頁籤選單縮合
題 名 | 南臺灣珊瑚礁區雀鯛科魚類食物資源分配之研究 |
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作 者 | 郭世榮; 邵廣昭; | 書刊名 | 嘉義農專學報 |
卷 期 | 34 1993.09[民82.09] |
頁 次 | 頁93-109 |
分類號 | 387.105 |
關鍵詞 | 分配; 南臺灣; 珊瑚礁區; 食物資源; 雀鯛科魚類; 棲所; 雜食性; 寬度指數; 重疊度指數; Damselfishes; Habitat; Omnivores; Breadth index; Overlap index; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究共採獲40種、1017尾雀鯛科魚類之標本,共記錄其棲所環境達11 種之多,其中以活動於礁盤、礁壁、礁岩、碎礫之雜食性雀鯛種類(佔43為最多; 活動在水層中食動物性浮游生物之雀鯛科種類(佔34:次之;活動於礁盤、碎礫、岩 石底部之草食性雀鯛種類(佔20);而活動與棲息於枝角珊瑚內捕食珊瑚虫之雀鯛 種類(佔3),為最少;經計算食物寬度指數後,其總平均值為3.1±1.2;重疊度指數總 平均值為0.45±0.17。此結果顯示雀鯛科魚類對食物資源之利用具有分配的現 象,而減少彼此之間對食物資源之競爭。 |
英文摘要 | Forty dam selfish species of 1017 specimens were collected in 11 habitats for alistanulysis. Forty - three percent of the species were omnivores that occurred in reefflats ' reef slope ' coral rubbles ; mid - water zooplankton feeders comprised 34 of the fauna ', herbivores which fed on reef flats 、 coral rubbles or sand - stonebottoms comprised 20 as their main food resource; coral - polyp feeders usingAcropora coral heads comprised 3 of the fauna. The mean values for diet breadthindex and overlap index were 3.1 ±1.2 and 0.45 ±0.17 ' respectively. The resultsindicated that damselfishes partitioned their food resources : Thus , were able toreduce their competition for the food resource. |
本系統中英文摘要資訊取自各篇刊載內容。