closed-season and fishing-ban policies, and China is no exception. 2019 has been called the strictest fishing-ban year in history, so when does the fishing ban period end in each river basin this year? 1. Why fishing-ban policies are implemented To