Daily Population Index Graphs Includes: Population Indices, and Confidence Intervals for 2003 to present at Lower Granite Dam.

1.Choose one of the following Smolt Monitoring Project sites: Lower Granite Dam Little Goose Dam

2. Select Year: 2011 2010 2009 2008 2007 2006 2005 2004 2003

3.Select Start Date and End Date in mm/dd format:

4. Choose one of the following anadromous salmonid species:  Yearling Chinook Subyearling Chinook Steelhead

5. Choose a mark type:  Hatchery Unmarked Combined

5. Submit or Reset

• Click here for juvenile population index metadata.
• Click here for smolt monitoring program metadata.

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Page last updated on: January 25, 2011

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