Leafy spurge (Euphorbia esula L.) is an invasive exotic plant that can completely displace native plant communities. Automated techniques for monitoring the location and extent of leafy spurge, especially if available on a seasonal basis, could add greatly to the effectiveness of control measures. As part of a larger study including multiple sensors, this study examines the utility of mapping the location and extent of leafy spurge in Theodore Roosevelt National Park using Earth Observing-1 satellite Advanced Land Imager (ALI) scanner data. An unsupervised classification methodology was used producing accuracies in the range of 59% to 66%. Existing field studies, with their associated limitations, were used for identifying class membership and accuracy assessment. This sensor could be useful for broad landscape scale mapping of leafy spurge, from which control measures could be based.
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1 September 2006
Classification of Leafy Spurge With Earth Observing-1 Advanced Land Imager
Susan Stitt,
Ralph Root,
Karl Brown,
Steve Hager,
Carol Mladinich,
Gerald L. Anderson,
Kathleen Dudek,
Monica Ruiz Bustos,
Raymond Kokaly
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Rangeland Ecology and Management
Vol. 59 • No. 5
September 2006
Vol. 59 • No. 5
September 2006
Euphorbia esula
invasive species
noxious weeds
remote sensing
