查詢結果分析
來源資料
頁籤選單縮合
題 名 | 達觀山自然保護區植群之研究=Studies on the Vegetation of Dakuanshan Nature Reserve |
---|---|
作 者 | 呂金誠; 歐辰雄; 張美瓊; | 書刊名 | 水土保持學報 |
卷 期 | 30:2 1998.06[民87.06] |
頁 次 | 頁89-118 |
分類號 | 436.12 |
關鍵詞 | 達觀山自然保護區; 植群調查; 紅檜; Dakuanshan nature reserve; Vegetation investigation; Taiwan red cypress; |
語 文 | 中文(Chinese) |
中文摘要 | 在研究旨在探討達觀山自然保護區之植物社會組成。經調查21個樣區共記錄植物 種類 376 種,包括種子植物 304 種及蕨類植物 72 種。 地上植物達 75.01%,蕨類商數為 5.98。 根據群團分析結果, 可將植群分為以下 7 型:1. 霧社木薑子-臺灣水絲梨型,2. 反刺櫧-小花鼠刺型,3. 木荷-卡氏櫧型,4. 紅檜-西施花型, 5. 臺灣扁柏-臺灣杜鵑 型,6. 毽子櫟-雲葉型,及 7. 森氏櫟-白花八角型。 經環境因子分析之結果顯示: 植群型之分化與海拔高、土壤 pH 值及太陽輻射相關。 有 2 群植物群內之種間呈正相關,而群間則呈負相關,顯示本區為一不均質之植物社會。各植群 型之新浦森指數在 0.83 ∼ 0.95 之間,顯示本區為一較穩定之植物社會。 對 22 株紅檜巨木現況之調查結果顯示,2 株巨木因自然因素已死亡,1 株因遊客引火樹勢 受到影響,另有 7 株遭明顯之摩擦傷害;而巨木根部之土壤裸露平均達 38.5%。 |
英文摘要 | The objective of this study is to investigate plant species and vegetation of Dakuanshan Nature Reserve. There were 376 species found at 21sample plots, including 304 species of spermatophyte and 72 species of pteridophytes. The phanerophyte is 75.01%; the pteridophyte-quotient is 5.98, as shown in the life form analysis. Seven types of habitat were identified and succession in the plant community by matrix cluster analysis: (1) Litsea elongata var. mushaensis-Sycopsis sinensis Type, (2) Castanopsis eyrei-Itea parviflora Type, (3) Schima superba var. superba-Castanopsis carlesii Type, (4) Chamaecyparis formosensis-pasania brevicaudata Type, (5) Chamaecyparis obtusa var. formosana-Rhododendron formosanum Type, (6) Cyclobalanopsis sessilifolia-Trochodendron aralioides Type, and (7) Cyclobalanopsis morii-Illicium tashiroi Type. The results of correlation test indicate that altitude, pH value of soil, slope and solar radiation are useful in vegetation differentiation. It shows that the vegetation within the study area can be divided into two groups by interspecies association. As shown in the population structure and species diversity analysis that vegetation is situated in the more stable stage. |
本系統中英文摘要資訊取自各篇刊載內容。