NDDB

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• Natural Diversity Data Base Maps

  The NDDB maps show approximate locations of endangered, threatened, and special concern species and important natural communities in Connecticut.

• Requests for NDDB Environmental Reviews

  DEEP performs hundreds of environmental reviews each year to determine the impact of development projects on state-listed species and to help landowners conserve the state's biodiversity.

• Contribute Data to the NDDB

  The DEEP is interested in obtaining new and updated information on critical natural resources from Connecticut's citizens.

• About the Natural Diversity Data Base

  The Natural Diversity Data Base is a program for the protection of Connecticut's native biological diversity, with emphasis on our most vulnerable species and ecosystems.

• NDDB Species Observations via Survey123

  Questions and answers on how to submit listed species observations to the Natural Diversity Data Base via Survey123.

• Natural Diversity Data Base and Environmental Reviews

  DEEP performs hundreds of environmental reviews each year to determine the impact of development projects on state-listed species and to help landowners conserve the state's biodiversity.