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題名 | 臺灣西南海域巴鰹漁獲量變動與海況之相關性研究 |
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作者姓名(中文) | 邱萬敦; 鄭利榮; | 書刊名 | 技術學刊 |
卷期 | 8:3 1993.09[民82.09] |
頁次 | 頁399-405 |
分類號 | 439.23 |
關鍵詞 | 巴鰹; 西南海域; 海況; 漁獲量; 臺灣; |
語文 | 中文(Chinese) |
中文摘要 | 本研究自1992年1月至6月,租用民間漁船,調查本省西南部竹坑海域之海況,並配合竹坑滿豐定置網漁場的巴鰹漁獲資料,以探討巴鰹漁獲量變動與海況之關連。同期間內,滿豐定置網漁場巴經之漁獲量為1844.5Kg,而其盛漁期為3月中旬至下旬。根據水溫及溶氧之分佈得知,竹坑海域之海流,1月份 為南下的沿岸冷水流,2~3月為黑潮支流之暖水舌侵入沿岸域,4~5月為黑潮支流的生的暖水,6月以後推測為北流的黑測支流。沿岸海域之潮汐流流向的轉變與漲落潮無關係。3月中旬至下旬巴鰹漁獲量的激增,與黑潮支流侵入的暖水舌恰經定置網敷設位置有密切的關係。 |
英文摘要 | Relationships between the catch fluctuation of oceanic bonito (Euthynnus affinis) and oceanographic conditions were investigated in the southwestern waters of Taiwan from January 1992 to June 1992. During this period, the catch of oceanic bonito caught by Man-Fong set net was 1844.5 kg, but the main fishing period was from 10th to 31th in March. According to the distribution of water temperature and dissolved oxygen, the main current adjacent to Chu-Ken was the coastal cold waters which flows southward in January, the warm water tongue intruded into the coastal area from February to March, the warm water derived from Kuroshio branch from April to May, and Kuroshio branch flowed northward after June. The direction of the coastal tidal current is nothing to do with flood and ebb. There is an close relationship between the good catch of oceanic bonito and the warm water tongue flowing just through the position of set net. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。