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灰系統理論在生物學之應用:(5)大肚山氣候因子對其林火頻率與面積之灰關聯分析

Application of Grey System Theory on Biology: (5) Grey Relational Analysis of the Climate Factors and Forest Fire Frequency and Area in Mt. Dadu Area

Abstracts


本研究整理1991-2002年間大肚山地區之林火次數及面積、日照率、平均相對溼度、累積降雨量、累積全天日射量與平均氣溫之月平均值。並以灰關聯理論分析此五種氣候因子對當地林火頻率及面積之影響。結果顯示,在大肚山台地這五種氣候因子對林火頻率之貢獻度及灰序為:相對溼度>日照率>氣溫>日射量>降雨量;而對火燒面積之貢獻度為:日照率>相對溼度>氣溫>日射量>降雨量。綜合研判,影響大肚山地區之林火頻率及面積之當地氣候因子中,以日照率及相對溼度為最直接因素。

Parallel abstracts


The grey system theory was employed to analyze the effects of five climate factors on the forest fire frequency and area covering from 1991 to 2002. The grey orders indicated that the contribution degrees of climate factors to fire frequency were: monthly mean relative humidity > daily insolation percentage > monthly mean temperature > daily cumulative irradiance > monthly cumulative precipitation。 The orders for fire area were: daily insolation percentage > monthly mean relative humidity>monthly mean temperature > daily cumulative irradiance > monthly cumulative precipitation. The data further suggest that monthly mean relative humidity and daily insolation percentage play a more important role on forest fire frequency and area than other climate factors in Mt. Dadu area.

Cited by


李俊佑(2013)。重複火燒對土壤養分、叢枝菌根菌及入侵植物生長 表現的影響─以台灣中部大肚山台地為例〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2013.01084
Chen, Y. S. (2012). 重複森林火燒對台灣中部大肚山保安林土壤性質之影響 [master's thesis, National Taiwan University]. Airiti Library. https://doi.org/10.6342/NTU.2012.00747

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