In 2005 ODFW reviewed the status of all redband trout populations in the Oregon portion of the Great Basin. Authors of the Native Fish Status Review identified numerous data gaps that prevented a thorough review of population status and trend. In many cases the assessment was based on one year of data or speculation.

Prompted by the need for a consistent and continuous dataset The Native Fish Investigations Project is initiating a 6-year pilot study to assess population status of redband trout. Using a sample design developed by EPA's Environmental Monitoring and Assessment Program redband trout abundance in all 6 interior basins will be assessed every year, starting the summer of 2007. In addition all populations will be assessed twice (at 3-year intervals) during the course of the study. The results of the study will allow ODFW to:

• Thoroughly assess population status and trend;
• Provide appropriate management to ensure future fishing opportunities;
• Write effective conservation plans; and
• Assess response of fish populations to changes in climatic conditions.

Annual Results:

2007 Summary

Relevant Information: