quagga mussel incident susan ellis california department of fish and game september 13 2007 n.
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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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natural history
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
california concerns
California Concerns
  • Spread readily – Vessels/Trailers/Water
  • Environmental damage.
  • Economic impacts.
  • Eradication from Colorado River system unlikely.
range february 2007
Range February, 2007

Zebra mussel

Quagga mussel

Zebra mussel on boat trailers

quagga mussel in california
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
incident overview
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
california response
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
california actions surveys
California Actions – Surveys
  • Dive Surveys - Lower Colorado River and inland waters in southern California.
  • Surface Surveys - all high priority waterbodies in the state.
california actions inspections
California Actions – Inspections

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

cdfa border protection stations
CDFA Border Protection Stations
  • As of August 26, 2007:
    • 59,241 boats checked
    • 6,412 boats needing cleaning
    • 50 confirmed Dreissenid mussel
california actions outreach
California Actions – Outreach

Public information and education

Hotline 1 (866) 440-9530

Webpage http://www.dfg.ca.gov/quaggamussel/

  • Boater information
ongoing efforts
Ongoing Efforts
  • Scientific Advisory Panel
  • Outreach and training
  • Multi-agency coordination
  • Continued inspection, interdiction
  • On-going sampling
contact information
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