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頁籤選單縮合
題 名 | 以底棲動物為指標生物評估宜蘭河水質的研究 |
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作 者 | 李元陞; 鄭雅玲; 林和峰; 林恩慈; 洪文堂; 莊國明; | 書刊名 | 宜蘭農工學報 |
卷 期 | 11 1995.12[民84.12] |
頁 次 | 頁149-161 |
分類號 | 445.213 |
關鍵詞 | 底棲動物; 指標生物; 宜蘭河; Zoobenthos; biotic index; I-lan river; |
語 文 | 中文(Chinese) |
中文摘要 | 河川水質受污染程度的判定,主要是以物理或化學分析方法為主要的水質檢驗項 目。這些水質方法的檢驗,準確度高,但其所得的結果只能表示當時取樣時的水質狀況,而 為法推斷過去及未來河川水質的改變,同時分析需要專業的分析人員,而河川的水、底棲動 物,尤其是底棲動物之所以會在特定水域生存,係受長其水質作用的結果。故本計畫以底棲 動物作為指標生物,利用底棲動物的物種分佈及數量,計算其生物指標值以評估宜蘭河各河 段水質的優劣。以底棲動物為指標生物評估宜蘭河水質的結果顯示,從員山大橋以後的河段 ,水質為略污染,此結果較之以理化分析方法所得的結果--從未受污染到中度污染--更具體 化。此項分類調查的結果,同時有助於了解宜蘭河各河段,底棲動物的物種分佈。再者這些 肉眼可辨視的水生底棲動物可經由宣導而使得大眾認識,以達到全民監測水質的目的。 |
英文摘要 | The major judgement of the contamination level of a river is by using the physical and chemical methods. The water quality analysis can provide a higher accuracy, however, the result can only show the water quality conditions at the sampling time and can not be used to predict a long-term changing of water quality. The analysis should be done by a professional person. The aquatic animals, specially the zoobenthos which can survive in the certain area of river is the result of a long-term water quality. In the project, zoobenthos of the river is used as the biology index to evaluate the water quality of the I-Lan river. By using the species distribution and the quantitive of zoobenthos to calculate the value of biology index. The evaluation result shows that the water quality of I-Lan river after Yuan-Shan Bridge belongs to light-pollutant. It is more concrete than the result of physicalchemical analysis methods which shows from the non-pollutant to middle pollutant. The species investigation result is helpful to realize the distribution of zoobethos in I-Lan river. At the same time, these recognizable zoobenthos can be known by the public by propagation and the purpose of public monitoring water quality can be achieved. |
本系統中英文摘要資訊取自各篇刊載內容。