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題 名 | 水土保育考量下的山坡地栽植樹種之選擇 |
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作 者 | 許秀英; | 書刊名 | 宜蘭農工學報 |
卷 期 | 9 1994.12[民83.12] |
頁 次 | 頁43-51 |
分類號 | 434.278 |
關鍵詞 | 山坡地; 土壤流失; 外部成本; 寰宇土壤流失公式; 土壤流失容忍度; Slopland; Soil loss; External costs; Universal soil loss equation; USLE; Soil loss tolerance; |
語 文 | 中文(Chinese) |
中文摘要 | 山坡地不當的使用會造成過度的土壤流失而形成外部成本,而選擇適當的栽植樹 種不僅可減少水土流失,亦為減少外部成本的方法之一。 本研究應用寰宇土壤流失公式於南投林區國有租地造林地的主要栽植樹種,在無水土保育措 施下,得到各樹種的土壤流失量,其中杉木的流失量最少,最適宜栽植,麻竹次佳,而梅樹 、柑橘、茶樹與檳榔則大於土壤流失容忍度,如果要栽植,宜加強其坡地之保育措施。 |
英文摘要 | Inappropriate use of slopeland will overly cause soil loss and form external costs. Selecting suitable tree species to plant is one method of reducing external costs. We applied Universal Soil Loss Equation (USLE) to calculate the soil loss of the major planted tree species for Leased National Forestland in Nantou District. The results show that Cunninghamia lanceolata is the optimal tree species to plant because it produces the least soil loss if there are no conservation practices. The second optimal is Denrdrocalamus latiflorus. But the soil loss of Prunus mume, Citrus tankan, Camellia sinensis and Areca catechu are higher than the tolerance of soil loss, carefully and rigorously conservation practices should be made in this areas if one wants to plant them. |
本系統中英文摘要資訊取自各篇刊載內容。