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相關文獻
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頁籤選單縮合
題 名 | Reproductive Activities of Female Uca Vocans Borealis in the Tanshui Mangrove Swamp of Northern Taiwan=淡水紅樹林雌性北方呼喚招潮蟹的生殖活動 |
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作 者 | 史金燾; 曾蘇賢; | 書刊名 | Journal of Taiwan Museum |
卷 期 | 51:1 1998.06[民87.06] |
頁 次 | 頁1-19 |
分類號 | 387.13 |
關鍵詞 | 招潮蟹; 北方呼換招潮蟹; 年生殖型; 生殖周朝; 幼體孵育期; Fiddler crab; Uca vocans borealis; Annual reproductive pattern; Female reproductive cycle; Incubation time; |
語 文 | 英文(English) |
中文摘要 | 本報告研究1994 年10月-1996年5月間,淡水紅樹林雌性北方呼喚招潮蟹的生殖活動。於此期間,每月至少在棲地作一次標本採集,分析項目是:抱卵的百分率、抱卵數、生殖腺體重比值、肝胰臟體重比值及卵巢和肝胰臟中蛋白質及脂肪的含量。結果顯示此蟹一年中有生殖期 (抱卵,1-9月) 和非生殖期 (不抱卵,10-12月),排卵並非同步,胚胎發育須15-20天,生殖周期為18-20天。 |
英文摘要 | We studied the reproductive activities of female Uca vocans borealis in the Tanshui mangrove swamp of northern Taiwan during 1994-1996. In this period, sample collection was carried out at least once in every month. Crabs collected were examined for percentage of egg-carrying, clutch size, gonadosomatic and hepatosomatic indices, and he protein and fat contents of ovaries and hepatopancreases. Results showed tht U. vocans borealis has an annual reproductive pattern, expressed by stable breeding (egg-carrying, January-September) and nonbreeding periods (nonegg-carrying, October-December). The ovulation is asynchronous and the incubation of embryos ranged from 15-20 days. The reproductive cycle is estimated to be 18-20 days. |
本系統中英文摘要資訊取自各篇刊載內容。