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Removal of Oregon Dam Allows Reopening Of 500 Miles of Salmon Spawning Habitat

机译:拆除俄勒冈大坝可重新开放500英里鲑鱼产卵场

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The Savage Rapids Dam on the Rogue River in southern Oregon was removed on Oct. 9, allowing access to 500 miles of salmon spawning and rearing habitat.rnThe dam removal is believed to be one of the largest in the nation, according to WaterWatch of Oregon, one of the conservation groups that negotiated the agreement with the dam's owner.rnThe removal project has cost a total of $40 million in federal and state funds, according to the Pacific Northwest Regional Office at the U.S. Bureau of Reclamation.rnRogue River coho salmon are listed as threatened under the Endangered Species Act.rnThe 39-foot-high irrigation diversion dam was built in 1921 by the Grants Pass Irrigation District. The fish ladders and screens intended to help fish bypass the dam were considered ineffectual, and the dam was partially blocked by anadromous fish, including coho and chi-nook salmon and steelhead trout.
机译:10月9日,俄勒冈州南部Rogue河上的Savage Rapids大坝被拆除,可以进入500英里的鲑鱼产卵场并饲养栖息地。rn据俄勒冈州WaterWatch统计,大坝拆除被认为是美国最大的大坝之一。 ,是与大坝所有者谈判达成协议的保护组织之一。根据美国垦殖局太平洋西北地区办事处的说法,拆除项目总共花费了联邦和州资金4000万美元。 39英尺高的灌溉引水大坝由Grants Pass灌溉区于1921年建造。旨在帮助鱼类绕过大坝的鱼梯和筛网被认为是无效的,并且大坝被包括银大麻哈鱼和奇努克鲑鱼和鳟鱼的虹鳟鱼部分阻塞。

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  • 来源
    《Environment reporter》 |2009年第41期|2417|共1页
  • 作者

    Tom Alkire;

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