文献类型：期刊文献

中文题名：乌兰布和沙漠东北缘人工花棒林的土壤水文效应

英文题名：Hydrological effects of Hedysarum scoparium plantations soil in the northeast edge of Ulan Buh Desert

作者：马迎宾[1,2] 高君亮[1,3] 张格[1] 董礼隆[1] 黄雅茹[1] 罗凤敏[1]

第一作者：马迎宾

机构：[1]国家林业局内蒙古磴口荒漠生态系统定位观测研究站,中国林业科学研究院沙漠林业实验中心,内蒙古磴口015200;[2]中国林业科学研究院森林生态环境与保护研究所,北京100091;[3]中国林业科学研究院荒漠化研究所,北京100091

年份：2018

卷号：53

期号：4

起止页码：92-99

中文期刊名：甘肃农业大学学报

外文期刊名：Journal of Gansu Agricultural University

收录：北大核心:【北大核心2017】；CSCD:【CSCD2017_2018】；

基金：中央级公益性科研院所基本科研业务专项资金(CAFYBB2016QA016).

语种：中文

中文关键词：土壤水分动态;土壤贮水量;人工花棒林;乌兰布和沙漠

外文关键词：soil moisture dynamic;soil water storage;Hedysarum scoparium plantations;Ulan Buh desert

分类号：S152.7;S714.2

摘要：【目的】揭示干旱区人工花棒林雨后土壤水分变化及土壤调蓄功能.【方法】以乌兰布和沙漠东北缘的人工花棒林地为研究对象,采用定位监测法,对林地雨后的土壤水分及降水调蓄能力进行分析.【结果】雨后2d,林地内外各层土壤含水量没有显著差异(P>0.05);雨后2周,林内林外50cm和75cm深处的土壤含水量差异显著(P<0.05);无雨期林地外沙土层土壤含水量在50cm深处达到最大值(4.18%),显著高于林地内(P<0.05).林内黏土层含水量均显著高于林外(P<0.05).花棒林地0～80cm土壤涵蓄降水量和有效涵蓄量较林外分别高7.60%和7.87%.花棒林地内沙土层(0～90cm)的土壤饱和、吸持和滞留贮水量分别比林外高4.75%、5.36%、0.62%.【结论】花棒林地0～80cm土壤水分受降水影响显著,与裸沙地对比,花棒林减少了表层土壤水分蒸发,增加了植物根系分布范围内土壤水分的消耗;花棒林地的土壤贮水性能和调蓄水功能均优于林外对照裸地.
【Objective】To reveal the dynamic of soil moisture and the function of pondage rainfall after rain in Hedysarum scoparium plantations in arid areas.【Method】H.scoparium plantations was chosen as the research object in the northeast edge of Ulan Buh Desert,the woodland soil moisture and pondage rainfall were analyzed by positioning monitoring method.【Result】Soil water content had no significant difference at every soil layer inside and outside H.scoparium plantations at the second day after rain(P>0.05),it was significant at 50 cm and 75 cm soil layers at the second week after rain(P<0.05),the soil moisture was maximum(4.18%)in 50 cm deep sand layer outside the woodland,and it was higher than inside woodland significantly(P<0.05).The water content in clay layer inside the woodland was higher than outside woodland significantly(P<0.05).Total absorption precipitation and effective absorption in 0~80 cm soil layer inside the woodland were respectively 7.6%and 7.87%higher than outside woodland.Soil saturated water content,soil capillary and non-capillary water-holding capacity in sand layer(0~90 cm)inside the woodland were respectively 4.75%,5.36%and 0.62%higher than those outside the woodland.【Conclusion】The 0~80 cm soil water was affected obviously by precipitation inside the woodland.Compared with bare sandy,the evaporation of shallow soil water reduced because of the existence of the plant,meanwhile the consumption of soil moisture increased within the scope of the root system distribution.The performance of soil water storage and function of adjusting water storage inside the H.scoparium plantations were superior to bare sand land.