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題 名 | 臺灣臺東大武地區越冬斑蝶生態之研究=Overwintering Ecology of Danaine Butterflies in the Dawu Area, Taitung County, Southeastern Taiwan |
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作 者 | 趙仁方; 許佳榕; 陳東瑤; 楊平世; | 書刊名 | 臺灣昆蟲 |
卷 期 | 27:1 2007.03[民96.03] |
頁 次 | 頁17-30 |
分類號 | 387.793 |
關鍵詞 | 紫斑蝶屬; 青斑蝶屬; 群聚結構; 族群估算; Euploea; Tirumala; Community structure; Population estimation; |
語 文 | 中文(Chinese) |
中文摘要 | 台灣台東大武地區佔地約2.7公頃的斑蝶越冬樓息地,每年冬天會有許多紫斑蝶類與青斑蝶類在此越冬,是目前台灣已知大型的斑蝶越冬樓息地之一。本研究自2004年11月至2005年3月止,以標記再補法和觀察方式,進行斑蝶越冬生態研究。研究結果顯示:在越冬斑蝶群聚中,以斯氏紫斑蝶數量最多,約佔所有越冬斑蝶的60%以上;越冬斑蝶的族群數量從11月起逐月增加,至次年1月下旬達最高峰;其後族群數量隨著斑蝶逐次遷離越冬樓息地而減少;族群數量最大可達32萬隻。白天青斑蝶屬(Tirumala spp.)偏好停樓於6公尺以上的喬木,紫斑蝶屬(Euploea spp.)則偏好停樓在6公尺以下的灌木或小喬木,夜間二者均選擇停樓在6公尺以上的喬木。在天敵觀察方面,有兩種蜘蛛-人面蜘蛛(Nephila pilipes (Fabricius))和橫帶人面蜘蛛(N. clavata Koch)和一種鳥類-紅嘴黑鹎(Hypsipetes madagascariensis (Muller))會補食越冬斑蝶。 |
英文摘要 | An area of about 2.7 ha at Dawu (Taitung County, southeastern Taiwan) where several species of Euploea and Tirumala danaine butterflies form a massive overwintering assemblage in winter is known as the largest danaine butterflies overwintering site in Taiwan. From November 2004 to March 2005, ecological studies were conducted by the marked-released-recaptured method and direct observations. The results showed that the most abundant species in the overwintering butterfly community was Euploea sylvester swinhoei Wallace & Moore, which comprised > 60% of the total number of sampled individuals. The number of overwintering butterflies increased by November and reached the highest peak in late January. Then, the number of overwintering butterflies slowly decreased with emigration of the danaine butterflies. The maximum number of individuals may reach 320,000. In the daytime, Tirumala spp. prefer to cluster on trees higher than 6 m while Euploea spp. prefer to cluster on shrubs or trees lower than 6 m; however, at night, both of them choose to cluster on trees higher than 6 m. The individual distance among Tirumala spp. is short so they often cluster as a ball. The predators observed during the study included the spiders Nephila pilipes (Fabricius) and N. clavata Koch and the Black bulbul Hypsipetes madagascariensis (Müller). |
本系統中英文摘要資訊取自各篇刊載內容。