頁籤選單縮合
題 名 | 溪流生態工法之規劃--以霧社溪為例=Planning of Ecological Engineering in the Creek--Wushe Creek as a Case Study |
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作 者 | 柳文成; 胡通哲; 謝文雄; | 書刊名 | 聯合學報 |
卷 期 | 24 民93.06 |
頁 次 | 頁73-104 |
分類號 | 443.64 |
關鍵詞 | 生態工法; 適合度曲線; 可用棲地面積; 基流量; Ecological engineering; Habitat suitability curve; Weighted usable area; Ecological instream flow; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究乃以魚類適合度曲線(HSC)進行可用棲地面積(WUA)的模擬,藉以霧社溪之推估生態基流量;以水理模式HEC-RAS模擬霧社溪水面剖線,並配合水文分析,計算計畫洪水量的水面剖線,作為高水護岸高度的設計標準,以水理分析的結果進行護岸之安全性分析。此外,亦探討中、上游的溪流整治、魚類棲地與生態廊道等問題,建立水中生物無障礙生存空間之規劃設計,以供集水區後續研究的參考。 本研究分析顯示,霧社溪未發現河海間洄游的魚、蝦、蟹類,足見霧社水壩對生態的影響是存在的,本研究亦建議適當的魚道設計方式,提供參考。除此之外,霧社溪多數河段保持自然狀態,人為不應加以干涉,對於生態工法的規劃,應優先改善春陽附近的混凝土堤岸,考慮到魚類、兩棲類的特性與安全性,規劃以保留原護岸及植岩互層工法為主。 |
英文摘要 | In this study, the habitat suitability curve (HSC) for fish was used to calculate the weighted usable area (WUA) and to estimate the minimum instream flow in the Wushe Creek. The hydraulic model, HEC-RAS, and hydrological analysis were used to simulate the profiles of water surface during the high flow period. The results will employ to design the riverbank and analyze the shear stress. Besides, the management of the creek in the middle and upstream reaches and the ecological porch for fish habitat will be established. The survival space for the microorganism will be planned. The planning and management will provide the usage of future study in the river basin. The field survey reveals that there are not returning swim between river and sea for fish, shrimp, and crab in the Wushe Creek. The Wushe Reservoir exhibits the impact on the ecology in the Creek. The suitable design for fish way is provided in this study. The most reaches in the Creek retain the natural condition and should not interfere by human beings. For the ecological planning, the concrete embankment near Chun-Yang should be improved immediately. Considering the characteristics of fish and amphibian, the original embankment should be preserved and ecological engineering for plant and rock combined method is suggested to adopt. |
本系統中英文摘要資訊取自各篇刊載內容。