3.7 Biological Resources
3.7 Biological Resources This section addresses the potential direct and indirect effects of implementation of the pro- posed General Plan on biological resources in Pacifica. The setting descriptions and impact analyses presented in this section are based on the review of existing documentation and bio- logical databases. Environmental Setting Pacifica’s varied topography creates a wide range of habitats in the City, including intertidal areas, beaches, ridges, coastal headlands, woodlands, grasslands, scrub, creeks, and wetlands. Most natural vegetation in the valley and canyon bottoms has been converted to develop- ment. However, intact native habitats persist along the riparian corridors of San Pedro, Cal- era, Rockaway, and Milagra Creeks, and on steep slopes. PLANT COMMUNITIES AND WILDLIFE HABITATS Plant communities are assemblages of plant species that recur in the landscape according to soil, climate, hydrological, and other conditions. The basis for the vegetation classification system utilized in this analysis relies on the currently accepted California Department of Fish and Wildlife1 List of Vegetation Alliances and Associations (also known as the Natural Communities List).2 Plant communities generally correlate with wildlife habitat types, and these typically are classified and evaluated using CDFW’s California Wildlife Habitat Rela- tionship classification system.3 Plant communities and wildlife habitats are described below and depicted in Figure 3.7-1, Vegetation. 1 The California Department of Fish and Game (CDFG) changed its name on January 1, 2013 to The California De- partment of Fish and Wildlife (CDFW). In this document, references to literature or databases published by CDFW prior to Jan. 1, 2013 are cited as ‘CDFG, [year]’.
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