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10种常绿阔叶树种理化性质的研究

Journal of Central South University of Forestry & Technology(2015)

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Abstract
常绿阔叶树种是森林的主要植物种类,具有含水率高的特点。选择石栎 Lithocarpus glaper、拟赤杨 Alniphyllum tortunei、冬青 Ilex chinensis、樟树 Cinnamomum philippinense、木荷 Schima superba、罗浮栲Castanopsis fabri、山杜英 Elaeocarpus decipiens、甜槠 Castanopsis eyrei、苦槠 Castanopsis sclerophylla、油茶Camellia oleifera 10种常绿阔叶树种,采集不同树种的树叶、树枝和树皮,烘干粉碎后在室内进行理化性质的测定分析,以不同树种器官的含水率、热值、燃点、木质素、粗纤维、粗灰分、粗脂肪7个指标作为评价因素,对10个树种的抗火性进行聚类分析,结果表明:抗火性强的是冬青;抗火性较强的有3种,由强到弱依次是油茶、山杜英、拟赤杨;抗火性一般的有2种,由强到弱依次是苦槠、石栎;抗火性较弱的有4种,由强到弱依次是木荷、樟树、甜槠、罗浮栲。研究结果能为防火树种的筛选提供理论依据。
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Key words
cluster analysis,fire resistance,physicochemical properties,broad-leaved tree species
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