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Quagga Mussel Incident Susan Ellis California Department of Fish and Game September 13, 2007

Quagga Mussel Incident Susan Ellis California Department of Fish and Game September 13, 2007. Natural History. Freshwater species Native to Ukraine and Russia A form of zebra mussels (Genus Dreissena ) Came to U.S. in late 1980’s (ballast water?) Very prolific: 1 million eggs/year

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Quagga Mussel Incident Susan Ellis California Department of Fish and Game September 13, 2007

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  1. Quagga MusselIncidentSusan EllisCalifornia Department of Fish and GameSeptember 13, 2007

  2. Natural History • Freshwater species • Native to Ukraine and Russia • A form of zebra mussels (Genus Dreissena) • Came to U.S. in late 1980’s (ballast water?) • Very prolific: 1 million eggs/year • Larvae free-swimming • Adults can live at least a week out of water

  3. California Concerns • Spread readily – Vessels/Trailers/Water • Environmental damage. • Economic impacts. • Eradication from Colorado River system unlikely.

  4. What’s At Risk?

  5. Dreissenid Mussel Range 1988

  6. Range in 1998

  7. Range February, 2007 Zebra mussel Quagga mussel Zebra mussel on boat trailers

  8. Quagga Mussel in California • Colorado River • Lake Havasu • Grass Bay, south of the Havasu Landing Resort • Parker Dam • South of Parker Dam • Colorado River Aqueduct – 242 miles of the system • Lake Skinner, Riverside County • Lake Mathews, Riverside County • San Vicente Reservoir, San Diego County • Dixon Lake, San Diego County • Lower Otay Reservoir, San Diego County

  9. Quagga Mussel in the West

  10. Incident Overview • Invasive aquatic species • Discovered in Lake Mead on January 6, 2007 • Formed an Incident Command, developed coordinated response and appropriated state resources • Found at Lake Mohave, Lake Havasu, MWD diversion intake structure

  11. California Response • Unified response using incident command system • Agencies involved: Fish & Game, Water Resources, Food & Agriculture, Boating & Waterways, US Fish & Wildlife Service, Metropolitan Water District, City of San Diego • Coordination with multi-state quagga mussel team for Lake Mead incident • Governor appropriated deficiency >$2m for FY2006-7 and >$5.4m in FY2007-08 • Legislation pending – AB1683 Wolk

  12. Incident Command Structure

  13. California Actions – Surveys • Dive Surveys - Lower Colorado River and inland waters in southern California. • Surface Surveys - all high priority waterbodies in the state.

  14. California Actions – Inspections 24/7 inspections at CDFA Border Protection Stations (BPS) at Yermo, Needles, Vidal Jct. and Truckee

  15. CDFA Border Protection Stations • As of August 26, 2007: • 59,241 boats checked • 6,412 boats needing cleaning • 50 confirmed Dreissenid mussel

  16. CDFA / BPS – Watercraft Inspections by Week

  17. CDFA / BPS – Watercraft Inspection by Day

  18. CDFA / BPS – Watercraft in Need of Draining and/or Cleaning

  19. California Actions – Outreach Public information and education Hotline 1 (866) 440-9530 Webpage http://www.dfg.ca.gov/quaggamussel/ • Boater information

  20. Ongoing Efforts • Scientific Advisory Panel • Outreach and training • Multi-agency coordination • Continued inspection, interdiction • On-going sampling

  21. Contact Information Hotline 1 (866) 440-9530 Webpage http://www.dfg.ca.gov/quaggamussel/ DFG Contact Susan Ellis, Invasive Species Coordinator sellis@dfg.ca.gov (916) 653-8983

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