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題 名 | 塔塔加地區森林火災對松類造林地土壤化學性質的影響=The Soil Characteristics of Pine Plantation after Fire in Ta-Ta-Chia Area, Taiwan |
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作 者 | 王亞男; 姜家華; 楊美玲; 詹明勳; | 書刊名 | 中華林學季刊 |
卷 期 | 32:3=126 1999.09[民88.09] |
頁 次 | 頁323-331 |
分類號 | 436.193 |
關鍵詞 | 森林火災; 土壤性質; 臺灣二葉松; 華山松; Forest fire; Soil property; Pinus armandii var masteriana; Pinus taiwanensis; |
語 文 | 中文(Chinese) |
中文摘要 | 林務局阿里山事業區第24及25林班塔塔加地區,於1993年1月發生森林火災,本試驗自1996年3月至1998年3月在火災發生地區設置樣區與對照區採取土壤樣本,分析有機質、酸鹼值(pH)、交換性陽離子(鉀、鈣及鎂)、有效性磷及全氮量的變化,以比較火災跡地與對照區土壤的差異。 試驗結果顯示,土壤有機質林火區與對照區差異並不顯著。土壤pH值林火區大於對照區且差異顯著,不同土壤深度pH值之差異則不顯著。交換性陽離子鉀、鈣、鎂及有效性磷在3個不同年度差異顯著,由1996年至1998年有增加的趨勢;且在林火區與對照區之間差異顯著,除了有效性磷是林火區大於對照區外,其他是對照區大於林火區;並且有隨著土壤深度增加含量有漸減的趨勢,且各層次差異顯著。土壤全氮量在林火區與對照區間差異顯著,對照區明顯大於林火區;且不同3個年度差異顯著,由1996年至1998年有增加的趨勢,並且有隨著土壤深度增加全氮含量有漸減的趨勢,且各層次差異顯著。 |
英文摘要 | In January 1993, a forest fire occurred at the Ali-Shan working circles 24 and 25 of the Taiwan Forest Bureau in Ta-Ta-Chia area, Taiwan. Soil organic matter, pH, total nitrogen and exchangeable cations were monitored from March 1996 to March 1998 at the burned site and nearby unburned site for comparison. Soil organic matter content of the burned site was lower than that of the unburned site, but the difference was not significant. The soil pH of the burned site was significantly higher than the unburned site, however, it was not significantly differnet at different soil depth. The exchangeable cations (K, Ca, Mg) and available phosphorus were all significantly increased from 1996 to 1998. In cxomparison to the unburned site; available phosphorus was larger and the exchangeable cation were lower at the burned site. There was a decreasing trendency for exchangeable cation contents and available phosphorus concentrations with the increasing of soil depth. Total nitrogen was significantly higher at the unburned site than the burned site. Both sites also showed a significant increasing of total nitrogen from 1996 to 1998, and a significant decreasing with the soil depth. |
本系統中英文摘要資訊取自各篇刊載內容。