[1]王顺利,王金叶,张学龙,等.祁连山青海云杉林苔藓枯落物分布与水文特性[J].水土保持研究,2006,13(05):156-159.
　WANG Shun-li,WANG Jin-ye,ZHANG Xue-long,et al.Distribution of Withered Litters of Moss and Hydrographic Characteristics in the Picea crassifolia Forestry on Qilian Mountain[J].Research of Soil and Water Conservation,2006,13(05):156-159.
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祁连山青海云杉林苔藓枯落物分布与水文特性

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 13 期数: 2006年05期 页码: 156-159 栏目: 出版日期: 1900-01-01
Title:
Distribution of Withered Litters of Moss and Hydrographic Characteristics in the Picea crassifolia Forestry on Qilian Mountain
作者:
王顺利1, 王金叶2, 张学龙1, 敬文茂1
1. 甘肃省祁连山水源涵养林研究院, 甘肃, 张掖, 734000;
2. 桂林工学院, 广西, 桂林, 541000
Author(s):
WANG Shun-li1, WANG Jin-ye2, ZHANG Xue-long1, JING Wen-mao1
1. Academy of Water Resources Conservation Forest of Qilian Mountains, Zhangye, Gansu, 734000, China;
2. Engineering College of Guilin, Guilin, 541000, China
关键词:
苔藓; 枯落物; 水文特性; 分布; 青海云杉林
Keywords:
moss; withered litters; hydrographic characteristics; distribution; Picea crassifolia forestry
分类号:
S715
摘要:
对祁连山中段青海云杉林苔藓枯落物分布与水文特性能进行了试验研究.结果表明,试验流域苔藓枯落物层分布与组成存在明显差异,15个样地平均厚度8.2cm,厚度最大达13.7cm,最薄仅1.5cm,相差近10倍;苔藓枯落物中未分解成分较多,占总量的2.8%;半分解和已分解成分较少,分别占23.8%和33.3%.其最大持水率在271.1%～18.2%之间变化,平均为319.8%,青海云杉林区苔藓枯落物层的最大持水量约为其自身干重的3倍左右;最大持水量变化范围在7.6～59.1mm,平均为36mm.经200年测定,青海云杉样地内苔藓枯落物层平均厚度约9.7cm,总降水量为178.7mm,截留量为57.8mm,占穿透降水的32.3%.
Abstract:
The distribution of withered litters of moss and hydrographic characteristics of Picea crassifolia forestry in the middle of Qilian Mountain was mainly dealt with.The results show that there is an obvious difference in the distribution and composition of the withered-litter layers of moss in investigated drainage area.The average depth of the 15 surveyed sample plots is(8.2 cm),and the maximum,13.7 cm,the minimum,1.5 cm,with 10 times differences between these two values.The undecomposed component in the withered litters of moss is relative more,accounting for 42.8%,and semi-decomposed and decomposed one is less,accounting for 23.8% and 33.4%,respectively.Its water-holding capacity ranges from 271.1% to 418.2%,and is 319.8% on an average.The water-holding capacity is the three times of its self-dry weight,and its maximum varied range is(7.6)~59.1 mm,and averagely is about 36.4 mm.The test measured in 2004 shows that the average depth of moss and litter in the sample plot is about 9.7 cm,the total precipitation is 178.7 mm,and the water-cut mass is 57.8 mm,accounting for(32.34%) of atmospheric precipitation.

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备注/Memo

收稿日期:2005-9-3。
基金项目:国家自然科学基金重点项目“干旱半干旱地区森林与水资源的相互影响及合理调控机理”(30230290);国家林业局“十五”重点项目“甘肃祁连山水源林生态定位研究”(2001-09)资助
作者简介:王顺利(1976- ),男,甘肃平凉人,林业助理工程师,主要从事森林水文方面的研究工作.

更新日期/Last Update: 1900-01-01