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Long Term Monitoring
Monitoring the migrations of wild Snake River spring/summer Chinook salmon smolts
Steve Achord
NOAA Fisheries Service
National Marine Fisheries Service
Research funded by Bonneville Power Administration and
NOAA Fisheries Service.
Long Term Monitoring
1988 - present
NOAA Fisheries Service crew electrofishing
for the wild fish PIT-tagging study on Big
Creek at Taylor Ranch Field Station.
Steve Achord and field crew members of the NOAA Fisheries Service have been collecting and PIT tagging wild Chinook salmon parr in several streams of the Salmon River basin, annually since 1988. The overall study objective is to monitor the migration timing and parr-to-smolt survival of these ESA-listed wild fish populations to downstream traps, in-stream PIT-tag monitors, and dams; and examine how water quality parameters, weather, and climatic influences affect fish movement and survival rates. Taylor Ranch Field Station provides NOAA Fisheries Service a unique opportunity to collaborate with the University of Idaho on fisheries and ecosystem studies within a large wilderness drainage. In-stream PIT-tag monitoring systems scheduled for deployment in Big Creek at the ranch in 2006 will provide additional valuable information on movement and survival of ESA-listed fish in this drainage and allow opportunities for the University of Idaho and other agencies to do studies on other fish species in this system.
(left photo) Patrick Della Croce, undergraduate research student at TRFS,
Lanesa Hodge and Steve Achord, NOAA Fisheries, are shown tagging and recording biological information on tagged fish in 2005.
(right photo) Steve Achord preparing for the initial installation of a water quality monitoring device at Taylor Field Station.
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