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題 名 | 臺灣高山森林土壤研究的近況=Alpine Forest Soil Study in Taiwan |
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作 者 | 王明光; 蔣先覺; 白創文; 金恒鑣; | 書刊名 | 土壤與環境 |
卷 期 | 3:1 2000.03[民89.03] |
頁 次 | 頁43-48 |
分類號 | 436.193 |
關鍵詞 | 臺灣; 森林土壤; |
語 文 | 中文(Chinese) |
中文摘要 | 本文僅就這二三十年來森林土壤的研究做一總結。在高山森林土壤地區(海拔約2000公尺)之濕泠環境森林土壤的B化育層(或薄膠層)普遍均含有鋁一取代的纖鐵礦及針鐵礦,以及鋁-夾層水化蛭石,而A、E化育層並沒有檢測出鐵鋁之氧化物存在,但含有一般性的蛭石。蓮華池地區鐵結核的研究僅含有少量的錳,結核的內部含有針鐵礦及赤鐵礦,而外部則以針鐵礦為主。台灣森林土壤的分類一般以淋澱土、極育土、弱育土及新成土居多。而在大部分森林土壤的硫酸根吸附與氧化鐵、鋁有密切關係,不同地區土壤有不同緩衝酸降的能力及吸附硫酸根的機制。 |
英文摘要 | The objective of this article was summarized the past 2 or 3 decades research in forest soils. Hydroxy-interlayered vermiculite, (HIV), Al-subsitituted goethite and lepodococite were very common present in the B horizon (at elevation about 2000M) in alpine forest soils of udic soil environments. Al and Fe-oxides were not detective in the Al and Fe-oxides were not detective in the A and E horizons due to intensive leaching and high organic C contents. Most forest soils of Taiwan classified as Spodosols, Inceptisols, Ultisols and Entisols. The major clay mineral was vermiculite in the A and E horizons. The iron nodules in the Lien-Hua-Chi forest contained small amounts of Mn, and the inner hard core of nodules is hematite. However, goethite was present in the outer layer of iron nodules. In most forest soils, the free sesquioxides contents were the key factor in sorption of sulfate. The buffer ability of various soil included various mechanisms of sulfate adsorption. |
本系統中英文摘要資訊取自各篇刊載內容。