火灾迹地台湾二叶松与栓皮栎叶片之分解 - National Taiwan University.PDFVIP

中華林學季刊 － （ ） － － (Quarterly Journal of Chinese Forestry) 42(1):57 73 2009 57 火災跡地台灣二葉松與栓皮櫟葉片之分解 1 2 3 藍佩芬 王亞男 王明光 （收件日期：民國96 年 11 月 29 日、接受日期：民國97 年 12 月 31 日） 【摘要】本研究選擇勝光地區火災跡地中人工林內兩種主要樹種台灣二葉松（Pinus taiwanensis ）與栓皮櫟（Quercus variabilis Blume ），利用枝葉包法研究野外葉片分解及 養分的動態變化，同時進行實驗室的試驗研究不同溫度、水分及土壤對栓皮櫟及台灣二 葉松葉片分解之影響。結果顯示，樣區中所選取之三個樣點在土壤基本理化性質上有些 許的差異，栓皮櫟分解速率快於台灣二葉松；埋入土壤後的分解速率則快於置於地表的 處理方式；而實驗室的分解試驗則顯示，栓皮櫟與台灣二葉松在高溫、25%的水分之下 分解速率較高。 【關鍵詞】葉片分解、台灣二葉松、栓皮櫟 FOLIAGE DECOMPOSITION OF PINUS TAIWANENSIS AND QUERCUS VARIABILIS AT POST-FIRE REGION 1 2 3 Pei-Fen Lan Ya-Nan Wang Ming-Kuang Wang （Received: November 29, 2007; Accepted: December 31, 2008 ） 【Abstract 】This study was aimed to investigate the decompositions and nutrient dynamics of the leaves of cork oaks (Quercus variabililis Blume) and Taiwan red pines (Pinus taiwanenis Hayata) in a burned site using the litterbag method. The impacts of incubation temperature, soil moisture and type of leaves decomposition were simultaneously conducted in the labora- tory. Soil physicochemical properties differed from the selected sites indicated that oak leaves decomposed rate was faster than that of pine leaves. Leaves decomposed quickly when sam- ples buried in the soils. Laboratory incubation showed that high temperature and 25% of soil moisture enhanced decomposition rate of oak and pine leaves. 【Key words 】 Leaves decomposition, Pinus taiwanensis, Quercus variablilis 1 國立台灣大學森林環境暨資源學系碩士。 Master, School of Forestry and Resource Conservation,