Application of Hyperspectral Techniques to Monitoring and Management of Invasive Plant Species Infestation
2008
Ustin, Susan L. | Andrews, Mary | Andrew, Maragaret E. | Cheng, Yen-Ben | DiPietro, Deanne | Kefauver, John | Kefauver, Shawn | Noujdina, Nina | Olmstead, Karen S. | Ramirez, Carlos M. | Tom, Edward T. | Underwood, Emma
This report summarizes and integrates the main findings, using several case studies to illustrate conclusions. Case studies include cheatgrass and Russian knapweed at Yakima Training Center, showing that multiple dates that combine different growing seasons improve map accuracy. Also included are maps for kudzu and Johnson lovegrass at Fort Benning, tamarisk at Yuma Proving Ground and phragmites at Aberdeen Proving Ground. Examples were chosen to illustrate a range of problems in correctly mapping invasive plant species under different environmental conditions. A detailed analysis of the CART results for Vandenberg Air Force Base show how it can be used to predict likely locations for spread and the most probable causes for invasion at specific locations. A CART analysis for kudzu at Ft. Benning is included and the same method was applied to tree decline at Ft. Benning. A User's Guide is provided in the appendix as is a hyperspectral training tutorial.
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