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題 名 | 臺灣西南部滿豐定置漁場漁獲組成與變動之研究=Study on Catch Species Composition and Variation in Mangfong Set-net Fishing Ground, Southwestern Taiwan |
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作 者 | 鄭火元; 吳盈璋; | 書刊名 | 國立高雄海洋科大學報 |
卷 期 | 27 2013.03[民102.03] |
頁 次 | 頁1-26 |
分類號 | 439.22 |
關鍵詞 | 定置網漁業; 滿豐定置漁場; 優勢魚種; 漁況變動; Set-net fishery; Mangfong set-net fishing ground; Dominant species; Fishing condition; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究探討臺灣西南部滿豐定置漁場之漁況變動,以2001年至2007年連續七個年度漁獲組成、單位努力漁獲量(CPUE)、漁季、漁期等漁況資料變動及差異進行解析探討,初步結果摘述如下:1. 本漁場主要漁獲季節在春季及夏季,漁獲高峰期為3~6月。2. 年漁獲魚種數在91~105之間;魚種歧異度指數(H'=1.48~1.76)及均質度指數(J'=1.29~1.80)高之原因,是由於其優勢魚種之魚類相組成種類較多(計33 種)。優勢魚種中有13種之來游穩定性佳,較為穩定之魚種乃以洄游性魚類之鯖、鰺科為主;若能設置外垣網,則可有效導引外洋洄游魚群入網,提高漁獲效率。 |
英文摘要 | This study aims to explore and analyze the variation of fishing condition of Mangfong set-net fishing ground at the southwestern coast of Taiwan from 2001 to 2007. Results were obtained as below:1. The main seasons of catching at Mangfong set-net fishing ground were spring and summer, and the peak of catch is from March to June.2. Annual catch species is 91~105 in 7 consecutive years. Both the diversity index (H'=1.48~1.76) and the homogeneity index (J'=1.29~1.80) of dominant species at Mangfong set-net fishing ground are higher due to the amount of dominant species (33 species). The dominant species are composited mainly of migratory species, including fishes of Scombridae and Carangidae. If there is outside leader net attached to set-net, fishing efficiency would be promoted. |
本系統中英文摘要資訊取自各篇刊載內容。