Status: Ongoing, since 2016
CORAL RESTORATION PROGRAM
Coastal and marine resources in North Sulawesi are facing increasing pressure from destructive human activities, unsustainable fishing practices, and environmental stressors that contribute to coral bleaching and reef degradation. At the same time, awareness among coastal communities about the long-term impacts of these threats remains limited.
To respond to these challenges, Manengkel Solidaritas implements an integrated approach that combines ecological restoration, community empowerment, and strengthened local governance. The program supports coral reef protection and restoration, strengthens community institutions and local regulations, and increases awareness through education and outreach activities in schools and coastal villages.
The initiative also builds the technical, operational, and managerial capacity of local communities to manage marine resources more effectively. By improving the collection and use of marine data, identifying and supporting communities committed to long-term stewardship, and strengthening communication between communities and government institutions, the program helps create a stronger foundation for effective regulation, sustainable resource management, and the long-term resilience of North Sulawesi’s coastal and marine ecosystems.
Coral Garden Project
Produced and edited by: Clémence Véron
This integrated approach has been successfully implemented across Minahasa Regency, North Minahasa Regency, Bitung City, and South Minahasa Regency. Key achievements include a reduction in destructive practices such as illegal fishing and unsustainable resource extraction, stronger collaboration between local governments, communities, and partner organizations, and increased public awareness of marine conservation. The program has also contributed to improved natural resource management by strengthening community participation in surveillance, reporting illegal activities, and supporting the enforcement of relevant regulations. Together, these efforts have helped build stronger local stewardship and more effective protection of coastal and marine ecosystems across North Sulawesi.
Initial Condition of Coral Transplants
Current Growth and Development of Transplanted Corals Garden
Coral Nursery (Bapiara Koral)
Coral Nursery (Bapiara Koral) is a community-based coral nursery and reef restoration program designed to improve the success and long-term sustainability of coral reef recovery.The Bapiara Koral Coral Nursery is located in the coastal waters of Kapitu Village, South Minahasa Regency, North Sulawesi, Indonesia. Kapitu serves as one of the main focal areas for coral restoration, community participation, and long-term reef monitoring under the program. Rather than placing coral fragments directly onto degraded reef areas, Bapiara Koral allows selected coral fragments to first grow and adapt within a coral nursery. During this nursery phase, the corals are cared for, cleaned, monitored, and prepared until they are strong enough to be transplanted to permanent restoration sites.The program combines restoration science, community participation, underwater monitoring, and public education to create a more structured and sustainable approach to coral reef recovery.
Located in the coastal waters of Kapitu Village, South Minahasa, the coral nursery functions as an underwater growing and rehabilitation area for young coral fragments. Selected coral fragments are placed on nursery structures where they can be regularly monitored and maintained. Local community members and the project team carry out periodic maintenance, including algae removal, predator control, fragment repositioning, and growth measurements.
Growth of Corals in the Nursery
Current Condition of the Coral Nursery in Kapitu
The nursery provides a transitional stage where corals can develop before being moved to permanent reef restoration areas around Kapitu. This process helps support the gradual recovery of degraded reef habitats while strengthening local capacity for coral reef management. Each coral begins its journey in the Kapitu nursery, where its growth and condition are monitored over several months. Once healthy and sufficiently developed, the coral is transferred through the outplanting process and permanently attached to a restoration structure or suitable reef area.
Through this approach, the Kapitu Coral Nursery becomes more than a place for growing corals it serves as a community-based restoration hub, supporting reef recovery, marine biodiversity, environmental education, and local stewardship.
Spider Web Coral Project
The Spider Web Coral Transplantation Project is a community-based coral reef rehabilitation initiative implemented in the coastal waters of Kapitu Village, Amurang Bay, South Minahasa Regency, North Sulawesi, Indonesia.The project was developed in response to declining coral reef conditions caused by a combination of human activities and environmental pressures, including sedimentation, marine debris, past destructive fishing practices, and rising sea temperatures associated with climate change. In several areas, corals have been damaged, broken, covered by algae, or replaced by bare substrate, creating an urgent need for active restoration.Through coral transplantation, scientific monitoring, and community participation, the project aims to help restore degraded reef habitat while strengthening local awareness and responsibility for protecting marine ecosystems.
Coral Transplantation Process on the Spider Web Module
Restoring Reef Habitat in Kapitu
The project aims to rehabilitate approximately 15 square metres of damaged coral reef habitat in the waters of Kapitu Village.While the initial restoration area is relatively focused, the project is designed as an important step toward long-term reef recovery. Transplanted corals are expected to gradually grow and contribute to increased structural complexity, creating habitat and shelter for fish and other reef-associated marine life.
Monitoring Coral Growth
Coral transplantation does not end when the fragments are placed underwater. Regular monitoring is an essential part of the project. During the initial three-month period, the dive team monitors the survival, growth, condition, branching, width, and natural recruitment around transplanted corals. Fragments that become damaged, detached, or die are replaced to maintain the effectiveness of the rehabilitation effort. Underwater photographs and field data are also collected to document changes over time and evaluate the success of the restoration.
Community-Based Reef Restoration
Local participation is a key part of the Spider Web Coral Transplantation Project.Local divers and community members are involved in site preparation, field activities, installation, coral transplantation, monitoring, and conservation awareness. The project also aims to introduce at least 75 people from the Kapitu community to the ecological functions and importance of coral reef ecosystems.
Spider Web Coral Transplantation Module
Why Spider Web Coral Transplantation?
The project uses specially designed spider web-shaped coral transplantation structures as a platform for growing coral fragments.These structures are designed with multiple supporting legs and attachment points, allowing coral fragments to be securely positioned above the seabed. Their open structure supports water circulation around the corals while also creating additional habitat that can be used by reef fish and other marine organisms.The modules are approximately 60–80 cm in diameter and 25–40 cm high. Because they are relatively lightweight, the structures can also be transported and positioned more easily underwater.
How the Project Works?
The restoration process begins with an underwater survey to identify suitable rehabilitation sites. The technical team and local divers assess factors such as reef condition, depth, currents, seabed substrate, environmental conditions, and potential donor coral locations before transplantation begins.Once the location has been selected, spider web structures are produced and carefully installed on the seabed. Healthy coral fragments are then attached to each structure with appropriate spacing and secure fastening to provide suitable conditions for future growth.The project plans to deploy 20 transplantation structures, with six coral fragments attached to each structure, resulting in a total of 120 transplanted coral fragments.
Current Growth of Transplanted Corals in Kapitu
More Than Coral Transplantation
The Spider Web Coral Transplantation Project is not only about attaching coral fragments to artificial structures. It represents a broader effort to reconnect reef restoration, biodiversity conservation,community participation, environmental education, and coastal livelihoods. Healthy coral reefs provide nursery, feeding, and spawning grounds for many marine species. They also contribute to coastal protection and support fisheries and marine tourism that benefit coastal communities.
Through continued restoration, monitoring, and community involvement, the project seeks to help rebuild healthier and more resilient coral reef ecosystems in Kapitu.
Produced and edited by: Kvothe
This project is supported by :
