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Decision Analysis of Actions Affecting Endangered
Snake River Chinook Salmon
Contracting Agency: Bonneville Power Administration
Other Participants: Northwest Power Planning Council, National Marine
Fisheries Service, U. S. Fish and Wildlife Service, Oregon Department
of Fish and Wildlife, Idaho Department of Fish and Game, Washington
Department of Fish and Wildlife, Columbia River Intertribal Fisheries
Commission, U.S. Army Corps of Engineers, U.S. Forest Service
For the past several years, the Bonneville Power
Administration, the Northwest Power Planning Council, the National
Marine Fisheries Service, and various state and tribal resource
agencies have been attempting to work together to compare and enhance
the population models used by all of the agencies to evaluate management
options intended to enhance recovery of depleted Columbia River
Basin salmon stocks.
ESSA has been contracted to review, evaluate
and compare the behaviour of these models and attempt to resolve
the fundamental differences among them through hypothesis formulation
and testing. ESSA has led a multi-year co-operative research plan,
PATH (Plan for Analyzing and Testing Hypotheses), involving 25 scientists
from 11 agencies, as well as seven independent scientists.
Under ESSA's guidance, these federal, state,
and tribal organisations have jointly assessed hypotheses that affect
key management decisions, and completed a comprehensive decision
analysis of alternative management scenarios, including actions
in hydrosystem, hatchery, habitat, and harvest domains. The PATH
group has also recently completed a quantitative analysis of experimental
management actions.
PATH Publications:
 Deriso,
R.B., D.R. Marmorek, and I.J. Parnell. 2001. Retrospective
Patterns of Differential Mortality and Common Year Effects Experienced
by Spring Chinook of the Columbia River. Can. J. Fish. Aquat.
Sci. 58(12): 2419-2430
[PDF- 774 kb]
Marmorek,
D.R. and C.N. Peters. 2001. Finding
a PATH towards scientific collaboration: insights from the Columbia
River Basin. Conservation Ecology 5(2): 8.
[HTM - off site]
Peters, C.N.
and D.R. Marmorek. 2001. Application
of decision analysis to evaluate recovery actions for threatened
Snake River spring and summer chinook salmon (Oncorhynchus tshawytscha).
Can. J. Fish. Aquat. Sci. 58(12): 2431-2446.
[PDF- 2.02 mb]
Peters,
C.N., D.R. Marmorek, and R.B Deriso. 2001.
Application of decision analysis to evaluate recovery actions for
threatened Snake River fall chinook salmon (Oncorhynchus tshawytscha).
Can. J. Fish. Aquat. Sci. 58(12): 2447-2458.
[PDF- 1.57 mb]
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