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Yerba Buena Island stewardship and land management
Learn how we restore, enhance, protect and steward Yerba Buena Island's natural areas.
YBI/TI Stewardship Program
Community stewardship takes a variety of forms on the islands. The Yerba Buena Island/Treasure Island Stewardship Program strives to restore Yerba Buena Island’s native biodiversity and engage residents and the diverse Bay Area community to connect to nature on both islands and to participate in island ecological stewardship.
Upcoming free public activities:
Nothing currently scheduled. Check back for upcoming Spring '26 volunteer restoration opportunities!

Habitat Management Plan
TIDA is developing a long-term framework for restoration, enhancement and protection of Yerba Buena Island's precious natural areas. The Yerba Buena Island Habitat Management Plan (YBI HMP) is a critical element of these efforts.
Read the YBI Habitat Management Plan
Current TIDA contractors Rubicon Programs, and Habitat Potential work in consultation with TIDA and San Francisco Environment in the field stewardship of vital YBI natural areas.
Commitment to biodiversity
At it's May 8, 2019 meeting the TIDA Board of Directors approved TIDA Board Resolution 19-13-05/08 affirming TIDA's commitment to the Citywide Biodiversity Vision adopted by the San Francisco Board of Supervisors in 2018.