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題名 | 九孔飼餵含銅之龍鬚菜的蓄積排放研究=Copper Accumulation and Elimination in Small Abalone Haliotis Diversicolor Supertexta Fed with Copper Contaminated Sea Weed Gracilaria Verrucosa |
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作者 | 林世榮; 丁雲源; | 書刊名 | 水產研究 |
卷期 | 4:1 1996.06[民85.06] |
頁次 | 頁77-84 |
分類號 | 439.61 |
關鍵詞 | 九孔; 龍鬚菜; 銅; 蓄積; Haliotis diversicolor supertexta; Gracilaria verrucosa; Copper; Accumulation; |
語文 | 中文(Chinese) |
中文摘要 | 本報告在探討當龍鬚菜累積銅時,取之投餵九孔,其對九孔體內之蓄 積與排出情形。培育龍鬚菜之銅濃度分別為0.05、0.10、0.20、0.30與 0.40 mg/l 組以及對照組等共六組。九孔飼餵含銅之龍鬚菜的吸收含量試驗共80天,而九 孔對銅之釋放試驗共60天。經試驗結果得悉龍鬚菜對銅之吸收含量隨添加濃度 與時間之增加而升高。九孔飼餵培育在銅濃度0.1 mg/l以下之龍鬚菜其對銅之 吸收含量不隨時間增加而持續上升,但是0.2 mg/l以上各組則明顯增加。九孔 飼餵含銅之龍鬚菜,不隨龍鬚菜累積銅量之增多而持續升高,其動態平衡點在 銅濃度0.4 mg/l,吸收時間60天。九孔內臟對銅之吸收累積量比腹足部多。九 孔經再投餵未處理龍鬚菜 60天後,其對銅之釋放量與時間有顯著相關性,隨 時間增長,保有率愈少。 |
英文摘要 | The objective of this study was to determine the copper accumulation and elimination of Haliotis diversicolor supertexta fed with copper contaminated sea weed Gracilaria verrucosa. The sea weed was cultured in the copper solution at 0, 0.05, 0.10, 0.20, 0.30 and 0.40 mg/l. The amounts of copper accumulated in Gracilaria increased proportionaly with concentration and time. At the concentrations of 0.2mg/l and above the amounts of accumulation of copper in the abalone increased proportionaly with time, but it was not so at the concentrations at and under 0.1mg/l. The abalone fed with Gracilaria containing copper, the accumulation didn't increase with copper concentration in Gracilaria. The equilibrium of copper contents was at 0.4mg/l for the period of 60 days. The amounts of accumulation of copper in viscera were higher than feet in the abalone. After the 80 days feeding experiment with copper contaminated Gracilaria, the abalone then fed with copper free Gracilaria for 60 days, copper concentration decreased with time. |
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