干旱区生态环境知识资源中心(Arid): 黔中杠寨小流域不同植被类型土壤抗蚀性研究

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	黔中杠寨小流域不同植被类型土壤抗蚀性研究
其他题名	Study on soil anti-erodibility of different vegetation types in Gangzhai small watershed of central Guizhou Province
	吴鹏; 朱军; 崔迎春; 丁访军; 周玮
来源期刊	中南林业科技大学学报
ISSN	1673-923X
出版年	2012
卷号	32 期号:8 页码:64-70
中文摘要	为全面评价黔中杠寨小流域主要植被类型的水土保持功能,以小流域主要的5种植被类型下的表层土壤为研究对象,并以无林地为对照,选取了多个与土壤抗蚀性相关的指标,分析其不同植被类型下土壤抗蚀性的差异,并采用主成分分析法筛选出了评价土壤抗蚀性强弱的最佳指标,计算了土壤抗蚀性综合指数。结果表明:(1)5种不同植被类型的土壤抗蚀性均要优于无林地(少数几个指标除外),麻栎灌木林在各抗蚀性指标上表现最好,马尾松+华山松混交林幼林次之;(2)不同植被类型下评价土壤抗蚀性的最佳五指标分别是:>0.25 mm水稳性团聚体含量、结构破坏率、分散系数、团聚状况和团聚度;(3)根据土壤抗蚀性综合指数,5种不同植被类型及无林地表层土壤的抗蚀性由强到弱依次为:麻栎灌木林(1.302)、马尾松+华山松混交林幼林(1.073)、柳杉幼林(0.190)、杉木+柳杉混交林幼林(-0.145)、柏木幼林(-0.428)、无林地(-1.992)。建议该小流域在石漠化综合治理和生态恢复过程中,应加强对麻栎天然次生林的人为管护措施,以提高其群落整体生态效应;把马尾松+华山松混交林作为重要生态公益林加以营造。
英文摘要	In order to evaluate the function of soil and water conservation about the major vegetation types in Gangzhai small watershed of central Guizhou,the top soil under the five vegetation types and the bare land were chosen as the research objective,and the soil anti-erodibility related indicators were selected,the erodibility differences in the different vegetation types were analyzed,and the principal component analysis was used to screen the best indicator of the evaluation of soil erosion resistance strength,the corrosion resistance of composite index was calculated,The results show that(1) the erodibility of five different vegetation types were superior to non-forest land(except for a few indicators),Quercus acutissima was the best in the performance of corrosion resistance index,mixed Forest of Pinus massoniana and Pinus armandii were in the second place;(2) the best evaluation five indicators under different vegetation types in the erodibility were more than 0.25 mm water-stable aggregate content,the rate of structural damage,the dispersion coefficient,aggregation situations and aggregation degree;(3) according to soil anti-erodibility comprehensive index,five different types of vegetation and woodland top soil erodibility index corrosion resistance were from strong to weak: acutissima shrub(1.302),young mixed forest of Pinus massoniana and Armand Pine(1.073),young Cryptomeria(0.190),mixed young forest of China fir and Chinese cryptomeria,Cryptomeria(-0.145),young cypress plantation(-0.428),bare land(-1.992).It is suggested that the small watershed in after rocky desertification and ecological recovery processacutissima natural secondary forest should be the appropriate human management and protection measures,in order to improve the community overall ecological effects select and create mixed forest of pine masson and armand as an important ecological public welfare.
中文关键词	杠寨小流域 ; 植被类型 ; 土壤抗蚀性
英文关键词	Gangzhai small watershed vegetation types soil anti-erodibility
语种	中文
国家	中国
收录类别	CSCD
WOS类目	FORESTRY
WOS研究方向	Forestry
CSCD记录号	CSCD:4622664
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/229146
作者单位	贵州省林业科学研究院, 贵阳, 贵州 550005, 中国
推荐引用方式 GB/T 7714	吴鹏,朱军,崔迎春,等. 黔中杠寨小流域不同植被类型土壤抗蚀性研究[J],2012,32(8):64-70.
APA	吴鹏,朱军,崔迎春,丁访军,&周玮.(2012).黔中杠寨小流域不同植被类型土壤抗蚀性研究.中南林业科技大学学报,32(8),64-70.
MLA	吴鹏,et al."黔中杠寨小流域不同植被类型土壤抗蚀性研究".中南林业科技大学学报 32.8(2012):64-70.