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Operational Plan for the Restoration of Diadromous Fishes to the ...

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Table 4. Data sources, parameters, data links, and adaptive management actions<br />

based on assessments<br />

Databas<br />

e Source<br />

S<strong>to</strong>cking<br />

AdultTrap<br />

SmoltTra<br />

p<br />

AdultTrap<br />

Redd<br />

In<strong>for</strong>mat<br />

ion<br />

Numbers<br />

,Location<br />

, Marks<br />

Number,<br />

FW and<br />

Sea Age,<br />

Origin,<br />

Mark<br />

Number,<br />

Origin,<br />

FW Age,<br />

Mark<br />

In river -<br />

In year<br />

(Weldon<br />

and<br />

Veazie)<br />

Distributi<br />

on <strong>of</strong><br />

Hatchery<br />

Cohort Calculations<br />

yr = Cohort<br />

year<br />

1SW = yr-1<br />

cohort 2SW =<br />

yr-2 cohort<br />

S1 = yr cohort<br />

H1W1 = yr-<br />

1cohort<br />

1SW = yr-1<br />

cohort 2SW =<br />

yr-2 cohort<br />

Sea age and<br />

mark specific<br />

return rates<br />

FW age and<br />

mark<br />

proportional<br />

Links <strong>to</strong><br />

s<strong>to</strong>cking<br />

Location,<br />

River<br />

Conditions,<br />

Timing<br />

Location,<br />

River<br />

Conditions,<br />

Timing<br />

Escapement,<br />

mark & sea<br />

age specific<br />

recapture rates Location<br />

redds NA Location<br />

Adaptive<br />

Management Action<br />

Change location if<br />

return rates lower than<br />

o<strong>the</strong>r sites over range<br />

<strong>of</strong> river conditions<br />

Change location if<br />

captures<br />

disproportionate <strong>to</strong><br />

s<strong>to</strong>cking proportions<br />

over range <strong>of</strong> river<br />

conditions<br />

Change location if fish<br />

released <strong>to</strong> river are<br />

not immigrating in<strong>to</strong><br />

spawning habitat<br />

Change location if fish<br />

released <strong>to</strong> river are<br />

not immigrating in<strong>to</strong><br />

spawning habitat<br />

Table 5. Adaptive management actions based on location-specific assessment <strong>of</strong><br />

smolt s<strong>to</strong>cking.<br />

S<strong>to</strong>cking Location has ____ than o<strong>the</strong>r s<strong>to</strong>cking locations<br />

Smolt<br />

captures<br />

Return<br />

rates<br />

In-Year In-<br />

River<br />

Recapture<br />

Rates at VZ Assessment Options<br />

Broods<strong>to</strong>ck, change<br />

location<br />

> or = > > Imprinted <strong>to</strong> lower river<br />

> or = > = Effective escapement Check <strong>for</strong> spawning<br />

> or = > < Effective escapement Check <strong>for</strong> spawning<br />

Imprinted <strong>to</strong> lower Broods<strong>to</strong>ck, change<br />

> or = = > River<br />

location<br />

> or = = = Effective escapement Check <strong>for</strong> spawning<br />

> or = = < Effective escapement Check <strong>for</strong> spawning<br />

Evaluate Water Quality,<br />

Differential ocean smolt physiology, scale<br />

> or = < > survival<br />

loss at site<br />

Evaluate Water Quality,<br />

Differential ocean smolt physiology, scale<br />

> or = < = survival<br />

loss at site<br />

Evaluate Water Quality,<br />

Differential ocean smolt physiology, scale<br />

> or = < < survival<br />

loss at site<br />

Evaluate Habitat, Passage,<br />

Differential river Water Quality, scale loss at<br />

< < < or = or > survival<br />

site<br />

PRFP Page 166

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