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Ecology & ACEC Program

DCR is the single most important landowner and protector of biodiversity in Massachusetts, managing over 450,000 acres that provide habitats for more than 275 state-listed rare species.

The Ecology Program focuses on the identification, conservation, and stewardship of ecological resources on DCR properties.
Areas of Critical Environmental Concern (ACECs) are places in Massachusetts that receive special recognition because of the quality, uniqueness and significance of their natural and cultural resources

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Top tasks

ACEC Program Overview  List of ACECs statewide 

All other tasks

Ecology program  Map of ACECs statewide 
Image credits:  Laurie Turner

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