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WA Shellfish Hub and Hen Mpoano Train Volta Clam Harvesters and Processors on New Depuration System

By WA Shellfish Hub

Following the successful construction and test run of the first locally engineered clam depuration system in Ghana, the West Africa Shellfish Knowledge and Outreach Hub at the Centre for Coastal Management, University of Cape Coast, has conducted a hands-on training session for clam harvesters and processors at Big Ada and surrounding communities.

The training formed an integral part of the broader co-management intervention facilitated by Hen Mpoano under the Sustainable Oceans Project, aimed at promoting food safety, sustainable harvesting, and enhanced livelihoods along the Lower Volta.

shellfish harvester trying out tank water release

For many participants, it was their first direct interaction with a depuration system. The session began with an introduction to the science and importance of depuration, demonstrating how the system removes sand particles and harmful contaminants from live clams to ensure they are safe for consumption.

Participants were guided through each step of the process, from pumping water into the system for recirculation, loading clams into the tanks, and managing water flow, to operating the filtration and sterilisation systems. Emphasis was also placed on routine cleaning and maintenance practices to ensure optimal system performance and longevity.

Participants engaged actively, asking questions and sharing their own experiences. One harvester remarked, “Now we understand how this system can help make our clams cleaner and give us access to wider markets.”

Beyond the technical training, the session also inspired a renewed sense of stewardship among the harvesters. Many recognised that depuration not only protects public health but also presents opportunities to improve market value and build consumer confidence.

Through this collaborative initiative, the Shellfish Hub continues to equip coastal communities with the knowledge and tools to manage their shellfisheries resources sustainably.