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Fish Passage Center. Columbia Basin Fish and Wildlife Authority (Annual Report 2004)
| 题名： | Fish Passage Center. Columbia Basin Fish and Wildlife Authority (Annual Report 2004) |
| 作者： | DeHart, M. |
| 关键词： | Electric power production##Salmon##Bubbles##Calibration##Implementation##Injuries##Lawsuits##Monitoring##Production##Runoff##Storage##Streams##Oregon##Testing##Targets##Fish passage centers##U.S. Corps of Engineers## |
| 摘要： | The runoff volume for 2004 was below average throughout the Columbia Basin. At The Dalles the January-July runoff volume was 77% of average or 83.0 MAF. Grand Coulee, Hungry Horse, and Libby were below their Biological Opinion reservoir target elevations on April 10 at the beginning of the spring salmon migration season. All major storage reservoirs except Libby, Grand Coulee, Hungry Horse, Dworshak, and Brownlee were within a few feet of full by the end of June and early July. Overall, NOAA Biological Opinion seasonal flow targets were not met at any project for either spring or summer migrations of salmon and steelhead. Overall, spill was reduced in 2004. Implementation of Biological Opinion spill for fish passage measures was wrought with contention in 2004, particularly for summer spill which was finally the subject of litigation. The spring migration spill season began with debate among the fishery mangers and tribes and action agencies regarding spill at Bonneville Dam for the Spring Creek Hatchery release. The USFWS agreed to a spill test versus a corner collector operation to determine the best route for survival for these fish. The USFWS agreement includes no spill for early Spring Creek Hatchery releases for the next two years. Spring spill at Snake River transportation sites was eliminated after April 23, and transportation was maximized. |
| 总页数： | 514 |
| 报告类型： | 科技报告 |
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