文章摘要
徐涛, 蒙仲举, 斯庆毕力格, 刘雅婧, 吴小龙, 郭彧, 通旭芳, 万芳.吉兰泰盐湖周边不同沙化程度植被群落与土壤养分特征研究[J].水土保持学报,2018,32(4):95~100,108
吉兰泰盐湖周边不同沙化程度植被群落与土壤养分特征研究
Vegetation Community and Soil Nutrient Characteristics of the Regions with Different Desertification Degrees Around the Jartai Saline Lake
投稿时间:2018-03-06  
DOI:10.13870/j.cnki.stbcxb.2018.04.015
中文关键词: 吉兰泰盐湖  不同沙化程度  植被群落  土壤养分  相关性
英文关键词: Jartai Saline Lake  different desertification degree  vegetation community  soil nutrients  correlation
基金项目:国家重点研发计划项目(2016YFC0501003)
作者单位E-mail
徐涛1, 蒙仲举1, 斯庆毕力格2, 刘雅婧1, 吴小龙1, 郭彧1, 通旭芳1, 万芳1 1. 内蒙古农业大学沙漠治理学院, 呼和浩特 010018

2. 鄂尔多斯市林业局
, 内蒙古 鄂尔多斯 017400 
mengzhongju@126.com 
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中文摘要:
      选取吉兰泰盐湖周边4种不同程度的沙化土壤,对其植被群落特征与土壤养分含量进行测定,分析不同沙化程度植被群落特征、土壤养分含量垂直分布特征以及植被群落与土壤养分含量之间的相关性。结果表明:(1)随着沙化程度的加剧,Shannon-Wiener多样性指数、Simpson优势度指数与Margalef丰富度指数均不断下降,植被群落结构趋于简单化;(2)随着沙化程度的加剧,土壤有机质与速效养分含量总体呈降低趋势;(3)土壤有机质、速效磷、速效钾均与Shannon-Wiener多样性指数呈显著正相关;碱解氮与Margalef丰富度指数呈显著正相关。对不同沙化程度植被群落特征和土壤养分的研究为吉兰泰盐湖区天然植被恢复与重建及盐湖保产、高产提供科学依据。
英文摘要:
      The characteristics of vegetation community and soil nutrient content were measured by 4 different degrees of desertification around the Saline Lake of Jartai. The characteristics of vegetation communities, vertical distribution characteristics of soil nutrient contents and correlation between vegetation communities and soil nutrient contents were analyzed. The results showed that:(1) With the intensification of desertification, Shannon-Wiener diversity index, Simpson dominance index and Margalef richness index decrease, and vegetation community structure tends to be simplified. (2) With the intensification of desertification, the content of soil organic matter and available nutrients decreased in general. (3) Soil organic matter, available phosphorus and available potassium all had significant positive correlations with Shannon-Wiener diversity index, and there was a significant negative correlation between available potassium and Pielou evenness index. There was a significant positive correlation between alkali hydrolyzed nitrogen and Margalef richness index. The study of vegetation characteristics and soil nutrients in different desertification degree provides scientific basis for the restoration and reconstruction of natural vegetation and in Saline Lake area of Jartai and high-yield of Saline Lake.
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