干旱区生态环境知识资源中心(Arid): 沙地柏人工林和天然林风沙土特性研究

Arid

	沙地柏人工林和天然林风沙土特性研究
其他题名	Study on the Characteristics of Aeolian Sandy Soils in Plantation and Natural Stand of Sabina vulgaris
	拓飞; 董治宝; 南维鸽; 杨树俊; 武玉叶; 李强
来源期刊	水土保持研究
ISSN	1005-3409
出版年	2021
卷号	28 期号:2 页码:1005-3409
中文摘要	为了深入了解固沙植被恢复对土壤理化性质的影响,以毛乌素沙地东南缘沙地柏人工林和天然林为研究对象,通过收集灌丛下5个土层(0100 cm)的土壤样品,分析其土壤颗粒组成及8个理化指标,探讨了沙地柏生长对风沙土特性的影响。结果表明:研究区土壤粒度组成以砂粒(体积分数97.09%)为主,其次是粉粒和黏粒,并形成以中砂(50.26%)为主的单峰,土壤弱碱性,其养分含量整体水平低,且具有明显表层聚集现象。土壤养分含量与土壤粒度之间存在良好的相关性,表现为土壤有机质、速效钾和盐分含量与细沙物质(粒径<100mum)含量呈线性正相关,与粗砂物质(100~500mum)呈线性负相关。沙地柏生长对风沙土改良效果呈现出人工林16a树龄优于7a树龄,天然林地迎风坡优于背风坡。整体上,造林时间增加土壤颗粒的粗细分配趋于良好态势发展,土壤结构优化,土地荒漠化进程减缓。因此,沙地柏可作为毛乌素沙地生态恢复工程的优良灌木。
英文摘要	To better understand the effect of vegetation restoration on the physical and chemical properties of aeolian soils,the artificial forest and natural forest of Sabina vulgaris in the southeast edge of Mu Us Dune field were taken as the research objects.Through collecting soil samples of 5 soil layers(0100 cm)in the forest lands,the composition of soil particles and 8 physical and chemical indexes under the shrub were analyzed,and the improvement effect of vegetation restoration on aeolian sandy soil was discussed.The results showed that the grain size of the soil in the study area was mainly composed of sand(97.09%),followed by silt and clay;the soil was weak alkaline,and low nutrient content and obvious surface accumulation(040 cm);there was a good correlation between soil nutrient content and soil particle size,which showed that the contents of soil organic matter,available potassium,TOC and salinity had a linear positive correction with the content of fine sand material(mean diameter<100mum),whereas a negative linear relationship with the content of coarse sand material(100~500mum)was found.Therefore,this study also demonstrated that the improvement effect of 16-year-old plantation was better than that of 7-year-old plantation,and the improvement effect of windward slope of natural stand was better than leeward slope.On the whole,with the increase of afforestation time,the distribution of soil particle size tends to be better,the soil structure is optimized and the process of land desertification is slowed down.Therefore,Sabina vulgaris can be used as agood shrub in ecological restoration project in Mu Us Dune field.
中文关键词	风沙土 ; 改良效果 ; 颗粒粒度 ; 沙地柏
英文关键词	aeolian soil improvement effect particle size parameter Sabina vulgaris
类型	Article
语种	中文
国家	中国
收录类别	CSCD
WOS类目	Agriculture
CSCD记录号	CSCD:6945545
来源机构	陕西师范大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/354461
作者单位	拓飞, 榆林市绿化委员会办公室, 榆林, 陕西 719000, 中国.; 董治宝, 陕西师范大学地理科学与旅游学院, 西安, 陕西 710119, 中国.; 南维鸽, 陕西师范大学地理科学与旅游学院, 西安, 陕西 710119, 中国.; 杨树俊, 榆林职业技术学院林学院, 榆林, 陕西 719001, 中国.; 武玉叶, 大同市第一中学校, 大同, 山西 037008, 中国.; 李强, 榆林学院, 陕西省陕北矿区生态修复重点实验室, 榆林, 陕西 719001, 中国.
推荐引用方式 GB/T 7714	拓飞,董治宝,南维鸽,等. 沙地柏人工林和天然林风沙土特性研究[J]. 陕西师范大学,2021,28(2):1005-3409.
APA	拓飞,董治宝,南维鸽,杨树俊,武玉叶,&李强.(2021).沙地柏人工林和天然林风沙土特性研究.水土保持研究,28(2),1005-3409.
MLA	拓飞,et al."沙地柏人工林和天然林风沙土特性研究".水土保持研究 28.2(2021):1005-3409.