西南林业大学学报Issue(6)：24-28,5.DOI:10.3969/j.issn.2095-1914.2014.06.004
不同胸径无患子人工林林冠层的持水性
Study on Water Holding Capacity of Canopy of Sapindus mukorossi Plantation with Different DBH
摘要
Abstract
The water-holding properties of canopy of Sapindus mukorossi plantation with different DBH (diame-ter at breast height)were measured to analyze the dehydration rate of different part fuel,and do quantitative analy-sis of fireproof effect of canopy.The results showed that,in Sapindus mukorossi plantation,canopy′s water-holding properties had significant differences in different DBH stands.When the DBH of Sapindus mukorossi plantation was 20 cm,moisture content of canopy reached maximum.In the process of fresh branches drying,the relationship of branch′s weight and drying time was exponential regression,and branch′s water loss rate and drying time showed binominal regression relationship.In the first 6 h,the weight of all treated branches was decreased with drying time continuing.After 6 h,the value tended to be stable.After 8 h,the weight of branches and water loss rate had no change anymore.In the upper and middle portion of plantation canopy,those branches with 15 cm DBH showed the highest water loss rate,while in the below portion,those with 10 cm DBH reached were highest.关键词
无患子/人工林/林冠层/含水率/可燃物Key words
Sapindus mukorossi/plantation/canopy/water holding capacity/fuel分类
农业科技引用本文复制引用
刘成功,陈文静,万志兵,戴淑娟,卢玉生..不同胸径无患子人工林林冠层的持水性[J].西南林业大学学报,2014,(6):24-28,5.基金项目
科技部公益性林业行业科研专项（201304407）资助；安徽省级优秀青年人才基金项目（2012SQRL185）资助；安徽高校省厅自然科学研究重点项目（KJ2013A241）资助。 （）
