TREND AND GROWTH RATE ANALYSIS OF POND NUMBER, WATER SURFACE AREA, PRODUCTION AND PRODUCTIVITY OF FISH FARMING IN BARA DISTRICT, NEPAL
2022
Purushottam Dhungana | Dilip Kumar Jha | Subash Bhandari | Arjun Prakash Subedi
Eastern terai of Nepal carries a great potential for fish farming. A study was conducted to assess the trend of pond number, water surface area, production, and productivity of fish in Bara district. For the study secondary data were collected from “Statistical Information on Nepalese Agriculture” published yearly by MoALD from 1999/2000 to 2018/19. Microsoft Excel program and XLSTAT, add in for Ms. Excel were used for analysis of data. Mann-Kendall test and Sen’s slope method were used for identifying and quantifying the trends. Inferences from Mann-Kendall test concludes that the monotonic trend is present in pond number, water surface area, production and productivity at 95% level of significant. Pond number, water surface area, production, and productivity had jumped by 266.98%, 343.05%, 662%, and 72.01% respectively during the study period. The result from Sen’s slope showed that the number of ponds, water surface area, production, and productivity were increasing at the rate of 179.15 ponds per year, 57.823 ha per year, 360602.94 kg per year and 144.667 kg/ha per year respectively. Annual growth indicate that highest annual growth rate for all variable occurs in 2011/12. Compound Annual Growth Rare indicate growth rate of production (10.69%) was highest followed by water surface area (7.73%) and growth rate for productivity (2.74%) was lowest. The district have basic infrastructure for fish farming and the findings from this study will aid in policy formulation and program implementation for strengthening production and marketing strategies of fish in Bara.
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