Pacific Southwest

Title: Description of Nesting Habitat for Least Bell's Vireo in San Diego County

Author: Hendricks, Bonnie J.; Rieger, John P.

Date: 1989

Source: In: Abell, Dana L., Technical Coordinator. 1989. Proceedings of the California Riparian Systems Conference: protection, management, and restoration for the 1990s; 1988 September 22-24; Davis, CA. Gen. Tech. Rep. PSW-GTR-110. Berkeley, CA: Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture; p. 285-292

Station ID: GTR-PSW-110

Description: Least Bell's Vireo (Vireo bellii pusillus) nesting sites on three rivers in coastal southern California were characterized to provide data for a habitat restoration plan for this endangered species. In addition, riparian areas outside vireo territories were sampled to compare with nesting habitat. The parameters measured were percent cover, percent open ground, plant heights, plant density, height class frequency, species frequency, and species diversity. The vireo nest sites showed no significant differences from the non-nest riparian sites for any of the variables studied. The nest sites on the San Diego River had lower native plant density and diversity than nest sites on the Sweetwater and San Luis Rey rivers. There were no significant differences in nesting habitat between the Sweetwater and San Luis Rey. We suggest using the data from all three rivers in designing revegetation sites for the Least Bell's Vireo in coastal San Diego County if data on the specific watershed being revegetated can not be obtained.

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Citation

Hendricks, Bonnie J.; Rieger, John P.  1989.  Description of Nesting Habitat for Least Bell's Vireo in San Diego County.   In: Abell, Dana L., Technical Coordinator. 1989. Proceedings of the California Riparian Systems Conference: protection, management, and restoration for the 1990s; 1988 September 22-24; Davis, CA. Gen. Tech. Rep. PSW-GTR-110. Berkeley, CA: Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture; p. 285-292.