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題 名 | 恆春半島佳樂水瀑布上游溪岸之森林植群分析=Analysis of Forest Vegetation on the Riparian Zone of Jia-Low-Shoei Water Fall Upper Stream in Hengchun Peninsula |
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作 者 | 張焜標; 張耀聰; | 書刊名 | 國立屏東科技大學學報 |
卷 期 | 9:1 2000.03[民89.03] |
頁 次 | 頁9-19 |
分類號 | 436.12 |
關鍵詞 | 佳樂水瀑布; 溪岸植群生態; 列表比較法; 降趨對應分析; Jia-Low-Shoei water fall; Riparian zone vegetation; Tabular rearrangement; Detrended correspondance analysis; |
語 文 | 中文(Chinese) |
中文摘要 | 佳樂水瀑布位於屏東縣滿州鄉佳樂水海岸風景區內,其上游發源地為豬老束山支 脈,海拔高度由55m上升至310m。本區年平均溫度23℃,雨量集中在5月-10月,年平均 雨量為2,430mm,屬熱帶夏雨型氣候。 本研究共調查7個樣區,總計183種植物,其中木本植物佔97種。經評估11項環境因 子後,以降趨對應分析及列表比較法加以分析,將研究區植群分為兩大型:A.水冬瓜、咬人 狗—筆筒樹型;B.蚊母樹型。再藉由降趨對應分析及相關、顯著性測驗,找出主要的環境梯 度軸及影響植群分布的重要因子為海拔高度。主要樹種之族群結構分析,顯示水冬瓜、咬人 狗—筆筒樹型大部份優勢樹種呈鐘型分布,顯示該植群正處於漸衰退狀態。蚊母樹型主要樹 種皆為反J型,其更新能力良好。 本文除說明各林型之主要組成植物與環境之關係外,並列出研究區域之植物名錄,舉出 樣區內稀有植物24科28種,以供日後學者研究之參考。 |
英文摘要 | Jia-Low-Shoei Water fall is located within Jia-Low-Shoei sea zone scenic area , Ma-chou Hsiang , Pingtung County. Its upper stream originates in the Zu Lau Mountain region. The elevation ranges from 55 to 310 meters. The annual average temperature is 23℃. The annual precipitation is 2,430 mm and concentrated between May and October. The area of study belongs to the typical tropical summer rain climate. The study was to evaluate the environmental effects upon 183 species, 11 environmental factors were observed within 7 stands. The major gradient of the communities variation was revealed by Detrended correspondance analysis (DCA) and Cormat Program to test the significance of environmental factors. Tabular rearrangement of the primary data matrix was conducted on the ordination score of DCA. The vegetation on the riparion zone was divided into two types: A. Saurauia oldhamii, Laportea pterostigma-Sphaeropteris lepifera type. B. Distylium racemosum type. It was found that altitude is the most significant factor affecting plant distribution and vegetation differentiation. The population structures of the most dominant of type A were bell-shaped. The bell-shaped population structures revealed that the vegetation is downward in succession. The population structures of the most dominant of type B were reversal J-shaped. Such reversal J-shaped structures revealed the vegetation has a good ability of regeneration. Besides explaining the relationships between the major structures and environmental factors, the article also lists 24 families and 28 species of rare plants for future study and reference. |
本系統中英文摘要資訊取自各篇刊載內容。