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題 名 | 臺大實驗林溪頭營林區木製格框擋土牆於植生復育之初步研究=Preliminary Study on the Wooden Crib Retaining Wall Applied on the Vegetation Recovery at Xitou Tract, National Taiwan University Experimental Forest |
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作 者 | 衛強; 黃憶汝; 李金玲; 簡沂如; 林法勤; | 書刊名 | 國立臺灣大學生物資源暨農學院實驗林研究報告 |
卷 期 | 24:1=267 2010.03[民99.03] |
頁 次 | 頁17-30 |
分類號 | 434.273 |
關鍵詞 | 木製格框擋土牆; 植生復育; 群團分析法; 降趨對應分析; 典型對應分析法; Wooden crib retaining wall; Vegetation recovery; Matrix cluster analysis; MCA; Detrended correspondence analysis; DCA; Canonical correspondence analysis; CCA; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究針對臺大實驗林溪頭營林區之溪頭自然教育園區於九二一震災及桃芝風災後復建工程中道路上邊坡所建造之木製格框擋土牆之植生復育效益進行初步之分析。研究於2009年2月與9月乾濕季分別於園內五個木製格框擋土牆調查其植生種類,由覆蓋度、頻度求得之植物重要值指數,並透過群團分析法(MCA)、降趨對應分析法(DCA)及典型對應分析法(CCA)及瞭解位於不同海拔、方位、坡度、土壤含水率及木材含水率等環境因子下其植生演替之相互關係。研究結果顯示經過六年多之時間,五處樣區之木製格框擋土牆其結構仍維持良好之狀態,植被復育良好,植生種類數與海拔、坡向、土壤含水率、木材含水率呈現不同程度之相關。此外擋土牆本身因設置地點之差異,儘管使用相同之材料,其植生種類仍然有所區別,同時乾濕季之變化明顯,而土壤含水率及木材橫材含水率無論在乾季或濕季均為影響植生組成之重要因子。 |
英文摘要 | This study aims on the benefits of vegetation recovery for the wooden crib retaining walls on the hillslope area in Xitou Recreational Park after the Ji-Ji Earthquake and Typhoon Toraji. The vegetation investigation including coverage, frequency was made on February and September 2009 for the dry and wet season at five sites of wooden crib retaining wall to compute the Important Value Index (IVI). The IVI will be further be used to be analyzed the relationship of vegetation succession under the different environmental factors like elevation, aspect, slope soil water content by Matrix Cluster Analysis (MCA), Detrended Correspondence Analysis (DCA) and Canonical Correspondence Analysis (CCA). The preliminary results show the wooden crib retaining wall remains intact after six years and with good vegetation recovery; there exists different relationships between elevation, aspect, soil moisture and log moisture content. The result also shows different types of vegetation and significant variation between dry and wet season even the wooden crib retaining wall built with the same material. The soil moisture content and transverse log moisture content are two important factors dominating the composition of vegetation both in dry and wet season. |
本系統中英文摘要資訊取自各篇刊載內容。