Fish 513. Seminar 1. April 3.

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Fish 513. Seminar 1. April 3. The PRISM
Context Jeff Richey
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PRISM ISSUES
What will the coupled Puget Sound system look
like over time for different spatial units?
How can the advanced information required to
address the futures questions be mobilized and
distributed?
How can advanced information be incorporated
into and developed from education?

• How can advanced information be incorporated
• into the general public and ultimately policy?

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WRIA-SPECIFIC TO WHOLE BASIN/ESU
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Flow Verification

• Using all available flow data
• Hourly, daily, monthly, and annual flows

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Evaluating the Impact of Landscape Pattern
on Watershed
Hydrology
Prism 98 Classified Landcover Snoqualmie
Drainage Basin (M. Logsdon)
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Evaluating the Impact of Landscape Pattern
on Watershed
Hydrology
Classified real
Random
Patchy
Smooth
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Accumulated Sum Difference (1990 1991)
The Difference in the total amount of water
flowing past the mouth of the basin between the
real landscape (1998 classified) and the
simulatedpattern Random, Patchy, and Smooth
A 12 change in the forest composition, impacts
the total accumulated flow to a greater degree
then does a change in the pattern of the
landscape with the same composition.
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Wissmar et al
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What are the recovery actions on a WRIA-by-WRIA
basis, which in the aggregate over the ESU would
provide numerically definable targets for
sustainable and harvestable populations of salmon
at definable financial costs?