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Physical and Biological Monitoring and Evaluation of the Lost Man Creek Dam Removal: Final Report

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Title: Physical and Biological Monitoring and Evaluation of the Lost Man Creek Dam Removal: Final Report
Creator: David G. Anderson
Vicki L. Ozaki
Redwood National Park
Date Created and/or Issued: 10/25/93
Contributing Institution: UC Riverside, Library, Water Resources Collections and Archives
Collection: Clearinghouse for Dam Removal Information (CDRI)
Rights Information: Copyrighted
Transmission or reproduction of materials protected by copyright beyond that allowed by fair use requires the written permission of the copyright owners. Works not in the public domain cannot be commercially exploited without permission of the copyright owner. Responsibility for any use rests exclusively with the user.
Description: Scope/Content: Abstract: In August 1989, Redwood National Park removed the upper hatchery dam on Lost Man Creek. The objective of this study was to monitor and evaluate physical and biological changes in channel geometry, morphology, fish habitat, and fish distribution as a result of removing the dam. Physical monitoring and evaluation indicate that as a result of the dam removal, minimal sedimentation occurred downstream of the dam. Most habitat changes were confined to the managed portion of the creek where the dam was removed and streambed altered. Although low peak winter flows have persisted throughout the study period, the channel is locally adjusting its gradient and morphology. Spawning surveys from 1985 to 1992 indicate that removal of the Lost Man Creek dam has allowed a greater percentage of the adult salmonids to migrate and spawn upstream of the old dam site. The relative percent of live adult salmonids, carcasses and redds nearly doubled upstream of the old dam site following dam removal.
Scope/Content: Height: 7 Length: 57
Scope/Content: Date constructed: 1936. Date removed: 1989.
Type: text
Form/Genre: hard copy
Identifier: ark:/86086/n24x57gk
99
Language: English
eng
Subject: Pre- and post-project monitoring
Dams
Dam retirement
Place: Lost Man Creek, CA
Praire Creek, CA
Redwood Creek, CA
Lost Man Creek Upper Dam
US

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