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題 名 | Spatio-Temporal Variation of the Catch of Sergestid Shrimp, Sergia Lucens Hansen, in the Coastal Waters of Southwestern Taiwan=臺灣西南海域櫻蝦漁獲量之時空變化 |
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作 者 | 陳守仁; 蘇偉成; 何權浤; 周耀烋; | 書刊名 | 臺灣水產學會刊 |
卷 期 | 25:1 1998.03[民87.03] |
頁 次 | 頁45-56 |
分類號 | 439.66 |
關鍵詞 | 生產力指數; 櫻蝦; 臺灣西南; Productivity; Sergestid shrimp; Sergia lucens hamsen; Southwestern Taiwan; |
語 文 | 英文(English) |
中文摘要 | 本報告係就臺灣櫻蝦漁業16艘標本船於0990年11月至1991年8月漁期間,作業 3,225網次之漁況資料,分柝該漁場之漁獲組成變動情形;並由13個等面積區域漁場之單 位努力漁獲量,計算其生產力指數,以探討各區域漁場之生產力。結果顯示,與櫻蝦同時 混獲之魚蝦種類,共有41種,漁獲組成中,燈籠魚科佔63.42%,為本漁業混獲物中之優 勢種,櫻蝦居次,佔28.40%。本年度櫻蝦總產量為980噸,漁場內13個等面積海域之生產 力指數介於0.064~2.003之間,其中以枋寮外海海域最高,琉球西南海域次之,琉球東南 海域最低。大致而言,如以小硫球與東港溪之連線為界,東港至枋寮海域之生產力指數呈 西北與東南相對稱之等量分佈,另可能由於海底地形及海況條件之影響,枋寮至枋山海域 之漁場生產力指數普遍高於東港外海與小硫球以北海域。 |
英文摘要 | Species composition of marine creatures in the sergestid shrimp fishing ground was investigated based on the 3,225 samples collected by 16 sampling vessels during November 1990 and August 1991. The CPUE of the creatures among fishing areas was compared to evaluate the productivity of fishing ground. Fourty one species of fishes, sergestid shrimp and other shrimps were caught, in which myctophid fishes (63.42%) were the most dominant, followed by sergestid shrimp (28.40%). The annual catch of sergestid shrimp was about 980 metric tons, with a productivity of 0.064-2.003. Productivity was the highest in area off Fan-Liao, followed by southwestern area off Liu-Chiu Yu, southeastern area off Liu-Chiu Yu the least. Two main fishing grounds off Tung-Kang and Fan-liao which were adjacent to Liu-Chiu Yu and Tung-Kang rivers have nearly equal distribution of the sergestid shrimp. However, the productivity of the fishing ground covering the coastal waters between Fan-Liao and Fan-Shan was generally higher than those in the northern ground between Tung-Kang and Liu-Chiu Yu. The differences were probably due to bottom topography and sea conditions. |
本系統中英文摘要資訊取自各篇刊載內容。