California Essential Habitat Connectivity Project: A Strategy for Conserving a Connected California

The California Department of Transportation (Caltrans) and California Department of Fish and Game (CDFG) commissioned the California Essential Habitat Connectivity Project because a functional network of connected wildlands is essential to the continued support of California’s diverse natural communities in the face of human development and climate change. This Report is also intended to make transportation and land-use planning more efficient and less costly, while helping reduce dangerous wildlife-vehicle collisions.

This Essential Habitat Connectivity Report includes three primary products: (1) a statewide Essential Habitat Connectivity Map, (2) data characterizing areas delineated on the map, and (3) guidance for mitigating the fragmenting effects of roads and for developing and implementing local and regional connectivity plans. These products will be made available for public use on two websites—BIOS, managed by the California Department of Fish and Game [now Wildlife], and Data Basin, managed by the Conservation Biology Institute. Both are interactive web-based systems that allow users to download, print, combine, comment on, or otherwise use the maps, data layers, and other information.