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集数：2
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简介：该片以青海湖特有珍稀物种湟鱼（青海湖裸鲤）为核心，通过其逆流产卵的壮丽洄游之旅，串联青海湖生态治理的全局实践，展现封湖育鱼、人工增殖放流、湿地修复、沙地治理等系统性保护措施，揭示湟鱼作为生态基石物种对维系高原生物多样性的关键作用，展示全球高海拔脆弱生态系统修复的生动实践。收起
《洄游之歌》 第1集
《洄游之歌》 第2集
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