Distribution of Arundo donax in coastal watersheds of Southern California

SANTA MARGARITA WATERSHED: ARUNDO DONAX DISTRIBUTION MAPS

Distribution of Arundo donax covers from the Camp Pendleton boundary (at the De Luz road bridge over the Santa Margarita) to the Temecula and Murrieta area. Mapping is not entirely complete - especially for some of the more upland areas in the upper watershed. The mapping indicates live Arundo plants as of 1999/2000.

Distribution of Lepidium latifolium covers all known infestations to date, but it suspected that there are quite a few more infestations on the Santa Margarita River. Mapping is not complete. A targeted, full-scale mapping for this plant has not been carried out.

1) GIS Coverages:

Coordinate System: United States State Plane 1983
Zone: California Zone6 0406
Datum: NAD83
Coordinate Units: Feet

DOWNLOAD an ArcView GIS Shape file (WinZip compression):

• Coverage for Arundo donax (giant reed)

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Other coverages available in the State Plane coordinate system (roads, rivers, streams, etc) can be downloaded from the SANDAG Website.

2) Distribution Maps as JPEG images:

If you know of any of these non-native plants that are not indicated on these maps, or if you need more information, contact: wma@smslrwma.org, or Jason Giessow (760) 943-6924.