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題名:崩塌地植生復育適用評估因子之分析研究     (24點)
Research on Eva1uating Factors for Vegetation Restoration of Landslide Area
著者:陳志豪(Zhi-Hao Chen) ;鄭旭涵(Jero-Hertz Jeng) ;彭心燕(Hsin-Yen Peng) ;林信輝(Shin-Hwei Lin)
出版地區:台灣
出版城市:台北市
學科:地球科學
關鍵字:植生 ; 評估指標 ; 崩塌 ; 坡地 ; 復育 ; vegetation ; evaluating factors ; landslide ; restoration
刊名:中華水土保持學報
卷期:41卷4期(2010.12)
頁碼:296-307
語言:繁體中文
摘要: 中文摘要PDF ; 英文摘要PDF

近年處理坡地崩塌問題,常採用植生工程之方式以達穩定邊坡的功效,然而坡地植 生的生長情況尚無具體量化的標準,以致不易客觀評估坡地植生復育成效。實此, 本研究於石 門水庫集水區以及臺中雙崎崩塌地,共選擇43 處坡地, 設置70 個植物樣區進行調查,並以 列表比較法進行植被類型之分類,採用降趨對應分析( DCA ) 將樣區依物麗組成進行排序,藉 由降趨對應分析之樣區排序結果,將樣區分布之第1 及第2 序列軸與植生調查因子進行皮爾森 相關性檢定,找出具,鑑別不同植物社會能力之因子作為評估指標。坡地植生分析結果將植物社 會分類為初期向陽森林、初期背陽森林、過渡時期草生地、人工噴植草生植被以及拓殖期草生 地,並分別找出其指標植物種群。植生指標篩選出5 類適用之項目,共含括11 個評估因子, 分別為(1)覆蓋度指標包含綠覆蓋、木本植物覆蓋度、地被植物覆蓋度及層次累計覆蓋度; (2) 物種多樣性: 包含植生種數以及辛浦森指數; (3)原生種比例:包含樣區原生種覆蓋度以及原生 種相對覆蓋度; (4)植物層次:植物社會層次; (5)演替序列:包含演替階段以及演替度,用以建 置完整與簡易評估表格。依據完整或簡易評估方式將植生現況分類為不理想、尚可、次理想以 及最理想之等級。評估結果「最理想」與「次理想」等級的植生多為自然演替或以木本植物噴 植工法處理之地區,多已恢復至森林狀態I 尚可」與「不理想」等級之植生,多為地被裸露 程度較高,或具外來種等議題的植被狀態。
In recent ye盯s , many landslide areas have undergone vegetation projects for slope stabilization and restoration. However, it is not easy to objectively estimate the effects of vegetation restoration on a slopeland without proper quantitative criteria. This study selected 43 cases from Shihmen Reservoir Watershed and Shuangchi, setting up 70 vegetation plots and survey. Data from the vegetation plots were analyzed by tabular comparison and detrended correspondence analysis (DCA) to find the indicator species of vegetation and select the criteria for the revegetation effects. According to the results of tabular comparison, 70 plots can be classified into five vegetation types: (1) primary forest on sunny slope. (2) primary forest on shady slope. (3) transitional grassland. (4) artificial grassland. (5) colonizing grassland. Indicator species groups were also found from each vegetation type. There are 11 factors significant1y related to 位is 1 or axis 2 of the DCA results. These can be divided into five categories: (1) coverage indicator, including total vegetation coverage, woody plant coverage, underst。可T coverage, and sum of each vegetation layer coverage. (2) Species diversi妙, including the number of plant species and Simpson's index of diversity. (3) ratio of native plants, including native plant coverage and the relative coverage of native plants in each plot. (4) number of vegetation layers (structure layers of plant community). (5) succession serel, including the succession stage and the degree of succession(DS) . This study also established a complete criteria table with 11 factors and a simple criteria table with five factors (each one represents a category) to estimate the effects of the vegetation restoration. Using a criteria table, we classified the vegetation into bad, acceptable, good, and perfect levels. According to the data from the 70 plots, good and perfect level plots were usually treated by spraying with woody plant seeds or natural succession. Bad and acceptable level plots were usually exposed and covered with exotic species.


    

本卷期目次
中華水土保持學報 41卷4期 (2010.12)
淺層地滑發生機率之研究--以大粗坑集水區為例/ 何瑞益李光敦
崩塌地植生復育適用評估因子之分析研究/ 陳志豪鄭旭涵彭心燕林信輝
七家灣溪集水區之漂流木基本特性及空間分佈狀態/ 陳樹群趙益群
應用IDRISI遙測影像程式於地滑地變遷之研析/ 劉家宏馮正一楊明德黃志彰
莫拉克颱風引致吉露部落崩塌之案例研究/ 鍾明劍譚志豪王金山冀樹勇蘇泰維
以FLUENT三維模擬檢核馬鞍壩魚道本體之流場適合度/ 許少華劉建榮葉治宏
彰化海岸地區潮間帶之生態調查與評估/ 馮正一蔣忠廷莊育蓁林信輝劉敏梧徐瑞宏
溪頭地區激發土石流災害臨界降雨量之研究/ 張振生魏聰輝賴彥任陳信雄
 
   
 
   

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