1 / 25

AQUATIC INVASIVE SPECIES (water-associated organisms)

AQUATIC INVASIVE SPECIES (water-associated organisms) Non-native (exotic) Uncontrollable Ecologic & Economic Harm UTAH’S AIS PATHOGENS Whirling Disease Viral Hemorrhagic Septicemia FUNGUS & ALGAE Chytrid Didymo PLANTS Phragmites Tamarisk Purple Loosestrife Eurasian Water Milfoil

bernad
Download Presentation

AQUATIC INVASIVE SPECIES (water-associated organisms)

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. AQUATIC INVASIVE SPECIES(water-associated organisms) • Non-native (exotic) • Uncontrollable • Ecologic & Economic Harm

  2. UTAH’S AIS PATHOGENS Whirling Disease Viral Hemorrhagic Septicemia FUNGUS & ALGAE Chytrid Didymo

  3. PLANTS Phragmites Tamarisk Purple Loosestrife Eurasian Water Milfoil Curly Pond Weed MOLLUSKS New Zealand Mud Snail Red-rimmed Melania Asian Clam Non-native Crayfish Dreissena Mussels Quagga Zebra Conrad’s False UTAH’S AIS

  4. FISH Mosquito Fish Burbot Gizzard Shad Other non-native fish AMPHIBIANS Bullfrog Green Frog Plains Leopard Frog Rio Grande Leopard Frog UTAH’S AIS

  5. REPTILES Red-eared Slider New Mexico Whiptail OTHER Discarded Aquarium Fauna or Flora (e.g. gold fish) Aqua-scaping Bait Releases Private Aquaculture UTAH’S AIS

  6. Prepare a Mgmt Plan UDWR (chair) DNR (SP&R, Water Resources) UT Dept Ag DEQ USFWS USFS BLM NPS BOR URMCC Water Conservancy Districts UT Angler Assoc. Industry Water Users UDWR’s Team Aquatic Coordinator Outreach Coordinator 5 AIS Biologists 22 Wildlife Technicians 5 Conservation Officers $1.64 Million/yr Utah’s AIS Task Force

  7. Dreissena Mussel ExampleQuagga, Zebra & Conrad’s FalseA Threat To Utah“forever keep them out” or “forever live with them” Utah Division of Wildlife Resources

  8. Dreissena Spread Rapidly Native to Russia--spread throughout Europe Arrived St. Lawrence Seaway mid 1980s Spread: Great Lakes, Canada & U.S. Mississippi River Basin to New Orleans East & Mid West US (100th Meridian) January 2007 Arrived Western U.S. Lower Colorado River * Mead (NV) * Mohave (AZ) * Havasu (CA) Lake Powell, August 07

  9. Map

  10. Understanding Dreissena Mussels • Invasive, non-native • Quagga, Zebra & Conrad’s False • Species much alike (two-shelled – like a clam) • Sexual Reproduction via Spawning (3 mm) • 1,000,000 veligers per year • Colonies can be 12” deep • Quagga are a greater problem • colder, deeper & soft substrates • Quagga displaces Zebra • Adult: Zebra = 12 mm; Quagga = 20 mm • Larvae: Veligers = microscopic to sand grain sized

  11. DREISSENA ECONOMIC IMPACTSMaintenance Perspective Typical Maintenance Expenditures in the East • 51% electric generation (steam & hydro) • 31% water treatment • 18% industrial & other water users • East: maintenance @ $100 million/year • West: maintenance @ $10 million/year • Utah: estimated to exceed $15 million/year • $3.2 million--electric generation (steam & hydro)—63 plants) • $7.2 million--water treatment—30 plants • $4.4 million—industrial & other water users • $?? million--pipelines (1,120 miles) & canals (4,573 miles)

  12. DREISSENA ECONOMIC IMPACTSRecreational Expenditure Perspective • Nationally: anglers expend $40 billion annually • Utah: anglers expend $708 million annually • Reduced angler participation may occur: • Decreased fish condition (length & weight) • Fish die offs due to blue-green algae blooms • Species change to less desirable species • Deteriorated recreational satisfaction • Odor • Sharp shells • Risk to equipment (overheat engines)

