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Using Otolith Chemistry to Discriminate Pacific Herring Stocks in AK Quarterly Tasks

2007 Quarterly Project Tasks:

1st Quarter Tasks (October 1, 2006 - December 31, 2006)
Status: Complete

Tasks to be performed:

Project funding approved by Trustee Council

Progress report:

Complete

2nd Quarter Tasks (January 1, 2007 - March 31, 2007)
Status: Complete

Tasks to be performed:

Extract, section, and polish otoliths. Annual Marine Science Workshop. Begin LA-ICP-MS chemical analysis of otoliths.

Progress report:

Attended Marine Science Workshop. Extracted, sectioned, and polished previously collected otoliths and began LA-ICP-MS chemical analysis.

3rd Quarter Tasks (April 1, 2007 - June 30, 2007)
Status: Complete

Tasks to be performed:

April: Collect PWS spawning samples (hearts & otoliths) April-June: Complete LA-ICP-MS chemical analysis of otoliths, Begin chemical analysis of hearts

Progress report:

April: Collect PWS spawning samples (hearts & otoliths) COMPLETED April-June: Complete LA-ICP-MS chemical analysis of otoliths UNDERWAY Begin chemical analysis of hearts COMPLETED

4th Quarter Tasks (July 1, 2007 - September 30, 2007)
Status: Complete

Tasks to be performed:

July: Complete chemical analysis of hearts July-August: Complete statistical analysis of data, begin final report September 30: Submit Final Report

Progress report:

A no-cost extenstion was approved for this project to allow funds for the final report to be spent in FY08. Final report preperation is underway.

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