摘要
对北京西山林场、妙峰山和申家沟3处的7种林分的持水性能进行研究测定,结果表明:枯落物的总蓄积量在1.49~10.08t/hm2,其中刺槐麻栎混交林的最高,黄荆纯林最小。枯落物未分解层、半分解层吸水率与浸水时间关系式为:=Aln(t)+,不同林分枯落物未分解层、半分解层吸水率与浸水时间之间表现出较好的相关性,
Water-holding capacity of 7 types forest stand in Xishan Plantation, Miaofeng Mountain and Shenjiagou Village of Beijing were determined. The results showed that litter extant quantity ranges from 1.49 to 10.08 t/hm2. Among which, R. pseudoacacia L. and Q. variabilis Carr. mixed forest was the highest and V. negundo L. was the lowest. The relationship of 7 different forest stand types of uu-decomposed litter and half-decomposed litter of water absorption and immersion time was W = Aln(t) + B, and showed good correlation.
出处
《安徽农业科学》
CAS
北大核心
2010年第3期1636-1639,共4页
Journal of Anhui Agricultural Sciences
基金
北京山区森林健康经营关键技术研究与示范项目(D0706-001000091)。
关键词
山区
枯枝落叶
持水性能
Mountain area
Litter
Water-holding capacity