Inner Canyon Vegetation Program
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Transcript of Inner Canyon Vegetation Program
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Grand Canyon National ParkU.S. Department of the InteriorNational Park Service
Inner Canyon Vegetation ProgramWhat do we do?• Monitor and remove
exotic plants – River corridor: ravenna,
Russian olive, Siberian elm
– Side canyons: tamarisk, pampas grass
• Vegetation monitoring in campsites
• New and Exciting! – Pilot program removing
Russian thistle and camelthorn from camps
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Grand Canyon National ParkU.S. Department of the InteriorNational Park Service
Camps
Russian thistle• Eminence• Buckfarm• Trinity • Fern Glen
Camelthorn• Unkar• Crystal • 110 Mile • Diabase• Cove• Whitmore
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Grand Canyon National ParkU.S. Department of the InteriorNational Park Service
Camelthorn (Alhagi maurorum)• 1915 as a contaminate in alfalfa• Extensive underground root
system~ 45 ft deep and 24 ft wide!• Steals nutrients and water from
native vegetation• Notorious for taking over Grand
Canyon’s beaches• Manual removal by clipping at the
root node
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Grand Canyon National ParkU.S. Department of the InteriorNational Park Service110 mile camp- 2011
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Grand Canyon National ParkU.S. Department of the InteriorNational Park Service
Russian thistle (tumbleweed) (Salsola tragus)
• 1873 as a contaminate in flaxseed• Dominates disturbed soil esp. in
drought• Crowds out native species• Impacts recreation, overtaking
prized beaches• Manual removal of plants by
pulling before they produce seeds
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Grand Canyon National ParkU.S. Department of the InteriorNational Park ServiceRiver Mile 70- 2007
Photo courtesy of Amy Draut
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Grand Canyon National ParkU.S. Department of the InteriorNational Park Service
Photo courtesy of Amy Draut
River Mile 70- 2010
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Grand Canyon National ParkU.S. Department of the InteriorNational Park Service
What you can do!• Sign up for a camp• Pick up gloves and nippers• Visit your site at least 2x’s
year to pull weeds!• 5-30 minutes will make a
HUGE difference• Record the data• Return the postcard!• Give me feedback
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Grand Canyon National ParkU.S. Department of the InteriorNational Park Service
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Grand Canyon National ParkU.S. Department of the InteriorNational Park Service
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Grand Canyon National ParkU.S. Department of the InteriorNational Park Service
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Grand Canyon National ParkU.S. Department of the InteriorNational Park Service
The perpetrators
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Grand Canyon National ParkU.S. Department of the InteriorNational Park Service