Tahiry Honko
Tahiry Honko, in the Bay of Assassins in southwest Madagascar, is run by ten Vezo fishing communities within the Velondriake Locally Managed Marine Area and developed with Blue Ventures. Launched in 2019 and certified under Plan Vivo, it protects roughly 1,230 hectares of mangroves, billed as the world's largest community-led mangrove carbon project, avoiding more than 1,300 tonnes of CO2 a year.
Inside the project
Tahiry Honko, meaning preserving mangroves in the local Vezo dialect, sits in the southern part of the Velondriake Locally Managed Marine Area, a pioneering community-governed marine protected area co-managed by Blue Ventures and the Velondriake Association. After years of community-led reforestation and protection, the project was formally inaugurated in October 2019 as the first Plan Vivo mangrove carbon project in Madagascar.
Carbon revenue supports the running of the marine protected area and community development, including infrastructure, healthcare and education, while alternative livelihoods such as sea cucumber and seaweed aquaculture and mangrove beekeeping reduce pressure on the forest.
Objectives
- Protect ~1,230 ha of Bay of Assassins mangrove
- Avoid 1,300+ tCO2e a year over a 20-year period
- Fund the marine protected area and community development
- Support sea cucumber, seaweed and beekeeping livelihoods
- Strengthen community-led management across ten villages
Approach
- Monitoring is community-led, supported by Blue Ventures' technical and science teams, covering forest cover, carbon stock and reforestation tracking.
- The project is validated and verified under the Plan Vivo Standard, with measurement carried out by trained community monitors across remote villages.
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