干旱区生态环境知识资源中心(Arid): 伊犁绢蒿荒漠草地围封后的土壤动态

Arid

	伊犁绢蒿荒漠草地围封后的土壤动态
其他题名	Soil physicochemical properties and hyperspectral feature of Seriphidium transiliense desert grassland
	夏小伟; 靳瑰丽; 安沙舟; 范燕敏; 魏秀红
来源期刊	草业科学
ISSN	1001-0629
出版年	2016
卷号	33 期号:4 页码:573-583
中文摘要	本研究对伊犁绢蒿(Seriphidium transiliense)荒漠草地的土壤理化性质及光谱进行测定,探讨围封对土壤理化性质的影响和草地光谱的响应。结果表明,土壤含水量在各土层随植物生长期呈递减趋势,5月与9月土壤含水量随围封年限的延长总体上呈增加趋势,并对群落光谱和土壤含水量间关系进行建模,R~2=0.63;土壤有机质随封育年限增加呈升-降-升的趋势,围栏内外有机质差值在5月随封育年限的增加而增加,封育7年、10年草地有机质差值,植物生长期内呈线性递减。通过室内土壤光谱及野外裸地光谱对土壤有机质进行建模,均取得较好效果,R~2分别为0.64与0.38。研究表明,草地土壤含水量及有机质对于草地恢复状况较为敏感,可用于该类草地封育状况的监测。
英文摘要	The present study measured soil physicochemical and grassland spectrum of Seriphidium transiliense desert grassland to discuss their response to enclosure.The results showed that soil water content decreased during the growth period and increased with the enclosure period extending in May and September.The model of the relationship between community spectrum and soil water content was simulated with R~2 of 0.633.The difference of soil organic matter between inside and outside of fence in May increased with the enclosure period extending.Difference of soil organic matter decreased linearly in grassland enclosed 7and 10years.The models simulated with both indoor soil spectra and the field bare land spectra were optimal with R~2 of 0.64and 0.38, respectively.These results showed that soil moisture and organic matter were sensitive to grassland restoration which can be used to monitor S.transiliense desert grassland.
中文关键词	伊犁绢蒿 ; 土壤含水量 ; 有机质 ; 全氮 ; 碱解氮 ; 建模
英文关键词	Seriphidium transiliense soil water content organic matter total nitrogen alkali-hydrolyzable nitrogen modeling
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRICULTURE MULTIDISCIPLINARY
WOS研究方向	Agriculture
CSCD记录号	CSCD:5705003
来源机构	新疆农业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/233972
作者单位	新疆农业大学草业与环境科学学院, 新疆草地资源与生态重点实验室, 乌鲁木齐, 新疆 830052, 中国
推荐引用方式 GB/T 7714	夏小伟,靳瑰丽,安沙舟,等. 伊犁绢蒿荒漠草地围封后的土壤动态[J]. 新疆农业大学,2016,33(4):573-583.
APA	夏小伟,靳瑰丽,安沙舟,范燕敏,&魏秀红.(2016).伊犁绢蒿荒漠草地围封后的土壤动态.草业科学,33(4),573-583.
MLA	夏小伟,et al."伊犁绢蒿荒漠草地围封后的土壤动态".草业科学 33.4(2016):573-583.