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Invasive Species Mapping

invasive species monitoring Remote Sensing Restoration Ecology

Land IQ worked in Ventura County on a program to control giant reed (Arundo donax) along the Santa Clara River. This effort was the first part of a 233-acre comprehensive habitat restoration plan. A Hydro-Ax was initially used to shred dense stands of giant reed, followed by herbicide application to treat root ball re-growth. Difficult access and time constraints made field monitoring difficult.

Therefore, we applied remote sensing to develop monitoring techniques for the area. Utilizing freely-available natural color photography and advanced remote sensing techniques, A. Donax cover was successfully quantified over the 223-acre site for the years 2005, 2007 and 2009. Remote sensing methodology makes it possible to efficiently delineate this invasive species in otherwise impenetrable areas of the project site and dramatically increases efficiency of the project’s 7-year monitoring program.