Program Thomas Woolf Aquatic Program Manager Idaho State - - PowerPoint PPT Presentation

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Program Thomas Woolf Aquatic Program Manager Idaho State - - PowerPoint PPT Presentation

Dec 06, 2022 189 likes •621 views

Idahos Aquatic Invasive Species Program Thomas Woolf Aquatic Program Manager Idaho State Department of Agriculture Overview Invasive Species Impacts Invasive Plants Invasive Animals Watercraft Inspection Invasive Species

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Idaho’s Aquatic Invasive Species Program

Thomas Woolf Aquatic Program Manager Idaho State Department of Agriculture

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Overview

  • Invasive Species

Impacts

  • Invasive Plants
  • Invasive Animals
  • Watercraft

Inspection

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Invasive Species Impacts

  • Damage Fisheries and

aquatic habitat

  • Impact Power

Generation

  • Increase Power Costs
  • Degrade Water Quality
  • Disrupt Water Delivery
  • Recreation and Tourism
  • Reduce Property Values
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Early Detection and Rapid Response (EDRR) is critical to the identification, containment, and eradication of new infestations.

  • Awareness
  • Vigilance
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Eurasian Watermilfoil

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Eurasian vs. Native Milfoils

  • Eurasian = 12+

pairs of leaflets

  • More than 12

pairs of leaflets

  • n Multiple

leaves: We may have a problem.

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Milfoil Impacts

  • Degrade fisheries
  • Impede recreation
  • Reduce property values
  • Degrade water quality
  • Increase internal

nutrient loading

  • Mobilize metals
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Flowering Rush (Butomus umbellatus)

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New Zealand Mudsnails

  • First found in

Idaho in 1987

  • Survive drying
  • Survive being

eaten.

  • Rapid

reproduction

  • Clones!
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New Zealand Mudsnails

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Zebra & Quagga Mussels

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Sampling Plates at Parker Dam November 11/07 – 6 Weeks of Settlement

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  • Microscopic life

stage.

  • Can travel in bilge

water, live wells and

  • n wet gear
  • Can move on any

equipment that works in water

  • Boats are the

primary way that mussels are transported

  • Prevention is key
  • Substrate

Monitoring?

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Idaho Watercraft Inspection 2009 - 2014

  • 200,000+ Inspections
  • 114 mussel fouled

vessels

  • 300+ with weeds
  • 5-year report

available online

Weedy1

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8760 hours in a year

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For Aquatics, Invasive plant & animal pathways are the same.

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2014 Inspections

  • 24,000+ Inspections so

far this season

  • 500+ high risk

inspections

  • 430+ Hotwashes
  • 9 mussel fouled vessels
  • First ever mussel fouled

vessel from Lake Powell

  • 4 in intercepted in

Northern Idaho.

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What to be on the lookout for?

  • Something out of

the ordinary

  • Aggressive growth
  • r productivity.
  • Clam-like shell

sticking to something…

  • Grab a specimen

and photograph.

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A Little Help Goes a Long Way

  • Clean Drain and Dry

your gear

  • Educate your

neighbors

  • Know what to look for
  • Keep an eye out
  • Be an advocate for the

issue

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Thomas.woolf@agri.idaho.gov 208-608-3404 www.agri.idaho.gov