Natural Resources Division

DD&A's Natural Resource Division consists of a multi-disciplinary team of scientists that provide specialized biological and ecosystem analysis services. 

Biological Investigations and Mapping

Biological Resources Reports in satisfaction of CEQA and NEPA Requirements

Special-Status Species Surveys, Including Rare Plant Surveys and Protocol-Level California Tiger Salamander and California Red-Legged Frog Surveys

Wetland Delineations and Assessments

Arborist Surveys

Biological Assessments (BAs) for Endangered Species Act Section 7 Consultation

Habitat Conservation Plans (HCPs) for Endangered Species Act Section 10 Consultation

Natural Environment Studies (Caltrans)

Restoration Planning, Design, and Implementation

Natural Community Conservation Plans