  13. Dreissena Environmental Impacts • They Are Filter Feeders: • Remove plankton, removing fish food • Filter volume of Lake Erie in 36 hours!! • Feces Cause High Coliform Counts • Pseudo Feces Rots • Smell • Oxygen depletion • Blue-green algae, which releases toxin • Stimulate Avian Botulism

  14. When Fish Chow Disappears Lake Michigan Lake Trout declined 95% in 10 years--WHY? Utah’s Waters *Plankton decrease Likely *Species change Likely *Decreased “K” (length & weight) Likely *Loss of native mollusks Likely

  15. How Mussels Move • Veligers Drift Downstream • Trailered Boats • Infested to non-infested waters • Failure to Drain bilge • Failure to Drainlive wells • Failure to Dry (5 days in UT) • Failure to Remove plants or animals • Failure to Wash w/HOT water RISKS • Large commercial boats (huge risk) • Owner-pulled boats (less risk)

  16. Dreissena Became A Western U.S. Problem January 2007 Quagga • Lower Colorado River • Lake Mead • Lake Mohave • Lake Havasu • Colorado River • NV Fish Hatchery • CA Reservoir (Copper Basin)

  17. Dreissena Now a Utah Problem • Top 20 destinations of Lake Mead boaters • #3 Lake Powell • #11 Pineview Reservoir • #12 Bear Lake • #14 Willard Bay • #19 Jordanelle Reservoir August 2007– veligers detected in Lake Powell • 29% of Utah’s Boaters Use Lake Powell • Where Do Lake Powell Boaters Go In Utah ? EVERY WHERE

  18. IMPACTS: Industrial Plants Lots of Industries in Utah Use Water • Constricted water intakes • Constricted water circulation systems • Increased: • biologic load • corrosion • plant operation costs

  19. IMPACTS: Pipelines Over 1,120 miles of pipelines in Utah • Greatly reduced flow capacity • Its not just on the outside; its inside, too • 2ND Water Systems: plugged--pipes & sprinklers • Increased maintenance cost ????

  20. IMPACTS: Canals Over 4,573 miles of canals in Utah • Open-channel flow capacity reduced • Earth-lined: 24% less flow • Concrete-lined: 52% less flow • Increased maintenance cost ????

  21. IMPACTS: Reservoirs 150 reservoirs @100+ ac (Storage & Recreation) • Seasonal Water Level Changes = routine • Die Offs (fish & waterfowl) • Deteriorated water quality & odor • Difficult beach use: clean up $$$$ • Increased maintenance cost ????

  22. HOW DO WE DEAL WITH DREISSENASuccessful Mussel Prevention Example • Minnesota: Land of 10,000 Lakes • 20 years exposure: commercial & recreation vessels • 4 lakes & Mississippi River infested • Effective Aquatic Nuisance Species Plan • Emphasis on public education & awareness • 12 full-time employees • 45 summer watercraft inspectors • Illegal drive w/any mussel • $2.3 million annual budget

  23. Emergency Responses in Utah: NPS NPS Initiated Self-Certification at Lake Powell • Education & Outreach • Media Coverage • “Zap the Zebra” brochures • Entry warning signs • Self-certification • Interdictions • Decontamination • Containment ???? • Monitoring & Research • Training (UDWR & SP&R and others)

  24. Emergency Response in Utah: UDWR DNR Policy: Prevent Invasion of Dreissena Mussel • UDWR: Lead State Agency • Inter-state & Interagency Coordination • Quagga Education & Implementation Plan • Education & Outreach • Statewide: Media Coverage • Statewide: 250,000 “Zap the Zebra” brochures (Included all 65,000 UT Boat Owners) • Statewide: 1,500 boat launch signs • Statewide: 4,500 posters • Statewide: sportsmen/agency lectures • Interdiction • Decontamination of Equipment • Containment ???? • Monitoring & Research • Training (UDWR & SP&R and Others)

  25. Utah’s AIS Future I. Maintain Sufficient Budget: FY08 $1,106,500 FY09 $1,640,000 II. Secure Legislation for an Interdiction Act III. Write AIS Management Plan IV. Be Vigilant ……………………..…………………….. Memmorandum From: UDWR To: Aquatic Invasive Species Subject:Watch Out, We’re Coming!

More Related