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題 名 | Growth and Development of Oophagous Tadpoles in Relation to Brood Care of an Arboreal Breeder, Chirixalus Eiffingeri (Rhacophoridae)=艾氏樹蛙(樹蛙科)食卵蝌蚪之成長發育與母蛙撫育之研究 |
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作 者 | 關永才; 陳怡惠; 莊鎮碩; 黃宗舜; | 書刊名 | 動物研究學刊 |
卷 期 | 36:3 1997.07[民86.07] |
頁 次 | 頁186-193 |
分類號 | 388.691 |
關鍵詞 | 無尾類; 生態; 族群; 母蛙撫育; Anuran; Ecology; Population; Brood care; |
語 文 | 英文(English) |
中文摘要 | 本研究採討艾氏樹蛙蝌蚪的成長、發育及存活。實驗在溪頭臺灣大學實驗林進行。 實驗期間一共追蹤13個竹筒,其中三個竹筒內有前次產卵所孵化的蝌蚪。蝌蚪孵出後,我 們每個星期追蹤蝌蚪數量及體長直到最後一隻蝌蚪不見為止。蝌蚪數及到達Gosner 30期的 存活率與卵數不相關。蝌蚪數在發育過程中減少的主要原因可能是飢餓、互相殘殺及被掠食。 沒有被餵卵的蝌蚪不會成長與發育,這說明母蛙撫育的重要性。蝌蚪成長及發育與密度相關 性不顯著。在有兩批不同年齡蝌蚪的竹筒,先前孵化的大蝌蚪很明顯會影響後來孵化的小蝌 蚪的成長發育,但其中的機制則有待進一步去了解。 |
英文摘要 | Yeong-Choy Kam, Yi-Huey Chen, Zhen-Shuo Chuang and Tsung-Shun Huang (1997) Growth and development of oophagous tadpoles in relation to brood care of an arboreal breeder, Chirixzlus eiffingeri (Rhacophoridae). Zoological Studies 36(3): 186-193. We studied the growth, development, and survivorship of Chirixalus effingeri tadpoles in 2 bamboo tree habitats at the Experimental Forest of National Taiwan University at Chitou from July to October 1994. We found 13 egg clutches in bamboo stumps of which 3 were deposited in stumps already containing tadpoles. We monitored the number and total length (TL) of all tadpoles in the water pool of every nest until no tadpoles were left. The number of post-hatching tadpoles found in pools was not correlated with clutch size. The survival rate of tadpoles before Gosner stage 30 varied widely and was not correlated with initial tadpole number. The decrease in the number of tadpoles may have been due to starvation, cannibalism, and/or predation. Tadpoles that did not receive trophic eggs failed to grow and develop, suggesting thte importance of brood care. The growth and development of tadpoles were not correlated with initial tadpole density. The presence of tadpoles from an earlier clutch strongly affected the growth and development of tadpoles from a later clutch, but the mechanism(s) of interaction between the 2 cohorts of tadpoles has yet to be resolved. |
本系統中英文摘要資訊取自各篇刊載內容。