Silvofishery in Pangkalan Siata: A Sustainable Approach to Shrimp and Crab Farming

A man on a wooden bridge over a river, symbolizing sustainable practices in shrimp and crab farming

In Pangkalan Siata village, our efforts in 2023 marked a significant stride in sustainable aquaculture, focusing on silvofishery as a part of our comprehensive 001-OxC Designed Project Activities. This initiative aimed to integrate sustainable practices in shrimp and crab farming.

Key Highlights of the Project

  • Educating and Empowering Pond Owners: We provided extensive silvofishery training to pond owners, covering the basics and complexities of sustainable farming methods, including the definition, components, benefits, and management practices of silvofishery.
  • Land Assessment: Working closely with the pond owners, we assessed the suitability of their ponds for silvofishery. The assessment showed a main pool of 5 hectares, three connected foster pools, concrete floodgates, favorable water quality, 60% mangrove cover with species like Rhizophora and Avicennia, and overall good pond condition.
  • Monitoring and Challenges: Our monitoring in August 2023 revealed a drop in water pH to 6.5, changes in salinity and temperature, and limited shrimp growth of only 1.5 cm over 1.5 months. We identified low-quality broodstock and Enterocytozoon Hepatopanaei (EHP) disease as the main challenges.
  • Proactive Harvesting Decision: Due to these challenges, we decided on an immediate shrimp harvest, timed for the third week of August to coincide with the big tide season.
  • Facility Handover and Seed Quality Improvement: We handed over pond facilities to the silvofishery group and discussed sourcing higher-quality shrimp seeds from Langsa, Aceh, to address the issues with shrimp seed development.
  • Ongoing Monitoring Commitment: Regular monitoring will continue until harvest to ensure the development of the shrimp and the adaptation of strategies as needed.

Our engagement in Pangkalan Siata reflects a deep commitment to sustainable aquaculture. By educating local communities, providing essential resources, and adapting to environmental challenges, we’re not only fostering a successful harvest but also instilling long-term sustainable practices. This project goes beyond aquaculture, aiming to create a harmonious balance between economic success and environmental stewardship.