Screening Diversion in the Upper Sacramento River
Fish Passage Policy and Technology: Proceedings of a Symposium
American Fisheries Society
Unscreened diversions on the Upper Sacramento River in California have been identified as a source of juvenile salmonid losses. Legislative mandates, improvements in large screened diversions and especially listing of the winter-run chinook salmon (Oncorhynchus tshawytscha) accelerated interest in screening these diversions. Recent actions include inventorying and prioritizing diversions to be screened, outreach programs (such as demonstration projects and a workshop for water diverters) and enforcement. The author discusses these actions and cites examples of diversions recently screened. The interactions of attitudes, conflicting objectives, process, time constraints, and technical developments are discussed.
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