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

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Major flexibility constraints <strong>of</strong> <strong>the</strong> smolt s<strong>to</strong>cking cycle (Figure 1) are hatchery rearing<br />

requirements and smolt transportation. Changes <strong>to</strong> some aspect <strong>of</strong> smolt rearing<br />

may need <strong>to</strong> be vetted a year or more in advance. O<strong>the</strong>r aspects <strong>of</strong> smolt<br />

April<br />

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

USFWS<br />

Field<br />

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

Trip <strong>Plan</strong> &<br />

Hatchery<br />

Coordination<br />

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

<strong>Plan</strong><br />

USFWS<br />

Hatchery<br />

June<br />

Smolt Trap<br />

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

Log<br />

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

<strong>Plan</strong><br />

Available<br />

Smolts<br />

SmoltTrap<br />

Revise Marking <strong>Plan</strong><br />

January<br />

AdultTrap<br />

s<strong>to</strong>cking, such as shifting a s<strong>to</strong>cking location can usually be done with short notice.<br />

However, under adaptive management, all substantive decisions should be planned,<br />

following <strong>the</strong> process outline in <strong>the</strong> adaptive management section <strong>of</strong> this plan.<br />

Marking is <strong>the</strong> primary means <strong>of</strong> assessing management changes. Smolts marks are<br />

coordinated by an interagency Marking Group. All marking needs must be vetted<br />

through this group <strong>to</strong> ensure unique and compatible marking.<br />

Figure 1. Atlantic salmon smolt s<strong>to</strong>cking cycle.<br />

Adaptive Management Adult S<strong>to</strong>cking or Transport<br />

November<br />

1. There are many potential variables that can influence <strong>the</strong> success <strong>of</strong> naturally<br />

spawning adults. Fur<strong>the</strong>r, fish that have been reared and released under<br />

artificial circumstances carry ano<strong>the</strong>r set <strong>of</strong> fac<strong>to</strong>rs that will affect <strong>the</strong><br />

outcome.<br />

2. Projects should attempt <strong>to</strong> control <strong>for</strong> some extraneous fac<strong>to</strong>rs.<br />

PRFP Page 167<br />

July<br />

Adult Trap<br />

Cohort Age, Origin,<br />

& Mark Analyses<br />

Review<br />

Previous<br />

Years<br />

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

Marking <strong>Plan</strong>s<br />

December<br />

Place<br />

Hatchery<br />

Order<br />

Oc<strong>to</strong>ber

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