吉林两处国际重要湿地迎来候鸟迁徙高峰|无码人妻AⅤ一区二区三区
1. 无卡一区2区
中新网长春10月20日电 (张瑶 赵冷冰)记者20日从吉林省林业和草原局获悉,今秋莫莫格、向海两大国际重要湿地同步迎来候鸟迁徙高峰,累计记录候鸟数量已超25万只。作为东亚—澳大利西亚候鸟迁徙路线上的关键节点,两处湿地凭借持续改善的生态环境,成为珍稀候鸟南迁途中的“黄金补给站”。

眼下,吉林莫莫格国家级自然保护区内热闹非凡,目前已记录水鸟总数超15万只,包括白鹤、白头鹤、灰鹤、东方白鹳、小天鹅等。据悉,这里承载着全球50%以上的白鹤停歇量,今秋白鹤种群数量较春季的1100余只有显著提升。
专家表示,今春莫莫格湿地白鹤停歇时长达到61天,超过多年平均水平,而秋季种群数量的增长,进一步印证了湿地栖息环境的持续优化。保护区内纵横交错的江河泡沼孕育了丰富植被,不仅为白鹤提供了喜爱的藨草根茎,也为东方白鹳等备足了鱼虾、螃蟹等食物。

为精准守护候鸟家园,保护区基于监测数据优化管理策略,通过合理调控水位、扩大浅滩区域,为不同生态位候鸟打造适宜觅食环境。同时,联合地方政府、电力部门及志愿者开展全天候巡护值守,在重点区域设置宣传栏,全方位杜绝人为干扰。“我们将持续强化科学监测与湿地修复,筑牢候鸟迁徙的生态屏障。”保护区科研人员王波表示。
与此同时,逾10万只水鸟陆续飞抵吉林向海国家级自然保护区,为秋日湿地注入蓬勃生机。科研监测数据显示,今秋保护区内白鹤数量已达3000只、白头鹤600余只、灰鹤3000余只,大雁等雁鸭类候鸟成群结队,难以计数。
据了解,通过实施湿地综合治理、全区禁牧及科学引水工程,向海湿地人为干扰得到有效控制,适宜涉禽栖息的浅滩、沼泽面积恢复至4万多公顷。该保护区管理局副局长林宝庆介绍,今年保护区进一步强化巡护执法,增设监控点位,规范监测救护流程,全面提升对水鸟及栖息地的保护能力。(完)
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