頁籤選單縮合
題 名 | 棲蘭山地區植群之研究=Study on Vegetation Classification in Chi-Lan Shan |
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作 者 | 魏瑞廷; 陳子英; | 書刊名 | 國立臺灣大學生物資源暨農學院實驗林研究報告 |
卷 期 | 21:2=256 2007.06[民96.06] |
頁 次 | 頁133-145 |
分類號 | 371.514 |
關鍵詞 | 棲蘭山; 植群型; 典型對應分析法; 降趨對應分析法; 雙向指標分析法; Chi-Lan Shan; Vegetation type; Detrended correspondence analysis; Canonical correspondence analysis; Two-way indicator species analysis; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究將棲蘭山地區早期設置的61個樣區,所記錄木本植物171種及7項環境因子。經降趨對應分析與雙向指標種分析,並依據特徵種群將植群分為6 型,分別為Ⅰ、台灣鐵杉-台灣扁柏型,Ⅱ、台灣杜鵑-台灣扁柏型,Ⅲ、西施花-台灣扁柏型,Ⅳ、木荷-台灣扁柏型,Ⅴ、長葉木薑子-紅檜型,Ⅵ、豬腳楠-紅檜型;此外經典型對應分析法探討植群與環境間的關係,影響植群分化最重要的因子為海拔、地形位置、含石率、全天光空域及直射光空域。文中除對過去的植群研究做比較外,同時也發現160林道與170林道集水區有大面積的老熟林與孓遺之稀有植物,並針對此區域是否具生態價值,應積極設置保護區系統等進行探討。 |
英文摘要 | This study integrated the previously established 61 research plots in Chi-Lan Shan, with their recorded 171 wood species and 7 environmental variables, by using the Detrended Correspondence Analysis (DCA) and Two-Way Indicator SPecies Analysis (TWINSPAN). According to the character species grouping, vegetations were classified into the following six types: Ⅰ. Tsuga chinensis var. formosana-Chamaecyparis obtusa var. formosana type Ⅱ. Rhododendron formosanum-Chamaecyparis obtusa var. formosana type Ⅲ. Rhododendron leptosanthum - Chamaecyparis obtusa var. formosana type Ⅳ. Schima superba-Chamaecyparis obtusa var. formosana type Ⅴ. Litsea acuminata-Chamaecyparis formosensis type Ⅵ. Machilus thunbergii-Chamaecyparis formosensis type The relationship between vegetation and environmental variables were analyzed by Canonical Correspondence Analysis (CCA). The analysis revealed that the main factors controlling the vegetation differentiation were altitude, topographic position, stoniness, whole light sky space and direct light sky space. In addition to comparison with the previous vegetation researches, large area of old forests and rare species existing in the watersheds of forest road 160 and 170 had been discovered. Therefore, whether the area possess ecological value and the necessity to be designated as a protected area had been discussed. |
本系統中英文摘要資訊取自各篇刊載內容。