Styela clava club tunicate

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Styela clava (club tunicate)
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• Ciona savignyi
• (transparent tunicate)

Janna Nichols
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Gretchen Lambert
Didemnum (colonial tunicate)
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Ashley Coutts, NZ
Janna Nichols
Janna Nichols
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• 250,000 in February 2006

Interagency response plan
Stop Styela clava from spreading
Surveys and outreach
Designate marinas as infested
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• 500,000 to Puget Sound Partnership

Ed/Outreach program
Eradicate known populations of Styela clava
Long term strategy for monitoring
Strategies for managing Ciona Styela
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Hand picking
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Pressure washing
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Plastic Wrapping
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Results

• Removed Styela from 99 of boats.
• Removed Styela from 40 of docks.
• Surveyed and additional 55 marinas.
• Surveyed lower Hood Canal and 55 marinas.

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Lessons

• Need Early Detection and Rapid Response for all
  species.
• In-water chemical controls need pre-approvals.
• No proven or established methods for control.
• Cant use recreational divers.
• Outreach failure.

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Lessons

• Involve partner agencies in solution.
• State agency caucus
• Engage stakeholders.
• Interagency Response Plan
• X-border coordination.
• Dont hesitate!
• Expect the unexpected.
• Manage the message.
• Expect pushback.
• Expect turf issues.

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