HELIX regularly conducts biological baseline studies, surveys for threatened and endangered plant and animal species, ecological research, and resource management planning. Services which are provided as part of an Environmental Impact Assessment (EIA) preparation or as stand-alone studies include:
- Resource management
- Botany
- Marine biology
- Mammalogy
- Ornithology
- Wetland ecology
- Restoration ecology
- Environmental permitting
HELIX's specialists hold U.S. Fish and Wildlife Service survey permits for:
- Threatened Species (coastal California Gnatcatcher, both presence/
absence and nest monitoring)
- Endangered Species (least Bell's vireo, Quino checkerspot
butterfly, San Diego and Riverside fairy shrimp, southwestern willow
flycatcher)