Action Effectiveness Monitoring for the Columbia River Estuary Habitat Restoration Program: Annual Report for Year 4 (September 15, 2007 – March 31, 2009)

This report describes Action Effectiveness Monitoring program accomplishments during September 15, 2007 to March 31, 2009, or Year 4 of this on-going project. For a background on the project since its inception in 2007, please see previous years' annual reports.