Abstract
The study examined the role of technology to aquaculture farmers vulnerable to climate change and the study also identified common categories of aquaculture practices in the coastal district Noakhali, Bangladesh and the vulnerabilities associated with such aquaculture practices. The study used extensive field visits, interviews with the key informants of regional fisheries and livestock development component (RFLDC) and farmers, personal communications, questionnaire survey and focus group discussion as the main procedures to collect data and information. The study found four common categories of aquaculture in the mainland, accreted and newly accreted lands of Noakhali and characterized those with technology level, size, dependencies, markets, ownership, species mix, constraints and vulnerabilities to changing climate. Average net returns from the technology induced aquaculture in community based ponds and waterlogged paddy lands were 905.33 and 362.78 USD/ha/year respectively. The study found the pond aquaculture in the newly accreted lands more vulnerable to climate change than other types. RFLDC, which is a joint collaboration project of Government of Bangladesh and Danish international development agency (DANIDA), had been involved in extending technology to the poor farmers for sustainable development of the farmers’ livelihood through agricultural activities. Farmer Field Schools, Community Based Organizations (CBOs), CBO associations and Union Parishad have been found to be playing very effective role for the development of aquaculture.
Highlights
Aquaculture is one of the fastest growing food producing sectors demonstrating continuous increase in total production throughout the last few decades in a number of developing countries
Major Technical assistance and support were given to the fish farmers by the Government and Danish international development agency (DANIDA) in their joint collaboration project Regional Fisheries and Livestock Development Component
The information related to the process of technology transfer to the farmers was collected from the key informants of regional fisheries and livestock development component (RFLDC) working at different levels
Summary
Aquaculture is one of the fastest growing food producing sectors demonstrating continuous increase in total production throughout the last few decades in a number of developing countries. This significant expansion is due to growing demand for aquatic products and the development of new technologies for aquaculture. Managers identified key parameters of successful pond aquaculture production: appropriate pond preparation, including preliminary fertilization, stocking with an appropriate mix of species to utilize the different ecological niches in the pond and at the right density, judicious feeding and fertilization during grow-out, maintenance of a good pond environment to ensure efficient utilization of pond fertility and feed
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