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Table 6 Survival estimates with standard error (SE) and detection probabilities with standard error for adult Okanagan Sockeye upstream migration from Bonneville to McNary Dam, from McNary to Wells Dam, and from Wells Dam to the Okanagan detection site (OKC) for 2013–2019

From: Migration and survival of Okanagan River Sockeye Salmon Oncorhynchus nerka, 2012–2019

Year Survival estimates (SE) Detection probabilities (SE)
Bonneville to McNary McNary to wells Wells to OKC Bonneville McNary Wells
2013 1.00 (0.00) 0.92 (0.08) NA 1.00 (0.00) 1.00 (0.01) NA
2014 0.95 (0.03) 0.79 (0.05) NA 0.96 (0.02) 1.00 (0.01) NA
2015 0.60 (0.59) 0.69 (0.06) NA 0.95 (0.03) 1.00 (0.01) NA
2016 0.88 (0.04) 0.85 (0.05) NA 0.98 (0.02) 1.00 (0.00) NA
2017 0.95 (0.03) 0.80 (0.05) NA 0.98 (0.02) 1.00 (0.01) NA
2018 0.85 (0.05) 0.83 (0.05) 0.64 (0.09) 0.95 (0.04) 1.00 (0.00) 0.92 (0.08)
2019 0.95 (0.05) 0.95 (0.05) NA 1.00 (0.01) 1.00 (0.01) NA
  1. Survival from Wells to OKC was unavailable prior to installation of the upstream array (OKP) in 2017 and otherwise unestimable due to sample size