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題名 | 溪頭地區七種林相之地被物與土壤物理化學性質調查=Ground Covers and Soil Physical and Chemical Properties in Seven Forest Stands of Chitou |
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作者 | 江凱楹; 陳子浩; 王亞男; 劉興旺; | 書刊名 | 國立臺灣大學農學院實驗林研究報告 |
卷期 | 16:1=235 2002.03[民91.03] |
頁次 | 頁37-44 |
分類號 | 436.12 |
關鍵詞 | 溪頭; 土壤基本性質; 柳杉林; 臺灣杉林; 紅檜林; 銀杏林; 孟宗竹林; 地被物; Chamaecyparis formosensis; Chitou; Cryptomeria japonica; Ginkgo biloba; Ground cover; Phyllostachys pubescens; Soil properties; Taiwanina cryptomeriodes; |
語文 | 中文(Chinese) |
中文摘要 | 本實驗在臺灣大學實驗林溪頭營林區,擇取七種林相,包括柳杉林、臺灣杉林、紅檜林、銀杏林、孟宗竹林、天然闊葉林與柳杉林相改良地。在七個林相鞏各取三個樣點,於1998年2月22日與1998年3月15日,各採樣乙次,並調查林地狀況,包括鬱閉度、樹高、地被層高、地被植群調查紀錄。土壤採回後風乾保存,並進行土壤質地、容重、pH值、有機質、全氦量、無機態氣(銨態與硝態)、有效磷與可交換性鉀、鈣與銓等分析。地被植物的覆蓋率相當高,在不同林相下其優勢族群並不相同。不同林相下,土壤性質有些微差異。 |
英文摘要 | The study site is located at Chitou in the Experimental Forest, National Taiwan University. Seven forest stypes, including pure stands of Cryptomeria japonica, Taiwania cryptomeriodes, Chamaecyparis formosensis, Ginkgo biloba, Phyllostachys pubescens, the natural forest and the improvement forest were selected for this study. Three samples were randomly collected in each forest type. On February 22rd and March 15th, 1998, we took soil samples and investigated vegetation distribution, including canopy closure percentage, tree and vegetation heights, and ground vegetation species. Soil samples were air dried and analyzed for soil texture, bulk density, pH, organic matter, total nitrogen, inorganic nitrogen (ammonium and nitrate), available phosphorus, and exchangeable potassium, calcium and magnesium. There is high coverage in the ground cover, but the dominant species differ. Soil properties also differed slightly between forest stands. |
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