Manado Tua Island

November 2002

Reef rehabilitation project

Manado Tua Island is a towering extinct volcano fringed with picturesque reef drop-offs and capped with a rainforest at its summit. The island’s 3,200 inhabitants form a tightly knit community of farmers and fishermen who cling tenaciously to their Sangir cultural traditions. Large sections of Manado Tua’s coral reef have been reduced to rubble fields due to blast fishing that took place over a decade ago.

With Seacology’s assistance, Manado Tua villagers have installed EcoReef modules, snowflake-shaped ceramic modules that are designed to mimic branching corals, providing shelter to fish and a surface for larval corals to build a new reef. In return, villagers have expanded their current no-take reef zones to include five acres of reef containing the EcoReef modules. USAID’s Natural Resources Management Project and dive operators from the North Sulawesi Watersports Association did all the coordination and installation of EcoReefs for this project.

Project Updates
July 2005
After about 18 months of growth, project team leader Mark Erdmann reports that coral transplants are now covering large sections of the modules, live coral have formed bridges between modules, and...
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January 2005
In August 2004, a Seacology delegation visited Manado Tua to mark the official opening of the EcoReef reserve. There are now up to 56 newly recruited coral colonies on each ceramic module with...
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July 2004
The ceramic modules were installed in January 2004 after three weeks of cooperative efforts between villagers and dive operators in the face of rough sea conditions. In March, Seacology's co-field...
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