碩士 / 國立臺灣海洋大學 / 水產養殖學系 / 107 / The purpose of this research is to analyze the Anguilla japonica aquaculture fishery in Taiwan and its key factors affecting the industry for reference in the development of industrial strategies. The research methods included collecting and analyzing the agricultural production economic information, applying various principles of economics, and utilizing multivariate statistical analysis.
The research results suggested that the best survival rate was in Yunlin Kouhu and the lowest in Tainan based on biological information of aquaculture management. Meanwhile, results also showed the stocking density was highly related to the fry size. On the marketing side, the Anguilla japonica in Taiwan was mainly exported to Japan, 4 p/kg as the main product. Since the export market only consisted of Japan, we were forced to be the price taker in the market. Market analysis showed the income return was negative in Tainan, Pingtung, and Kaohsiung since stocking density did not exceed the point for positive returns. However, Yunlin and Chiayi were as experienced positive returns and obvious economic benefits due to the timing of seedlings releasing and the shipping season.
According to the canonical correlation analysis, the biological data of the Anguilla japonica was positively correlated with economic variables. When the stocking density and survival rate were increased, the industrial operation efficiency improved. research showed that there was still room for increasing stocking density in the Anguilla japonica aquaculture industry in Taiwan; however, the shortage of fry decreased the production capacity per unit. Hence, we should improve the production efficiency by shortening the breeding cycle, increase the survival rate by enhancing farming technology, and reduce other expenses to increase profits.
The cost factor analysis of Anguilla japonica aquaculture indicated that the eel fry was the most important cost element which effected the total revenue significantly. The results from the Cobb-Douglas production function analysis revealed that coefficient of output elasticity of eel fry was 0.8526, which meant one extra percent of eel fry investment maximized 0.8526 percent of total revenue. Meanwhile, the total production elasticity coefficient of Anguilla japonica was 1.0012. This indicated that the scale return rate of Anguilla japonica aquaculture industry in Taiwan was constant and there was no economic scale effect.
The SWOT analysis of Taiwan’s Anguilla japonica aquaculture pointed out that the cost and technical advantages of Taiwan were being outpaced by its regional rivals i.e. China and Korea. The aging labor force and typical small business size with limited capital to invest in new technology constrained the progress, which was a dilemma that Taiwan’s aquaculturists needed to be faced with. To promote the brand value of Taiwan, the aquaculturists should learn to make good use of Taiwan’s unique geographical advantages of natural farming, and more actively enhanced academia and industry collaboration in order to introduce the latest technology as well as to improve labor quality; meanwhile, it was inevitable to comply with international conservation policy. It was aimed to build a high value service chain by providing customers with one-stop services of fishery products produced, processed and exported by Taiwan, a trusted brand in the global market.
At present, the development of the industry is limited by the shortage of fry resources and the concern of international environmental protection organizations. Therefore, it is important to carry out international regional cooperation. In the future, we should take the habitats of Anguilla japonica in Taiwan, China, Japan and Korea as a main body, develop regional cooperation, and realize the concept of joint production and quota sharing, so as to avoid the Anguilla japonica being listed in Appendix II of CITES. In brief, the Anguilla japonica industry in these countries listed above need to co-exist and share prosperity in order to be sustainable.
| Identifer | oai:union.ndltd.org:TW/107NTOU5086027 |
| Date | January 2019 |
| Creators | Wang, Chieh-Pu, 汪介甫 |
| Contributors | Huang, Cheng-Ting, 黃振庭 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | zh-TW |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 113 |
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