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Generated
Fri Mar 23 15:04:34 2018. Columbia River DART (Data Access in Real Time) www.cbr.washington.edu/dart.

#### Notes

1. Detection Probability at a Given Project for a Specific Year = r / (r + z)
where:
r is the total number of fish recaptured (pit tag detected) within a specific year from a given release, R, at a given project, e.g., McNary, and at any location upstream of the project after the recapture at the given project
z is number of recaptured fish within a specific year at any location upstream of the given project from a given release, R, not recaptured at the given project
R is virtual release of fish recaptured at Bonneville Dam Adult Fishways within a specific year meeting the release basin, species, run and rear type criteria.
2. Standard Error is calculated using the Manly-Parr estimate of detection probability
SÊ(p̂) = $\sqrt{\mathrm{rz / \left(r+z\right)3}}$

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