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題 名 | 二種雀鯛科魚類攝食生態學之研究 |
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作 者 | 郭世榮; 邵廣昭; | 書刊名 | 嘉義農專學報 |
卷 期 | 26 1991.06[民80.06] |
頁 次 | 頁281-301 |
分類號 | 387.105 |
關鍵詞 | 生態學; 雀鯛科; 魚類; 攝食; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究係以墾丁國家公園海域(22°N:121°E)產雀鯛科魚類 (Pomacentridae)為研究對象,自1988年3月至1989年4月,以水肺潛水(SCUBA)方式 分別在萬里桐、香蕉灣之亞潮帶珊瑚礁區,採集二種當地顯著之雀鯛一黃尾雀鯛 (Pomacentrusrhodonotus)及兩色雀鯛(Chromis margaritifee),共採獲477尾標本,分析 其胃內含物之種類來進行分析其不同時段、季節及不同體長等級之攝食生態變 化。其結果顯示在不同時段之攝食強度以中午為最高,但並未改變其攝食習性。 此外季節性月別變化之差異雖或影響其餌料組成,但對該魚種之基本攝食型態並 沒有影響。就不同體長等級之黃尾雀鯛及兩色雀鯛之食性研究,結果則顯示隨體 長之增長對食物種類有逐漸更替之現象。 |
英文摘要 | A total of 406 specimens of two damselfishes Pomacentrus rhodonotus andChromis margaritifer were collected and analyzed at Wan-Li-Tung and HsiangChiao-Wan in the waters around Kenting National Park, southern tip of Taiwanfrom March 1988 to April 1989. The studies of the variation of feeding habits on different daytime, season andsize- class were analyzed through of comparison of the stomach contents of twodomint species of Pomacentrus rhodonotus and Chromis margaritifer. The resultsshowed that although their most active feeding time is around the noon. Theproportions of stomach contents may be varied significantly in season, but theirbasic feeding habit was not change. The results of comparing difficult size-classalso suggested that the larger of the size-class, the greater changes of their fooditems. |
本系統中英文摘要資訊取自各篇刊載內容。