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題 名 | The Evaluation of Tung-Ao Artificial Reefs in North-eastern Taiwan=東澳人工魚礁區之效益評估 |
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作 者 | 劉春成; 陳瑞榮; 歐錫祺; | 書刊名 | 臺灣水產學會刊 |
卷 期 | 18:2 1991.06[民80.06] |
頁 次 | 頁105-115 |
分類號 | 439.22 |
關鍵詞 | 人工魚礁區; 東澳; |
語 文 | 英文(English) |
中文摘要 | 人工魚礁對魚類的誘集效果良好,且為漁業管理的重要工具,已為一般人所承認。但目前已刊出的文章中,大部分是關於礁區的設置或魚類相變化之連續觀察,對人工魚礁設置後,其誘集的魚?對當地漁獲量的影響程度如何?並未闡明。因此,本文將討論人工魚礁投放前與投放後的漁獲情形,來究明人工魚礁的效益。 1.人工魚礁投放前與投放後其漁獲魚種有明顯的改變,投放前有22種魚類而投放後增為44種。 2.選擇投放前與投放後均有捕獲的魚種(共22種),進行漁獲量的比較,在人工魚礁投放後,共有18種魚類的漁獲量增加,其中有6種顯著增加;4種減少,其中有2種顯著減少。 3.在人工魚礁投放後其月別單位努力漁獲量及月別單位努力所得均明顯地增加。 |
英文摘要 | It is a general agreement that artificial reefs are effective fish attractants and the emplacement of artificial reefs is an important fishery management tool. Most published papers deal with building artificial reefs, or describe in detail the successional change of the species composition, the importance of fish attraction and the related changes of fish production have less been addressed. This paper thus studies the effectiveness of artificial reefs by comparing fish production before and after reefs were emplaced. The results are presented as follow: 1.The species composition changed after the artificial reefs were emplaced. A total of 44 species were recorded after the reef emplacement, compared with the 22 species recorded before the emplacement. 2.Among 22 species recorded, the catch of 18 species increased after reefs were emplaced with a decrease of 4 species. 3.The monthly catch per unit effort and monthly income per unit effort increased substantially after reefs were emplaced. |
本系統中英文摘要資訊取自各篇刊載內容。