Type: report

Article abstract: The Otay Ranch Preserve (Preserve) consists of approximately 525 acres in the San Ysidro Mountains and approximately 826 acres in Salt Creek in the City of Chula Vista (City) in San Diego County. Dudek biologists have performed the following surveys: vegetation mapping in May and June 2008, focused botanical surveys in spring 2009, general butterfly surveys in 2008, focused surveys for quino checkerspot butterfly (Euphydryas editha quino) in spring 2009, focused surveys for coastal California gnatcatcher (Polioptila californica californica) in spring 2008, avian point count surveys in summer/fall 2008, and large and medium mammal surveys in spring 2009. Herpetology trap surveys are currently in process. This report documents the results of Dudek's field work.

Number of pages: 146

Month: August

Year: 2009

Prepared for: County of San Diego, Department of Parks and Recreation;

Prepared by: Dudek;

Keywords: botanical surveys; butterfly surveys; California Native Plant Society (CNPS); California Species of Special Concern; Coastal Cactus Wren; endangered; Herpetology trap surveys; Otay Ranch Preserve; sensitive plants; vegetation mapping;

Species: spikemoss; Yellow-breasted chat; Least Bell's vireo; tecate cypress; Coulter's Matilija poppy; San Diego barrel cactus; Munz's sage; San Diego marsh-elder; sunflower; spiny rush; Dunn's mariposa lily; Variegated dudleya; Small-leaved rose; San Diego goldenstar; Palmer's grapplinghook; California Gnatcatcher; Quino checkerspot butterfly; Snake cholla; Coastal cactus wren

Vegetation communities: oak woodland; chaparral; salt marsh; southern interior cypress forest