About Fish Passage Center
The downstream fish passage measures of the Northwest Power Planning Council
(NPPC) Fish and Wildlife Program, include measures for flow and spill to
provide mitigation for impacts to mainstem Columbia and Snake river migration
conditions due to hydrosystem development and operation. The hydrosystem is
also known as the Federal Columbia River Power System (FCRPS).
The NOAA Fisheries (formerly NMFS) Biological Opinion (BiOp) on the operation of the
Federal Columbia River Power System also incorporates flow, spill and other
measures to improve fish migration conditions for anadromous fish listed
under the Endangered Species Act (ESA). Both the
NOAA Fisheries BiOp and the NPPC Fish and Wildlife Program establish regional
processes for fish passage management. The NPPC Program established a Fish
Passage Center (FPC) and a Fish Passage Center manager to interact with
the hydrosystem operators and regulators in managing fish passage.
The FPC provides technical services to the fish agencies and tribes
impacted by the operation of the FCRPS. Recommendations regarding anadromous
fish passage and migration are developed by the Salmon Managers. The
Salmon Managers are comprised of representatives from state
and federal fishery agencies and treaty tribes of the Columbia River Basin.
The FPC participates in the in-season management processes established
by both of these mitigation and protection programs. The Salmon Manager's
recommendations are based upon FPC analysis and summary of current and
historical fish passage data.
The FPC plans and implements the annual Smolt Monitoring Program (SMP)
and the Gas Bubble Trauma study (GBT), which provides daily information
for in-season management decisions. The FPC also provides the agencies and
tribes with reservoir operation information and analysis, including
current and historical data. The FPC also coordinates the implementation
of the joint agencies and tribes comparative survival study (CSS).
During the in-river migration season, FPC summarizes current conditions
and publishes a Weekly Report. FPC also provides web distribution of
System Operation Requests (SORS) made by the Salmon Managers. SORS are
requests to the U.S. Army Corps of Engineers to operate the federal
hydrosystem to protect or enhance in-river fish passage and survival conditions.
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Page last updated on:
April 26, 2011
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