• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2006-03-01T00:00:00.000+00:00

This Bonneville Power Administration (BPA) - funded project pays for NOAA staff to operate the adult salmon trap located in the fish ladder at Lower Granite Dam. The trap is operated to provide...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-02-08T00:00:00.000+00:00

This project estimates survival and characterizes the migration of juvenile sockeye salmon between the upper Salmon River basin in central Idaho and Lower Granite Dam on the Snake River in...

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• Organization: Department of the Interior
• Updated: 2024-06-28T00:00:00Z

The main contents of this data release are estimates of daily and annual abundances of federally-threatened natural-origin age-0 fall Chinook salmon (Oncorhynchus tshawytscha) passing Lower...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-10-07T21:37:48.000+00:00

This BPA-funded study provides estimates of smolt survival and travel time through individual reaches and reaches combined in the Snake and Columbia Rivers hydropower system each year. Smolts are...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-10-07T21:22:26.000+00:00

The goal of this U.S. Army Corps of Engineers (USACE) - funded study that began in 2004 is to determine if the smolt-to-adult return rates (SARs), transport/in-river ratio, and differential...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-10-07T23:28:31.000+00:00

This is an ongoing Bonneville Power Administration funded project to annually collect, PIT tag, and release wild Chinook salmon parr in up to 15 streams of the Salmon River drainage in Idaho and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1993-12-15T00:00:00.000+00:00

This is an ongoing Bonneville Power Administration funded project to annually collect, PIT tag, and release wild Chinook salmon parr in up to 15 streams of the Salmon River drainage in Idaho and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-10-07T20:03:24.000+00:00

This U.S. Army Corps of Engineers (USACE)-funded study that began in 2005 compares the SARs of PIT tagged juvenile hatchery Snake River fall Chinook that are split into two groups, released above...

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• Organization: Department of the Interior
• Updated: 2020-11-17T00:00:00Z

During autumn 2009 and winter 2010, the U.S. Geological Survey (USGS), in cooperation with the U.S. Army Corps of Engineers (USACE), conducted a hydrographic survey using a multibeam echosounder...

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