[1]孟玉珂,刘小林,袁一超,等. 小陇山林区主要林分凋落物水文效应[J].西北林学院学报,2012,27(06):48-51.
　MENG Yu-ke,LIU Xiao-lin,YUAN Yi-chao,et al. Hydrological Effect of Litter Layers of the Main Forest Types in Xiaolongshan Forest Region[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(06):48-51.
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 小陇山林区主要林分凋落物水文效应()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年06期
页码:
48-51
栏目:
出版日期:
2012-11-30

文章信息/Info

Title:
 Hydrological Effect of Litter Layers of the Main Forest Types in Xiaolongshan Forest Region
文章编号:
1001-7461(2012)06-0048-04
作者:
 孟玉珂; 刘小林; 袁一超; 高兴红; 郑子龙; 李惠萍; 杨永芳
 （1.甘肃省小陇山林业科学研究所，甘肃 天水 741022；2.甘肃小陇山森林生态系统定位研究站，甘肃 天水 741022）
Author(s):
 MENG Yu-ke;  LIU Xiao-lin; YUAN Yi-chao; GAO Xing-hong;  ZHENG Zi-long;  LI Hui-ping;  YANG Yong-fang
 (1. Xiaolongshan Forestry Research Institute, Tianshui, Gansu 741022, China; 2. Forest Ecosystem Locational Research Station in Xiaolongshan, Tianshui, Gansu 741022, China）
关键词:
 ; 林分凋落物; 现存量; 持水量; 最大持水率; 分解速率
Keywords:
 ; litter layers;  standing crop;  water holding capacity;  maximal water holding rates;  decomposition rate
分类号:
S718.516
文献标志码:
A
摘要:
 对小陇山林区锐齿栎、油松、日本落叶松、山核桃、华山松、阔叶混交6种林分凋落物的现存量、持水量、最大持水率和分解速率进行研究。结果表明:不同林分类型的凋落物现存量（t·hm-2）差异较大，依次为华山松（48.16 t·hm-2）＞油松（35.72 t·hm-2）＞日本落叶松（25.58 t·hm-2）＞山核桃（13.20 t·hm-2）＞锐齿栎（8.52 t·hm-2）＞阔叶混交（6.16 t·hm-2）。华山松年分解速率为11.2%，仅相当于锐齿栎的1/3。6种林分的凋落物持水量也不同，日本落叶松、华山松、油松、锐齿栎、山核桃、阔叶混交林分凋落物的持水量分别为：21.55、19.64、18.23、14.84、9.88 t·hm-2和8.07 t·hm-2，现存量越高，持水量越大，水源涵养功能越强。6种林分凋落物最大持水率依次为锐齿栎＞阔叶混交＞山核桃＞日本落叶松＞油松＞华山松，树种间差距较大。锐齿栎凋落物水源涵养能力最强，华山松最弱。

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