Abstract Title

Session S-08A: Harmful Algal Blooms, Climate, Shellfish, and Public Health - Emerging Issues in a Changing World

Proposed Abstract Title

Geoduck and PSP, an unusual season in Southern Salish Sea

Presenter/Author Information

David WinfreyFollow

Keywords

Harmful Algal Blooms and Shellfish

Location

Room 6C

Start Date

1-5-2014 5:00 PM

End Date

1-5-2014 6:30 PM

Description

Starting in November of 2012, there was an unusually long PSP biotoxin geoduck closure in the Southern Salish Sea (Vashon & Bainbridge Islands). HABs in the area have usually occured during warm sunny months. The weekly geoduck PSP samples remained over the closure limit even though mussel samples showed little or no toxins. There seemed to be a PSP migration from North to South. Individual geoduck gut contents were examined for cells or cysts but was inconclusive. A similar Winter closure occured eight years prior, pointing to possibe cyclic occurence.

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May 1st, 5:00 PM May 1st, 6:30 PM

Geoduck and PSP, an unusual season in Southern Salish Sea

Room 6C

Starting in November of 2012, there was an unusually long PSP biotoxin geoduck closure in the Southern Salish Sea (Vashon & Bainbridge Islands). HABs in the area have usually occured during warm sunny months. The weekly geoduck PSP samples remained over the closure limit even though mussel samples showed little or no toxins. There seemed to be a PSP migration from North to South. Individual geoduck gut contents were examined for cells or cysts but was inconclusive. A similar Winter closure occured eight years prior, pointing to possibe cyclic occurence.