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題 名 | 臺灣恆春南灣海域之溫排水擴散與漁場經濟效益評估之研究=Studies on the Thermal Effluent Diffusion and the Assessment of Economic Efficiency of Fishing Ground in Nanwan Bay at Herng-Chuen in Taiwan |
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作 者 | 蔡光照; 鄭利榮; 邱萬敦; | 書刊名 | 國立高雄海院學報 |
卷 期 | 16 2001.12[民90.12] |
頁 次 | 頁49-78 |
分類號 | 439.2 |
關鍵詞 | 溫排水; 海洋環境; 魚類相; 漁場來游率; Thermal effluent; Oceanic environment; Biota; Immigrationg ratio of fishing ground; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究分別1990年7月至1992年12月和1996年7月至2001年5月從事 水溫、潮流和漁獲調查以探討南灣海域溫排水擴散與海洋環境的關係,同時評估魚 場經濟效益,以期瞭解溫排水影響漁業的程度如何。 潮流乃決定溫排水擴散之最重要因子,而水深、海底地形以及排放口地理位置 亦為影響溫排水擴散之重要因子。於南灣海域每航次的漁獲量為41公斤,每航次僅 約3,000元之利潤,作業頻度低,其漁場利用價值不高。因溫排水擴散範圍僅及出 水口為圓心而半徑為1公里之範圍內,漁場分佈並未受到溫排水影響,灣內之魚類 相和漁獲量之變動乃受漁場來游率的影響,與溫排水之擴散並無關連。 |
英文摘要 | The thermal effluent diffusion in relation to the oceanic environment and the assessment of economic efficiency of fishingground were studied in Nanwan Bay be surveying the water temperature、 tidal current and the catch from July 1990 to December 1992 as well as from July 1996 to May 2001 separately to understand the effect of the thermal effluent on fishery. The thermal effluent diffusion is mainly influenced by the tidal current, whereas it is also affected by water depth、 bottom topography and the geographic position of outlet. On the other hand, the availability of fishing ground in Nanwan By isn't high because the catch is 41 kilograms and the profit is only 3,000 dollars NT per voyage and then the fishing operation frequency is relatively low. It is concluded that the distribution of fishing ground is not affected by the thermal effluent diffusion which is limited to an area of 1,000 m from the outlet of the third nuclear power plant. The biota and the catch fluctuations in Nanwan Bay are influenced by the immigrating ratio of fishing ground and there have no close relation with the thermal effluent. |
本系統中英文摘要資訊取自各篇刊載內容。