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題 名 | 六種固有景觀樹種苗木之耐蔭性研究 |
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作 者 | 郭耀綸; | 書刊名 | 技術學刊 |
卷 期 | 10:1 1995.03[民84.03] |
頁 次 | 頁103-109 |
分類號 | 436.253 |
關鍵詞 | 耐蔭性; 光量; 生物量; 葉面積; Shade tolerant ability; Light intensity; Biomass; Leaf area; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究將六種台灣南部固有景觀樹種一年生苗木置於相對光量10%,35%及65%三種遮蔭網下,另一處理在無遮蔭空地,藉比較其生長差異來判斷各樹種苗木之耐蔭能力。經六個月試驗,發現大葉楠、蓮葉桐及鐵冬青為耐蔭性良好的樹種,香楠在65%相對光量生長最優,小葉赤蘭適應光量的範圍廣,在四種光量下的生長並無顯著差異,台灣赤蘭在低光量下生長不良,為中度非耐蔭性樹種。苗木之葉重、地上部乾重及樹冠投影面積對不同光量反應敏感,可做為判斷各樹種苗木耐蔭性之指標。 |
英文摘要 | Six landscape tree species were situated under four light regimes, 10%, 35%, 65%, and 100%, respectively. Growth differences among the various light levels were compared to indicate their shade tolerant ability. After six months, Machilus kusanoi, Hemandia sonora, and Ilex rotunda were found to have good shade tolerant ability. M. zuihoensis showed the best growth performance under 65% of relative light. Syzygium buxifolium had no significant growth differences among the four light regimes. S. formosanum grew poorly under low light intensity and was then classifiedas shade intolerant species. Leaf dry weight 、above ground dry weight and crown projected area of seedlings were found to be sensitive to various light intensity, which might serve as indices of shade tolerance of tree seedlings. |
本系統中英文摘要資訊取自各篇刊載內容。