RMP Transplanted Bivalve Program

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RMPTransplanted Bivalve Program

• Recommendations for Consideration
• Eliminate Maintenance Cruise
• Reinstitute Wet-season Deployments at YBI
• TRC Meeting 20 September 2005

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Eliminate Maintenance Cruise

• Objectives of Maintenance Cruises
• Reduce mooring losses from equipment failure
• Reduce potential negative effects of fouling on
  bivalve health

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Maintenance Cruise has never prevented the
mid-deployment loss of a mooring due to equipment
failure
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Maintenance Effects on Survival
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Maintenance Effects on Growth
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No differences in survival or growth between
maintained and unmaintained cages
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Reinstitute Wet-season Deployment at YBI

• Based on analysis of trends in legacy pesticides
  at YBI for Connor, et al. synthesis article
• Relationships among legacy pesticides and time,
  rainfall and delta outflow (95th percentile and
  mean)

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Wet-season deployments at YBI would help track
historic trends in PCBs and legacy pesticides and
the effects of delta outflow and management
actions on trends
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