Foothill Associates

Biological & Wetland Resources

Foothill Associates develops biological and wetland resource information for projects ranging in size from small individual sites to regional, large-scale multi-jurisdictional planning areas. The baseline information our biologists gather includes identification and mapping of wetlands, vegetation, and wildlife habitats — including those with the potential to support rare, threatened, or endangered species. We conduct rare plant surveys and floristic inventories, wetland delineations, and certified arborist surveys — including oak tree inventories and riparian woodland surveys.

  • Plant Community and Vegetation Assessment and Mapping
  • Wildlife Use and Corridor Assessments
  • Resident and Migratory Fish Assessments, Studies
  • Amphibian and Reptile Assessments, Studies
  • Resident and Migratory Bird Assessments, Studies
  • Mammal Assessments, Studies


  • Vernal Pool Assessments and Mapping
  • General Wetland Assessments and Mapping
  • Wetland Delineation and Wetland Function and Value Analyses
  • Riparian Habitat Assessments and Mapping
  • Wetlands Soils Assessments, Studies
  • SEATAC approval to conduct studies within Los Angeles County Significant Ecological Areas and submit documents to the SEATAC committee
  • Other Specialized Habitat Assessments and Mapping

  • Rare Plant Surveys for Gabbrodiorite and Serpentine, Alkali Wetland, Vernal Pool, and Other Specialized Endemic Species
  • Protocol Invertebrate Surveys for Vernal Pool Fairy Shrimp and Tadpole Shrimp, Valley Elderberry Longhorn Beetle, and Other Special-Status Species
  • Focused Amphibian Surveys for California Tiger Salamander and Red-Legged Frog, Foothill and Mountain Yellow-Legged Frog, and Other Special-Status Species
  • Focused Reptile Surveys for Giant Garter Snake, Alameda Whipsnake, Northern Pond Turtle, and Other Special-Status Species
  • Focused Raptor Surveys for Burrowing Owl, Swainson's Hawk, Northern Goshawk, and Other Species
  • Focused Mammal Assessments and Surveys for San Joaquin Kit Fox and Other Special-Status Species
  • Permits for working with California Gnatcatcher, Least Bell's Vireo, Southwestern Willow Flycatcher, Light-Footed Clapper Rail, Western Snowy Plover, and California Least Tern

  • Oak Tree Inventories, Health and Impact Assessments, and Mapping
  • Riparian Tree Assessments and Mapping
  • Other Native Tree Assessments and Surveys
  • Ornamental Tree Assessments
  • Native Tree Mitigation and Monitoring Plans

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