Eric C. Hansen - Consulting Environmental Biologist


Eric Hansen is an environmental consultant with 16 years of experience that includes research, NEPA/CEQA studies, environmental compliance and monitoring, and conceptual designs. Eric is considered a leading expert in the biology and management of the threatened giant garter snake, for which he holds both state and federal permits along with the California tiger salamander.  He is an experienced researcher possessing the skills required to assemble multi-disciplinary teams capable of addressing complex and novel challenges. He is also an experienced contract manager routinely interfacing with contracting officers, clients, and subcontractors. He has managed contracts and grants valued from $2K to more than $500K and has the skills to integrate multiple subcontractors and disciplines to execute projects efficiently. Along with his dedicated staff, Mr. Hansen works collaboratively with private firms, NGO’s, government agencies, and academic institutions throughout the Central Valley.

Since establishing his business, Mr. Hansen has worked extensively with clients and resource managers to develop and execute monitoring programs for special status species.  Mr. Hansen played an integral role working with the Sacramento Fish and Wildlife Office in the early 1990’s to develop protocols for installing effective exclusionary fencing for the state and federal-threatened giant garter snake, providing the elemental guidelines that are used for multiple species today.  This experience translates readily to multiple reptile and amphibian species, including Alameda Whipsnake and California tiger salamander.

Through his extensive work with listed species, Mr. Hansen has developed a strong reputation with the agencies managing protected resources and an outstanding record of performance in negotiating and executing terms of regulatory compliance for his clients.  Together, Mr. Hansen and his staff bring a collective total of 45 years professional experience in California wildlife research, species monitoring, and regulatory compliance.

Staff experience is broad, including small mammal and raptor in addition to the broad reptile and amphibian work.  Mr. Hansen and staff are experienced in all aspects of compliance monitoring, including preparation and distribution of environmental awareness and training materials, administering appropriate training for multiple species, and executing a multitude of compliance-based monitoring projects at multiple scales throughout the Central Valley.  Our work has resulted in over 67 unique records within the California Natural Diversity Database representing literally thousands of individual animals within these locations.

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