Leaf Chlorophyll Content and Surface Spectral Reflectance of Tree Species along a Terrain Gradient in Taiwan's Kenting National Park.

in Sciences Citation Index(SCI), 科學引文索引資料庫(SCI)
標題Leaf Chlorophyll Content and Surface Spectral Reflectance of Tree Species along a Terrain Gradient in Taiwan's Kenting National Park.
出版類型SCI(Sciences Citation Index)
出版年度2007
AuthorsChen, 陳建璋, Chi-Ming Yang 楊棋明, Shou-Tsung Wu 吳守從, Yuh-Lurng Chung 鍾玉龍, Albert Linton Charles 邱亞伯, & Chaur-Tzuhn Chen 陳朝圳
期刊植物學研究
開始頁71
頁數6
出版日期2007 / 1
其他編號0000
中文摘要

This study was conducted to investigate variations of leaf chlorophyll content and surface spectral reflectance of different tree species across contrasting terrain in the Nanjenshan Reserve of Kenting National Park, southern Taiwan. Tree species composition and forest types vary because of intense northeast monsoons that frequent this area. In this study, we used several remote sensing technique indices-normalized difference vegetation index (NDVI), modified normalized difference vegetation index (mNDVI), simple ratio (SR), and modified simple ratio (mSR)-to analyze the spectral reflectance data collected from portable spectroradiometers and the GER 1500 and CM1000 chlorophyll meters to estimate leaf chlorophyll content. The results showed that significant differences (P<0.01) arose only among the modified indices mSR 705 nm and mNDVI 705 nm. The index mNDVI705 seemed more sensitive to detecting chlorophyll content in a wide range of tree species across a terrain. Among the indices tested, the mNDVI consistently deviated from the general relationship between chlorophyll content and spectral reflection in different vegetation. The findings indicated that the modified indices were better at studying different tree species than normalized indices across terrain.

期刊名稱Botanical Studies
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