Arundo donax: Distribution and Impacts

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Arundo donax: Impacts and Distribution

From 2008-2010, Cal-IPC mapped Arundo donax at high resolution on all coastal watersheds in California from Monterey to San Diego.
Impacts from Arundo invasion were calculated over the study area, including impacts to biomass production, water use, fire, geomorphic and fluvial processes, and endangered species.
New findings include documentation of fire events starting in Arundo stands and significant modification of fluvial processes. All impacts are quantified over the study region and by individual watershed. The study determines a typical benefit-to-cost ratio of 2:1 for Arundo removal projects.

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Appendix A contains maps of Arundo distribution.

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