03770nam a2200385 4500 20260818113704.0 130598 th eng .b11511333 AIT Thesis no. AE-95-30 Islam, Md. Rafiqul A field survey of the factors involved in use of ponds for fish culture in Bangladesh, with emphasis on water quality Bangkok : Asian Institute of Technology, 1995 96 leaves + 1 online resource Thesis ; no. AE-95-30 A thesis submitted in partial fulfillment of the requirement for the degree of Master of Science, School of Environment, Resources, and Development Thesis (M.Sc.) - Asian Institute of Technology, 1995 Fish are the main source of animal protein in the diet of Bangladeshis and so fish are of great importance in Bangladesh. In the past there were plenty of fish in water bodies like rivers, floodplains, natural depressions and oxbow lakes but open water fish production is declining day by day due to population growth,overfishing and environmental degradation. As a result per caput fish consumption has declined drastically. This study identified the constraints to, and opportunities for pond fish culture. One hundred and fifty pond owners were interviewed in four thana in Mymensingh district. Factorss relating to water quality like colour of water, natural sources of nutrient, presence of macrophytes were observed and chemical parameters of each pond were measured by an analytical kit box. Characteristics of non-cultured ponds were compared with those used for fish culture. Some non-cultured ponds were suitable for fish culture, but conflict among multiple owners was the main cause for leaving the ponds without culture. Derelict ponds mostly needed deepening and repair of dikes. Lack of capital and inadequate and difficult processes for loan disbursement were other major problems rendering ponds derelict. Water quality was not a major problem as ponds which were not cultured were also found to be fertile. Lack of capital for operating costs, lack of technical knowhow and timely availability of fry were the main problems for cultured ponds. The following recommendations are proposed, A study to eliminate the multiple ownership problem of ponds. A research to develop low-cost supplementary feed using surplus and underutilized on-farm resources and by products is required. Institutional credit should be arranged for pond owners with simple and easy procedures. A fisheries bank may be created in this regard. Existing government seed farms should increase production and train pond owners to introduce nursery operations at the household level. Fish ponds Bangladesh Edwards, Peter, Chairperson Hambrey, John B., Co-Chairperson Sununtar Setboonsarng, Examination committee Government of Bangladesh / Asian Development Bank, Examination committee Asian Institute of Technology. Thesis ; no. AE-95-30 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B15199 .b11511333 mnait v 240404 0 960710 m a v 2 mnait mnarc 22 14 Barcode : 30050120578165 CREATED : 2014-02-18 RECORD # : i12765806 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050120372031 CREATED : 2016-02-06 RECORD # : i13012034 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 44189 44189 0 0 0 0 MAIN MAIN mnait 2026-08-18 50.00 0 AIT Thesis no. AE-95-30 30050120578165 2026-08-18 11:37:04 3 2026-08-18 22 0 0 0 0 MAIN MAIN mnarc 2026-08-18 0 AIT Thesis no. AE-95-30 30050120372031 2026-08-18 11:37:04 1 2026-08-18 14