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A scientific expedition from the Chinese Academy of Sciences has discovered a population of over 50 green sea turtles, a Class I nationally protected species, in the seagrass beds of the Huangyan Island lagoon, indicating a mature coral reef-seagrass bed composite ecosystem. 科 科普中国
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科普中国 2026-06-19 21:30 北京
近日，中国科学院黄岩岛发育演化与生态韧性综合科考队 在黄岩岛潟湖海草床，发现大规模国家一级野生动物绿海龟种群，初步观测数量超50只。
纷 水下观察绿海龟活动。图源：中国科学院黄岩岛科考队
黄岩岛瀉湖松软泥沙底质区发育有大面积的海草床。近年来，由于管控得当，海草床发育态势良好，优势种包括圆叶丝粉草、卵叶喜盐草等，都是绿海龟的重要食物。此次发现说明，黄岩岛瀉湖海草床已经发育出成熟的珊瑚礁-海草床复合生态系统，为海龟、驼背凤螺等高价值物种提供了优质的栖息环境。中国设立黄岩岛国家自然保护区，对黄岩岛海域生态系统与珍稀野生动物资源保护发挥的积极作用快速显现。
无人机航拍识别绿海龟。图源：中国科学院黄岩岛科考队
与此同时，科考队还发现海草床附近存在低潮出露海面的潜在沙洲，调查显示 其有进一步向完全出露沙洲发育的趋势，后续可为绿海龟、玳瑁等提供理想的繁殖产卵场，并让黄岩岛从海龟、玳瑁的餐厅升级为真正的家园。
茂盛的海草床。图源：中国科学院黄岩岛科考队
此次发现是中国科学院黄岩岛科考队运用无人机巡查技术，开展的绿海龟种群识别与跟踪调查应用，借助低扰动的新调查手段拍摄到了绿海龟成群竞泳的珍贵画面。
2012年以来，我国海警持续加强对黄岩岛海域非法捕捞活动的管控，为绿海龟等珍稀海洋野生动物种群的存续提供了重要保障。近年来，南海各个岛礁，绿海龟、玳瑁、儒艮等珍稀海洋野生动物种群日益繁盛，证明我国在南海长期开展的生态保护与修复成效逐步显现。 策划制作
来源丨科技日报
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Key Quotes
> This discovery shows that the seagrass beds in the Huangyan Island lagoon have developed into a mature coral reef-seagrass bed composite ecosystem, providing a high-quality habitat for high-value species such as sea turtles and the humpback conch.
> In recent years, populations of rare marine wildlife such as green sea turtles, hawksbill turtles, and dugongs have been thriving on various islands and reefs in the South China Sea, proving that China's long-term ecological protection and restoration efforts in the region are gradually showing results.
Tags
Ecological Conservation
Marine Biology
Green Sea Turtle
Huangyan Island
South China Sea
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