探访浙江五峙山列岛:自然保护孕育“海鸟天堂”|久久精品国产精品

  中新网舟山7月11日电(鲍梦妮)近日,由浙江省自然资源厅举行的“两山”理念20年记者采风活动走进浙江省舟山市五峙山列岛,了解浙江省级山水林田湖草海一体化保护和修复工程建设成效。

浙江舟山五峙山列岛,海鸟齐飞。 鲍梦妮 摄

  五峙山列岛是浙江省唯一的省级海洋鸟类自然保护区,今年这里共栖息着中华凤头燕鸥、大凤头燕鸥、黑尾鸥等珍稀鸟类成鸟约1.4万只。探访前夕,台风“丹娜丝”刚与舟山擦肩而过,海面重归平静。随着船只靠近,可见成片海鸟盘旋于小岛上空,在蓝天之下尤为引人瞩目。

  舟山市自然资源和规划局定海分局自然保护地管理科科长张剑,自2021年起就成为五峙山列岛的守鸟人。其早已练就一双“火眼金睛”,能够在群鸟中一眼识别中华凤头燕鸥。“嘴端黑色、全身洁白的就是。”他指着远处的一只鸟说。

  中华凤头燕鸥是国家一级重点保护野生动物,一度濒临灭绝、踪迹难觅,因此也被称为“神话之鸟”,数量少时全球仅有不足50只。每年5—8月是中华凤头燕鸥的繁殖期。一对中华凤头燕鸥“夫妻”一次只产一枚卵,十分“金贵”。

飞翔的中华凤头燕鸥。 张剑 摄

  由于岛面不平坦,鸟蛋极容易滚落。“我们在不改变海岛风貌的前提下,因地制宜铺上限定大小的石子瓦片,方便燕鸥固定鸟蛋,减少滚落情况的发生。”张剑说。

  2023年,鸟岛生物多样性保护工程被列入浙江首批省级山水林田湖草海一体化保护和修复工程。除前述优化鸟类栖息地的基础设施举措之外,当地自然资源部门还开展了燕鸥觅食区综合整治。

  中华凤头燕鸥以海洋小型鱼类为主食,其他底栖动物亦位于其“菜单”。然而,保护区附近滩涂的入侵物种互花米草却不利于中华凤头燕鸥生存。“我们集中除治互花米草后,发现底栖动物明显增加,前来觅食的海鸟随之增多,对燕鸥稳定繁殖起到了一定作用。”舟山市定海自然资源和规划管理中心主任柳海兵介绍。

  此外,舟山还重点打造了“智慧鸟岛”建设项目,通过建设自然保护区数字化管理平台,整合近90个高清摄像头,实现鸟类繁殖栖息全天候、全覆盖监测,运用数字孪生、边缘计算等前沿技术,对鸟类进行实时跟踪和识别,正确率达95%以上,为中华凤头燕鸥种群恢复装上了精准的“数据引擎”。

  据悉,在鸟岛生物多样性保护工程的推动下,五峙山列岛近三年吸引中华凤头燕鸥154只,已是中华凤头燕鸥全球第二大繁殖地。“目前五峙山列岛有中华凤头燕鸥成鸟约66只,繁殖巢53个,今年已繁殖出幼鸟23只。”张剑说。(完)

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