![]() ![]() Restoring a once vast wetland ecosystem connected to the Redwood Creek estuary by constructing planting mounds to establish a spruce dominate forest to shade-out invasive reed canary grass. Strawberry Creek, Redwood National Park, CA.Lansdale Avenue Fishway on San Anselmo Creek, CA ĭesign and hydraulic monitoring of a partial-spanning pool-and-chute fishway at a perched culvert outlet.Innovative vortex-shaped fish baffles with training wall placed in a long culvert to concentrate water and debris down the center and provide migration corridors along the margins at high flow. Lansdale Avenue Baffles, San Anselmo Creek, CA.Multi-day workshops for the US Forest Service provide hands-on training in assessment and design of road-stream crossings for passage of aquatic organisms.Ī geomorphic-based roughened channel constructed of rock and large wood protects the upstream channel from incision and resulting instability while providing fish passage. Aquatic Organism Passage Workshop, Harrisonburg, VA.Trabuco Creek, San Juan Capistrano, CA Ĭonducting physical modeling of a nature-like roughened channel to determine optimal boulder placement for providing adult and juvenile steelhead passage at a keystone Southern California barrier.Dunn Creek Bridge Crossings, Mendocino County, CA ĭesigning bridge crossings for timberland roads to improve fish passage.įish passage design workshop for the Alaska Department of Fish and Game.Casper Creek Experimental Forest, Fort Bragg, CA Ī fishway provides passage for adult and juvenile salmonids while labyrinth weir spillway gates and removable summer weir panels provide accurate flow control to avoid backwatering the upstream flow measurement weir.Little Browns Creek, Trinity River, CA Ī geomorphic-based roughened channel combined with woody-debris scour structures and bioengineering bank stabilization restores channel stability and function within this historically relocated and placer-mined stream.Providing design refinements and daily construction oversight for Caltrans to build 11 boulder weirs during the bridge replacement project, thus protecting upstream coho habitat from channel incision.Ī series of weirs installed below a municipal water intake provides sufficient depth on the intake fish screen and allow for accurate gaging of in-stream bypass flows for real-time operation of pumps. ![]() Dunn Creek at Highway 1, Mendocino County, CA.Online Fish Passage Case Studies for Advanced Learning Ĭondensing projects to their useful essence, and emphasizing the application of general principles, the means used to address unique site conditions, and the lessons learned.Roughened channel provides fish passage over an abandoned dam and into an impounded wetland that provides juvenile coho rearing habitat. South Fork Janes Creek Dam, Humboldt Bay, CA.Geomorphic and engineering studies supported removal of this small dam, which blocked southern steelhead from accessing this wilderness stream in a remote corner of Central California. Horse Creek Dam, Sisquoc River, Los Padres National Forest, CA.Testing a new weir shape for pool and chute fishways, using a 1:15 scale model to derive Chezy coefficients based on fishway flow and slope. Flume Tests of Vortex Pool & Chute Fishway, Humboldt State University.Restoring fish access for coho salmon to this large slough at the mouth of California’s only major undammed river. Gaviota Creek at Highway 101, Santa Barbara County, CA Ī geomorphic and fish passage assessment of Gaviota Creek adjacent to Highway 101 characterizes channel incision due to channel realignments and describes effect of existing concrete drop structures on the native fisheries.FishXing Software and Resources, US Forest Service ĭeveloping and maintaining the internationally recognized fish passage software, User Manual, Resource Library, and Case Studies for the US Forest Service.Replacing a perched low-water ford and restoring an aggraded upstream channel using bioengineering bank stabilization techniques along a tight meander. Arroyo Tajiguas, Santa Barbara County, CA.Salmon Creek Estuary, Humboldt Bay National Wildlife Refuge Ĭreating a muted tidal system and constructing new slough channels, salt marsh, and backwater habitats behind existing levees to establish a functioning estuary.A unique and award winning Vortex Weir Fishway proved to be an effective solution for providing fish passage over a steep grade while conveying large flows and debris. ![]()
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