Salmonid Restoration Validation in Ten Mile Creek, Mendocino County 2021-2022

Juvenile Coho Salmon abundance was measured for a before-after, control- impact (BACI) analysis of restoration effectiveness. Analyses evaluated the effectiveness of Phase I habitat restoration at increasing Coho Salmon abundance. These analyses include three years of pre-treatment and three years of post-treatment monitoring data for each monitoring metric. The resulting report includes Juvenile Reach Level Abundance Estimates, Pre- and Post-Treatment Comparison of Reach-Scale Abundance (T-tests), BACI Models to Test for Treatment Effects, and Production of juvenile Coho Salmon estimated for: (1) the watershed upstream of the upper trap, and (2) the watershed upstream of the lower trap. Seasonal patterns of juvenile Coho Salmon movement, growth, residence time, and survival within the project reach were compared across years to assess whether these variables were influenced by implementation of Phase I restoration. Data were collected as detailed in Stillwater Sciences (2023). Report available upon request. Stillwater Sciences. 2023. South Fork Ten Mile River Coho Salmon Restoration Project: Phase 1 Validation Monitoring and Life History Characterization. Final Report. Prepared by Stillwater Sciences, Arcata, California for The Nature Conservancy, San Francisco, California. This data and metadata were submitted by California Department of Fish and Wildlife (CDFW) Staff though the Data Management Plan (DMP) framework with the id: DMP000677. For more information, please visit https://wildlife.ca.gov/Data/Sci-Data.