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題 名 | Economic Analysis of Tiger Grouper (Epinephelus fuscoguttatus) Cage Farming in Aceh, Indonesia=印尼亞齊省老虎斑(Epinephelus fuscoguttatus)箱網養殖產業之經濟分析 |
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作 者 | 黃振庭; 那瑟蘿; 陳詩璋; 蕭堯仁; 孫國祥; | 書刊名 | 臺灣水產學會刊 |
卷 期 | 41:3 2014.09[民103.09] |
頁 次 | 頁171-187 |
分類號 | 439.5 |
關鍵詞 | 老虎斑; 亞齊省; 生產規模; 投入密度; 利潤; 生產函數; Tiger grouper; Aceh; Production scale; Input intensity; Profitability; Cobb-Douglas poduction function; |
語 文 | 英文(English) |
中文摘要 | 本研究主要探討印尼亞齊省老虎斑箱網養殖,在不同養殖地點及生產規模,針對2013年印尼老虎斑成本投入密度與收益進行分析。由司馬威市與錫默盧島選出三十位石斑魚養殖業者做為亞齊省老虎斑養殖之抽樣。樣本大小基於生產成本分為兩種規模(小規模與大規模)。分析資料為生物性變數包含放養密度與活存率,而經濟性變數包含成本投入密度和收益。利用多變量變方分析和主成分分析後,再進一步以生產函數來分析現今亞齊省老虎斑生產系統。結果顯示,成本投入以魚苗、飼料及人力為主,佔總生產成本80%。統計分析結果,成本投入和獲利在兩個地區和不同規模之間均有顯著的差異。生產函數分析顯示,隨著經濟規模的遞增,投入加倍,則產出亦增倍。優質的種苗對於老虎斑養殖之淨收益具有相當影響力。 |
英文摘要 | This study presents an economic analysis of tiger grouper cage farming at different locations and production scales in Aceh, Indonesia on the input intensity and the varied profitability for the year 2013. Thirty groupers cage farms were selected from two different districts (Lhokseumawe and Siemeulu Island) that represent to the total grouper cage farming production in Aceh. The sample sizes then were categorized into two scales (small and large) based on their production cost. Two sets of variables were carefully determined. The first set was the biological type which consisted of stocking density and survival rate whereas the second set was the economic type which consisted of input intensity and varied profitability. Multivariate statistical concepts were applied which included multivariate analysis (MANOVA) and principle component analysis. The Cobb-Douglas production function was further used to study the current status of tiger grouper production system. As a result, three major input costs (fingerlings, feed and labor) were considered in the analysis as they represented more than 80% of the total production cost in the system. Statistically speaking, both location and production scale had significant effect on the input intensities but neither their interaction. In regard to the varied profitability, the individual main effects of location and production scale were not only significant but their interaction was also significant. Finally, the Cobb-Douglas production function analysis showed an increasing return economy of scale which means that doubling of all inputs will more than double output. The availability of high quality fingerling has shown a contribution to affect the net return in tiger grouper cage farming. |
本系統中英文摘要資訊取自各篇刊載內容。