| 羊草草地4种群落活根生物量与土壤理化性质的关系 |
| |
| 引用本文： | 黄文娟,张丹,季志军,杨赵平,张玲. 羊草草地4种群落活根生物量与土壤理化性质的关系[J]. 安徽农业科学, 2011, 39(14): 8533-8536 |
| |
| 作者姓名： | 黄文娟 张丹 季志军 杨赵平 张玲 |
| |
| 作者单位： | 新疆生产建设兵团塔里木盆地生物资源保护利用重点实验室;塔里木大学植物科学学院; |
| |
| 基金项目： | 新疆生产建设兵团塔里木盆地生物资源保护利用重点实验室开放课题(BRYB1003);新疆生产建设兵团青年科技创新资金专项(2010JC39) |
| |
| 摘 要： | 以吉林省西部天然羊草草地作为研究样地,选择放牧恢复演替过程中常见的4种植物群落为研究对象,对其地下生物量、土壤理化性质及其二者间相互关系进行研究,结果表明：4个群落地下活根生物量均有随着土层加深而逐渐减少的趋势,且总活根生物量为羊草群落〉羊草-旋复花群落〉羊草-星星草群落〉过度放牧退化群落;土壤的碱化度、pH、可溶盐、电导率和含水量在4个群落中基本都表现出随着土层深度的增加而增加的趋势,与活根生物量多呈负相关;而土壤有机质、水解氮、速效钾及速效磷含量多表现出随着土层加深而下降的趋势,与地下生物量的变化趋势相一致,与活根生物量多呈正相关。 更多还原
|
| 关 键 词： | 羊草草地 活根生物量 土壤理化性质 |
The Relationship between Live Root Biomass and Physical and Chemical Properties of Soil of 4 Communities in the Leymus chinensis Grassland |
| |
| HUANG Wen-juan et al. The Relationship between Live Root Biomass and Physical and Chemical Properties of Soil of 4 Communities in the Leymus chinensis Grassland[J]. Journal of Anhui Agricultural Sciences, 2011, 39(14): 8533-8536 |
| |
| Authors: | HUANG Wen-juan et al |
| |
| Affiliation: | HUANG Wen-juan et al(Xinjiang Production & Construction Group Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin,Alar,Xinjiang 843300) |
| |
| Abstract: | Leymus chinensis grassland in Western Jilin Province as the study of natural samples,the choice often grazing in restoration succession process of the four kinds of plant communities as the research object,underground biomass,soil properties and their mutual relations between the two,the results show that 4 communities underground biomass of live roots with depth and the decreasing trend,and the total living root biomass of L.chinensis community(shorthand com.)>L.-Inula com.>L.-Puccinellia com.>degraded com... |
| |
| Keywords: | L.chinensis grassland Live root biomass Physical and chemical properties of soil |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
