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Can two-way trap and haul' help salmon cope with California dams?

机译:双向陷阱和运输'帮助三文鱼应对加利福尼亚水坝吗?

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摘要

Wild salmon, historically, are born in rivers, swim to sea to live out their adulthoods, and find their way back to their freshwater spawning grounds to reproduce before dying.But dams and other barriers to spawning grounds have disconnected that natural cycle, requiring fisheries managers to get creative to support salmon populations. It is now fairly common to transport salmon to and from spawning grounds by truck, boat, and even helicopter.
机译:历史上,野生鲑鱼诞生于河流,游到海上,过着他们的成年人,并找到他们的淡水产卵场,在垂死之前重现。但是产卵场的水坝和其他障碍已经断开了自然循环,需要渔业。 经理让创意支持鲑鱼群。 现在,将鲑鱼运送到卡车,船只,甚至直升机,从鲑鱼交通到鲑鱼。

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