Different Forest Litters Water-holding Performance in Duolun County of Inner Mongolia Autonomous Region

Aotegenqimuge; QIN Fucang; ZHOU Jianing; YANG Zhenqi; ZHOU Meichao; NIU Xiaole

doi:10.13961/j.cnki.stbctb.2017.04.019

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Different Forest Litters Water-holding Performance in Duolun County of Inner Mongolia Autonomous Region

- Different Forest Litters Water-holding Performance in Duolun County of Inner Mongolia Autonomous Region
- Bulletin of Soiland Water Conservation Vol. 37, Issue 4, Pages: 114-118(2017)
- 作者机构：
  
  内蒙古农业大学沙漠治理学院,内蒙古,呼和浩特,010010
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2017.04.019
  CLC：
- Published：2017
- 稿件说明：
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Aotegenqimuge, QIN Fucang, ZHOU Jianing, et al. Different Forest Litters Water-holding Performance in Duolun County of Inner Mongolia Autonomous Region[J]. Bulletin of Soiland Water Conservation, 2017, 37(4): 114-118.
DOI：

Aotegenqimuge, QIN Fucang, ZHOU Jianing, et al. Different Forest Litters Water-holding Performance in Duolun County of Inner Mongolia Autonomous Region[J]. Bulletin of Soiland Water Conservation, 2017, 37(4): 114-118. DOI： 10.13961/j.cnki.stbctb.2017.04.019.

摘要

[目的]探讨多伦县不同林分类型的枯落物持水性能差异，为该区森林土壤持水性能提供基础数据理论。[方法]以内蒙古自治区锡林浩特市多伦县为研究区，选取代表性的10块林地，收集林地地表枯落物，测定其现存量、持水性能及拦蓄能力等，旨在分析不同林分类型下枯落物持水性能的差异及其对表层土壤（0-20 cm）含水率的影响。[结果]（1）乔木林的枯落物现存量、持水能力和拦蓄能力均高于灌木林。（2）天然林的枯落物现存量、持水能力和拦蓄能力均高于人工林。（3）各林地枯落物厚度显著影响表层土壤的含水率，即枯落层越厚，表层土壤含水率越高。[结论]由于树种组成、年龄、林分密度及立地条件的影响，不同林分类型的持水能力差异较大，但变化规律为基本一致，同时，林地对土壤水分的影响高于草地。

Abstract

[Objective] To investigate the difference of water holding capacity of litters in different stand types in Duolun County

and to provide basic data and relevant theory for forest soil water holding capacity in this area.[Methods] Duolun County in Xilinhaote City of Inner Mongolia was taken as the study area

in which 10 representative sites of woodland were selected. Weight of forest litter

water holding capacity and storage capacity were measured to analyze the differences of water holding capacity of litter among different forest types

the effect on moisture content as well.[Results] (1) Forest litter amount

water holding capacity and storage capacity were all higher than that of shrub. (2) The natural forest litter amount

water holding capacity and storage capacity were higher than the corresponding values of artificial forest.(3) The litter thickness significantly affected the water content of the surface soil

i.e.

the thicker the litter layer

the higher the surface soil moisture content was.[Conclusion] Because of the influences of tree species composition

age

stand density and site conditions

the water holding capacity of different stand types varied greatly

but the change was basically the same. The influence of forest land on soil moisture was higher than that of grassland.

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