Trowel Development Foundation

Trowel Development Foundation is a community-based organization employing climate-adapted aquaculture technology to replant mangroves. Mangrove reforestation efforts have focused on planting native tree species in strategic areas, resulting in restored marine biodiversity, food security, and protection of coastal areas.

The initiative also works to increase local incomes and improve livelihoods through a value-chain system to market tie-crabs. The group has established five community-managed tie-crab farms that benefit 250 subsistence fishing households. This innovation has been implemented in idle fishponds, where mangrove-friendly and climate-adapted tie-crab fattening technology has been employed to double the income of fishing households.


Key Facts 

Equator Prize Winner: 2010

Founded: 2004

Location: Northern Samar province

Beneficiaries: Over 250 families

Biodiversity: Mangrove ecosystems


Case Study

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Related Multimedia Resources

Trowel Development Foundation, Inc. - Philippines (EN)

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 Equator Prize 2010

Asia And The Pacific

 Biodiversity Conservation

 Sustainable Forestry

 Marine and Coastal Resource Management

 Community-Based Adaptation to Climate Change


Contact Information

Leonardo B. Rosario
Block 9 Lot 23, University Homes
Barangay Cawayan
Catarman, Northern Samar
6400, Philippines
Tel: 63 91 94 101 952


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