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WATER QUALITY AND SOCIO-ECONOMICS FACTORS AFFECTING FISH PRODUCTION IN CIRATA RESERVOIR, WEST JAVA, INDONESIA
http://hdl.handle.net/10076/14203
http://hdl.handle.net/10076/1420374998899-b638-4711-94a9-7101c6a7e39a
名前 / ファイル | ライセンス | アクション |
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2013M330.pdf (878.0 kB)
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||
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公開日 | 2014-09-30 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | WATER QUALITY AND SOCIO-ECONOMICS FACTORS AFFECTING FISH PRODUCTION IN CIRATA RESERVOIR, WEST JAVA, INDONESIA | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_46ec | |||||
資源タイプ | thesis | |||||
著者 |
Nadia, Istiqomah
× Nadia, Istiqomah |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The study was aimed to investigate socio-economics factor affecting fish production and to estimate water quality factor affecting fish production in Cirata Reservoir, West Java, Indonesia. Data were obtained from 115 farmers spread over 3 districts in the area of study. Cross section data of socio-economics factors were obtained from the farmer and examined in the study. In addition, historical data of water quality were gathered from the institution. Cobb-Douglass production function was used to estimate the relationship among socio-economics variables and fish production. Principal Component Analysis (PCA) was used to reduce dimension of water quality dataset then examine water quality data and fish production, represented by fish kill ratio. The result revealed that socio-economics factors affecting fish production in the area of study included feed (77%, p<0.01), fingerlings (7%, p<0.1), cost of production (7%, p<0.05), number of cages (4%, p<0.05), labor (6%, p<0.05), and feeding time (10%, p<0.01). Other socio-economics factors such as educational background, experiences, location, and number of dependents, have not significant affect to fish production in the study area. Bottom measurement of water quality was used to estimate water quality and fish kill ratio. According to the Principal Component Analysis (PCA) result, the most variances of water quality parameters in Cirata Reservoir are TSS, DO, Nitrite and Turbidity. Fish kill ratio, as representative of production risk, in the study area were examined by water quality data. The study revealed that Total Suspended Solid (TSS) and Dissolved Oxygen (DO) has similar trend with fish kill ratio. Both parameters represent water quality and fish kill occurrence in the study area. Fish production in Cirata Reservoir is mainly determined by input factors than personality background of the farmers. However, this activity also determined by environmental condition, represented by water quality, which may lead to the production risk, such as fish kill occurrences. The number of fingerling stocked and feed used revealed that farmers are overstocked and overused compare to regulated amount. Therefore, decreasing intensity of amount of fingerling stocked and feed used are necessary. Further, better management for fish farming practice is recommended due to sustainable fish production in the study area. Farmers should be involved to take a role actively in reservoir management. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Laboratory of Economic System of Bioresources Department of Sustainable Social System Graduate School of Bioresources Faculty, Mie University$$Master Program of Environmental Science, Padjadjaran University | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 46 | |||||
書誌情報 |
発行日 2014-01-01 |
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フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | 三重大学 | |||||
修士論文指導教員 | ||||||
姓名 | 松井, 隆宏 | |||||
言語 | ja | |||||
資源タイプ(三重大) | ||||||
Master's Thesis / 修士論文 |