頁籤選單縮合
題 名 | 土砂扞止保安林潛在環境敏感區分析=Evaluation of Environmental Sensitivity Areas for Soil Conservation Protection Forest |
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作 者 | 李國忠; 林俊成; 林從猷; | 書刊名 | 國立臺灣大學農學院實驗林研究報告 |
卷 期 | 13:4=226 1999.12[民88.12] |
頁 次 | 頁257-264 |
分類號 | 436.289 |
關鍵詞 | 土砂扞止保安林; 環境敏感區; Soil conservation protection forest; Environment sensitivity area; |
語 文 | 中文(Chinese) |
中文摘要 | 保安林制度自1901年施行以來,根據林業統計(1996年)資料顯示,全省保安林面積共455,352ha,佔森林面積之24.42%。由於時空變遷及社會經濟、政治環境變化,保安林是否能夠確實發揮功效,存有相當大的爭議。本研究應用潛在環境敏感區劃設評估指標,以臺東縣一處土砂扞止保安林為對象,依保安林所屬區域內之地形及地質環境特性,分別加以評定等級,以劃設出不同環境敏感區。結果顯示:屬極高及高環境敏感區者共佔該保安林總面積之56.0%,此區規劃為土砂扞止保安林確有其必要性,建議對其區內之違法墾植部分予以加強收回造林。 |
英文摘要 | According to the statistic data of Taiwan Forestry Bureau in 1996, the total area span of the protection forest has grown into 455,252 ha, 24.42% of total forest land in Taiwan. Owing to the changes of space-time, domestic economy, political environment, it is disputable that the protection forest could work out efficiently. This study has identified various levels of environmental sensitivity area of a soil conservation protection forest of Taitung country with the estimation of environmental sensitivity. The results show that it is necessary to include this area into the soil conservation protection forest program, as its very high and high risk environmental sensitivity zone reaches 56% of the whole protection forest. Afforesting should be reinforced by taking back from the illegal cultivators under the consideration of using the land resource efficiently. |
本系統中英文摘要資訊取自各篇刊載內容。