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Inner Canyon Vegetation Program

Join our Inner Canyon Vegetation Program to monitor and remove invasive plants like Russian olive or pampas grass. Help protect the ecosystem by participating in removing Russian thistle and camelthorn from campsites. Your efforts can make a significant impact on preserving the natural beauty of the Grand Canyon.

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Inner Canyon Vegetation Program

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  1. Inner Canyon Vegetation Program What 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

  2. Camps Russian thistle • Eminence • Buckfarm • Trinity • Fern Glen Camelthorn • Unkar • Crystal • 110 Mile • Diabase • Cove • Whitmore

  3. 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

  4. 110 mile camp- 2011

  5. 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

  6. River Mile 70- 2007 Photo courtesy of Amy Draut

  7. River Mile 70- 2010 Photo courtesy of Amy Draut

  8. 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

  9. Melissa McMaster 928.638.7465 Melissa_McMaster@nps.gov

  10. The perpetrators

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