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題 名 | 太魯閣國家公園三棧溪流域常綠闊葉林植群生態之研究=Study on the Vegetation Ecology of Evergreen Broad-Leaved Forest in the Basin of Sanchan Stream of Taroko National Park |
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作 者 | 周富三; 楊智凱; 廖俊奎; 陳添財; 楊遠波; | 書刊名 | 國家公園學報 |
卷 期 | 16:2 民95.12 |
頁 次 | 頁113-129 |
分類號 | 374 |
關鍵詞 | 太魯閣國家公園; 三棧溪流域; 常綠闊葉林; 植群生態; Taroko national park; Sanchan stream; Evergreen broad-leaved forest; Vegetation ecology; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究計劃之目的是調查太魯閣國家公園三棧溪流域常綠闊葉林之植被類型,並以多變數分析法找出各植群型與環境因子的關係。依據形相及植物組成均質的各林分,共設置 44 個樣區,每一個樣區是由 4 個 10 公尺 × 10 公尺的小區組成。記錄樣區的位置、海拔高、坡度、坡向、土壤含石率、岩石地比例、微地形狀況等 7 項環境因子,出現在樣區中且胸高直徑 1 公分以上的木本植物名稱,並量其胸高直徑,此外,也記錄地被層的植物名稱,並估計其覆蓋度。使用降趨對應分析法來呈現 44 個樣區在空間上的分布情形,並與 7 項環境因子求相關;植被型之分類則採用雙向指標種分析法及列表比較法。結果顯示本研究地區之植物組成與植被類型之空間分布與海拔高及微地形狀況呈顯著的相關性。植被型之分類可分成 3 個林型及7個亞型,分別為A.九芎-大葉楠林型:A1.大香葉樹亞型、A2.烏心石亞型、A3.山龍眼亞型;B.薯豆-錐果櫟林型:B1.黃杞亞型、B2.星刺栲亞型、B3.西施花亞型、B4.台灣灰木亞型;C.玉山木薑子-狹葉櫟林型。 |
英文摘要 | In order to understand the plant resources of the basin in Sanchan Stream of Taroko National Park, this study is to establish a data base of vegetation types of evergreen broad-leaved forest and vegetation changes along the environmental gradients by using a gradient analysis. According to physiognomy and plant composition of homogenous stands, 44 quadrates were sampled in the area. Each quadrate is composed of four 10 m × 10 m subquadrates. Seven environmental factors including plot location, altitude, slope, aspect, stoneness, rock proportion and microtopography were recorded. All woody plants with DBH ≥ 1cm present in the quadrates were identified, and their DBH were measured. In addition, ground layer species were also identified and estimated by their coverage. Detrended correspondence analysis (DCA) was applied to the ordination analysis, to clarify the spatial variation of the 44 quadrates and search the relationship with 7 environmental variables. Classification of the vegetation types was conducted by the two way indicator species analysis (TWINSPAN) and tabular comparison method. The results obtained from the analysis are that the distribution of vegetation types is obvious and sensitive to the elevation and microtopography and the floristic classification distinguishes 3 primary types and 7 subtypes: A. Lagerstroemia subcostata - Machilus kusanoi type (including A1. Lindera megaphylla subtype, A2. Michelia compressa subtype, A3. Helicia formosana subtype), B. Elaeocarpus japonicus - Cyclobalanopsis longinux type (including B1. Engelhardia roxburghiana subtype, B2. Castanopsis fabri subtype, B3. Rhododendron leptosanthum subtype, B4. Symplocos formosana subtype) and C. Litsea morrisonensis - Cyclobalanopsis stenophylloides type. |
本系統中英文摘要資訊取自各篇刊載內容。