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題名 | 河川物理棲地評估法在烏溪及濁水溪之應用=Application of Physical River Habitat Assessment Method in Wu River and Chou-Shui River |
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作者 | 陳樹群; 安軒霈; 方琦萱; | 書刊名 | 水土保持學報 |
卷期 | 42:4 2010.12[民99.12] |
頁次 | 頁479-497 |
分類號 | 443.64 |
關鍵詞 | 河川物理棲地; 棲地評估; 烏溪; 濁水溪; Physical river habitat; Habitat assessment; Wu River; Chou-Shui River; |
語文 | 中文(Chinese) |
中文摘要 | 近年台灣遭受多次颱洪災害,造成河川棲地大幅破壞,而在復育的過程中,則需以棲地評 估指標來量化棲地的改變與成效。然而多數棲地評估指標僅說明了棲地的現況,卻不能分辨出 評估結果的差異是來自於河相或人為所造成了。有鑑於此,本研究以台灣河川型態五層分類法 為基礎,提出包含河相與物理棲地的河川物理棲地評估法。本評估法先分析評估河段之河相, 再評估相同河相河段中自然與人為的物理棲地環境。其中自類棲地評估結果做為該河相河段的 自然環境基準,而人為與自然棲地評估結果之差異,則可歸咎於構造物之影響。此外本文以烏 溪與濁水溪為案例,說明河川物理棲地評估法之用法,並分析構造物在不同河相中對棲地影響 的程度。 |
英文摘要 | Taiwan has been hit several times by typhoon and food disasters in recent years, leading to substantial damages in river habitats. In the process of habitat restoration, a habitat assessment index is needed to quantify the change of habitat and effectiveness of restoration engineering. Most indices, however, only show the status of habitat without telling the difference from river morphologies and influences of artificial structures. In view of this, the study proposed the River Physics Habitat Assessment Method, which was based on the River Morphology Five Level Classification Method. In our assessment method, the river morphology should be analyzed before habitat assessment. The assessment results of nature habitats in a reach with same river morphology could be used as habitat standard. Furthermore, the differences between nature and artificial habitats can result in the influenceof artificial structure. In addition, this article explains the influence between structure and habitat in different river morphology, and the procedure of River Physics Habitat Assessment Method with cases of Wu River and Chou-Shui River. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。