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題 名 | 恆春熱帶植物園步道兩側植群及土壤的受害調查 |
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作 者 | 林國銓; 邱文良; 施炳霖; | 書刊名 | 林業試驗所研究報告季刊 |
卷 期 | 6:4 1991.12[民80.12] |
頁 次 | 頁357-365 |
分類號 | 436.3 |
關鍵詞 | 土壤; 恆春; 植物園; 植群; 熱帶; |
語 文 | 中文(Chinese) |
中文摘要 | 恆春熱帶植物園開放供遊憩使用已超過20年,其步道兩側之樹木較近 步道者受害嚴重,如:有根系暴露現象者,在1公尺以內達50%以上,具有刮痕 者約佔80%。各樹種中以白雞油根系暴露最嚴重;棍棒椰子、白榕等具最多刮痕。 至於地被植物及土壤受踐踏為害,亦有相似的結果。在距步道0公尺處,覆蓋度 減少46.2%,土壤裸露達22.8%,土壤抗穿透強度增加為163%。可見步道兩側 土壤及植物已受到嚴重的衝擊。建議加強解說教育和標示,以及改善經營管理, 希望能減少衝擊的持續發生。 |
英文摘要 | Recreation activities can have different degrees of impacts on the natural environment. Among the various environmental factors, the changes of vegetation and soil are usually selected to indicate the damage of natural ecosystem, because the disturbance of vegetation and soil not only changes the landscape of recreational areas, but also affects its natural environment. Heng-Chun tropical botanical garden has been opened to recreational use for more than twenty years. The trees along trailsides in the garden were changed more with the trees closer to the trail. Over 50% of the trees within 1 m along trailsides have exposed roots and approximately 80% have scars on their trunks. Among tree species damaged by root exposure, Fraxinus formosana Hayata was the worst, while Hyophorbe verschaffelti Wendl. and Ficus benjamina L. suffered the most by scars. Furthermore, the damages of vegetation and soil by trampling were also worse as the distance is closer to the trail. At 0 m along the trailsides the coverages of ground cover plants reduced to 46.2%, while soil exposure reached 22.8% and penetration resistance increased to 163%. These figures indicate the soil and vegetation along the trailsides in Heng-Chun tropical botanical garden were severely changed. To prevent the changes getting worse, it is suggested that more facilities for visitor education and interpretation be provided and some management actions of the Garden be improved. |
本系統中英文摘要資訊取自各篇刊載內容。