珍贵画面!南沙首次发现绿海龟产卵场|国产麻豆天美果冻无码视频
近日,中国科学院南海海洋研究所南沙海洋生态环境实验站(南沙站)传来重大喜讯——科研人员在三沙市某岛礁发现一处绿海龟产卵场。这是该区域首次发现海龟产卵场,不仅为我国南海海龟保护研究提供了关键实证,更填补了南沙海域海龟繁殖生态研究的空白。

据了解,此次发现源于中国科学院岛礁综合研究中心支持的常态化生态环境监测工作。南沙站科研人员在生态调查中,在岛礁沙滩区域发现疑似海龟产卵后留下的沙坑痕迹。这些呈不规则圆形的凹陷深度约30厘米,周边散落着翻动的沙粒,与绿海龟典型的产卵习性高度吻合。

为进一步确认这一发现,南沙站立即联合管理方启动专项调研工作,通过布设相关监测设备和夜间巡逻查证,科研团队成功获取了海龟在沙滩活动(包括上岸与返回海洋)的影像记录。在获取的视频素材中,观察到了海龟在沙滩上移动的行为,包括利用四肢在沙滩匍匐前进。同时,科研团队在现场采集到形态典型的绿海龟卵样本——卵壳洁白坚韧、直径约4厘米,经鉴定确为绿海龟卵。综合以上发现,最终确认该区域为绿海龟产卵场。

现场勘察资料显示,沙地上留有清晰的鳍状肢爬痕,延伸至海水边缘,显示出海龟登陆与返回海洋的完整路径;采集到的海龟蛋排列紧密,包裹在湿润的沙层中,孕育着新的生命。这些资料不仅有力佐证了产卵场的存在,更为研究绿海龟的繁殖行为提供了珍贵素材。

南沙站负责人表示,绿海龟作为国家一级保护动物,其繁殖地的发现对生态保护具有里程碑意义。该产卵场相较于以往在西沙海域发现的产卵场,向南推进了约600公里,也印证了南沙海域优越的海洋生态环境为濒危物种提供了适宜的栖息条件。

科研团队将联合管理部门对该区域实施保护性监控,并启动相关环境因子监测,为后续孵化研究奠定基础。这一发现将推动我国南海岛礁生态系统保护体系的完善,为全球海龟保护网络贡献中国数据。
(总台央视记者 帅俊全 褚尔嘉)
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