斯德哥尔摩鱼隧道 – 2 层
28-10-2024 07:00
瑞典为游泳能力较弱的鱼建造了一条新的鱼道。
近 380 年来，这些鱼无法在马拉伦湖和波罗的海之间自由游动。这条新隧道为它们提供了一条移动通道，这将有助于让更多种类的鱼类在湖中生活。这条隧道是斯德哥尔摩斯鲁森水闸系统的一部分。鲑鱼等鱼类可以跳跃，但其他一些鱼类则不够强壮。
隧道里有石头，看起来很自然。隧道里还装有监视鱼群的摄像头。甚至水獭也能进入隧道。这样做的目的是帮助鱼类增加数量，改善湖泊环境。
您可以在三级部分观看原始视频。
瑞典新建鱼道的目的是什么，它对马拉伦湖的环境有何益处？
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