YUE Xue-wen,QIAN Kun-jian,FANG Jin,et al.A Study on Soil Moisture in Different Plantations in Dry-Hot Valley of Jinsha River[J].Research of Soil and Water Conservation,2011,18(02):125-128.
金沙江干热河谷人工林土壤水分研究
- Title:
- A Study on Soil Moisture in Different Plantations in Dry-Hot Valley of Jinsha River
- 分类号:
- S715
- 摘要:
- 以金沙江干热河谷6种人工林为例，采用TRIME-PICO-IPH TDR测定雨季（6-10月）土壤水分，每个样地设3个重复，分析不同人工林内的土壤水分变化特征。罗望子纯林土壤含水量稳定，变异系数小，且含水量较其他人工林高。随着深度的增加，不同人工林之间的土壤含水量差异逐渐变小。根据土壤对降雨的蓄积、利用情况，将0-100 cm的土壤剖面分为水分剧烈变化层、弱利用层，草本植物水分利用层、土壤水分微调节层。
- Abstract:
- Six kinds of plantations in Yuanmou County of Yunnan Province,a typical dry-hot area in the valley of Jinsha River, were selected.Soil moisture was determined with TRIME-PICO-IPH TDR in rainy season (from June to October). Each sample area was selected in triplicate to analysis the variety characteristics of the soil moisture. Soil moisture is vey stable and the variation coefficient is much less in the pure forest of tamarindus indica and its soil moisture content is higher than the others. With the increase of the soil depth, the soil moisture differences among the plantations diminish gradually. The soil profile at 0-100 cm was divided into 4 layers by saving and using the rainfall of soil, i.e. moisture dramatical-change layer, moisture weak-utilization layer, herbaceous plant moisture utilization layer and soil moisture slight-adjustment layer.
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备注/Memo
收稿日期:2010-8-31;改回日期:2010-10-13。
基金项目:国家“十一五”支撑计划项目（2006BAC01A11）；国家支撑项目（2008BAD98B00）
作者简介:岳学文（1983- ），男，硕士，研究方向为生态恢复和地理信息系统。E-mail：46179535@qq.com
通讯作者:纪中华（1963- ），女，研究员，研究方向为生态农业和生态恢复。E-mail：rjsjzh@163.com