WANG Bing,WANG Yan,ZHAO Guang-dong.Studies on Litter Hydrologic Characteristics of Three Main Forest Types in Mountain Dagangshan of Jiangxi Province[J].Research of Soil and Water Conservation,2008,15(06):197-199.
江西大岗山三种主要植被类型枯落物水文性能研究
- Title:
- Studies on Litter Hydrologic Characteristics of Three Main Forest Types in Mountain Dagangshan of Jiangxi Province
- 分类号:
- S715
- 摘要:
- 对江西大岗山林区常绿阔叶林、毛竹林和杉木林枯落物的水文性能进行研究，结果表明：(1)常绿阔叶林、毛竹林和杉木人工林枯落物现存量分别为474.18，516.92和598.30t/km2。(2)三者枯落物的持水量分别为吸水后10 h，20h和20h达到饱和稳定状态。(3)常绿阔叶林、毛竹林和杉木人工林枯落物的吸水速率均在0-6h急剧减小。毛竹林枯落物的吸水速率随时间变化最为剧烈，而常绿阔叶林则较为平缓。(4)毛竹林枯落物对降水的有效拦蓄能力最强，水文生态效应显著。
- Abstract:
- Research on litter hydrologic characteristics of evergreen broad-leaved forest,Phyllostachys pubescents stands and Cunninghamia lanceolata was carried out in Mountain Dagangshan in Jiangxi province.The results showed that:(1)the amount of the present remaining litters of evergreen broad-leaved forest,Phyllostachys pubescents stands and Cunninghamia lanceolata was 474.18,516.92 and 598.30t/km2 respectively.(2)After 10h,20h and 20h,the water holding capacity of the litter layer of the three reach its saturated stable status.(3)The litter water holding rate of the three forest types decreased seriously in 0~6 h.That of Phyllostachys pubescents stands changed greatly,while that of evergreen broad-leaved forest varied slowly.(4)Water effective conservation ability and hydro-ecological efficiency of litter under Phyllostachys pubescents stands was better than that of the other two.
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备注/Memo
收稿日期:2008-4-2;
基金项目:国家自然科学基金重大项目课题(30590381)；国家林业科技支撑计划课题(2006BAD03A07)；国家林业局林业新技术开发与储备专项(2006-67)；大岗山国家级森林生态站资助项目
作者简介:王兵（1965- ），男，辽宁省西丰县人，研究员，博士生导师，主要从事生态系统关键过程长期观测与模拟研究。E-mail: wangbing@caf.ac.cn
通讯作者:王燕（1982- ），女，山东省邹平县人，主要从事森林水文及森林生态系统碳平衡研究