Recommendations for a Marking, Tagging, and Recovery Program ...
Recommendations for a Marking, Tagging, and Recovery Program ...
Recommendations for a Marking, Tagging, and Recovery Program ...
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Estimating hatchery escapement<br />
In-river escapement at age from hatchery stock i<br />
Estimated total in-river<br />
# ad-hoc recoveries<br />
from hatchery i &<br />
escapement in watershed j watershed j<br />
Eˆ<br />
j α ⎛<br />
zcij,<br />
α<br />
Eˆ<br />
,<br />
hi,<br />
α = ∑ ⎜ zaij,<br />
α + zbij,<br />
α +<br />
n ⎝<br />
f<br />
j E<br />
# fish sampled from<br />
in-river escapement<br />
j , α<br />
⎞<br />
⎟<br />
⎠<br />
# surrogate recoveries<br />
# CFM recoveries<br />
CFM rate<br />
In-hatchery escapement (100% sampled) is<br />
estimated in a similar fashion.<br />
Total escapement = in-hatchery + in-river
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