Return to the River: Restoring Salmon Back to the Columbia RiverRichard N. Williams Elsevier, 21 нояб. 2005 г. - Всего страниц: 720 Return to the River will describe a new ecosystem-based approach to the restoration of salmon and steelhead populations in the Columbia River, once one of the most productive river basins for anadromous salmonids on the west coast of North America. The approach of this work has broad applicability to all recovery efforts throughout the northern hemisphere and general applicability to fisheries and aquatic restoration efforts throughout the world. The Pacific Northwest is now embroiled in a major public policy debate over the management and restoration of Pacific salmon. The outcome of the debate has the potential to affect major segments of the region's economy - river transportation, hydroelectric production, irrigated agriculture, urban growth, commercial and sport fisheries, etc. This debate, centered as it is on the salmon in all the rivers, has created a huge demand for information. The book will be a powerful addition to that debate.
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... dams for irrigation, navigation, and power production (Figure 1.6; Lichatowich 1999). These same forces continue to alter terrestrial and aquatic habitats in the ... Bonneville Dam, the lowermost of. 1. The Columbia River Salmon Problem 9.
... Dam in 1933. This was followed by Bonneville Dam in 1938 and Grand Coulee Dam in 1941 (Figures 1.5 and 1.6). Bonneville Dam (Figure 1.7) is now the lowermost in a series of dams that stretches throughout the Columbia Basin. By the time ...
... Dam, the uppermost of the four dams on the lower Snake River. Salmon and steelhead returning to central Idaho pass ... Bonneville Dam that are accessible to salmon and steelhead: the Hanford Reach in the Columbia River and Hells Canyon ...
... dams and transported to below Bonneville Dam in barges or trucks. The use of hatcheries to replace spawning habitat has a long history in the Columbia River. The first hatchery in the Columbia River was built on the Clackamas River (a ...
... Bonneville Dam, the lowermost of the dams on the Columbia River. Photo by R. N. Williams. Figure 1.11 Hatchery raceways at Bonneville Dam. Covers protect the. 1. The Columbia River Salmon Problem 13.
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Return to the River: Restoring Salmon to the Columbia River Richard Nicholas Williams Недоступно для просмотра - 2006 |