科尔沁盐碱化草地植被修复效果分析  

Effect analysis of vegetation restoration of Horqinsaline-alkali grassland

作　　者：艳秀 占布拉 王明玖 包翔 吴朝 王燕 Yan Xiu;Zhanbula;Wang Mingjiu;Bao Xiang;Wu Chao;Wang Yan(College of Grassland Resources and Environment,Key Laboratory of Grassland Resources of Ministry of Education,Key Laboratory of Forage Cultivation,Processing and High Efficient Utilization of Ministry of Agriculture and Rural Affairs,and Inner Mongolia Autonomous Region Key Laboratory of Grassland Management and Utilization of,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010018,China)

机构地区：[1]内蒙古农业大学草原与资源环境学院/草地资源教育部重点实验室,呼和浩特010018

出　　处：《草原与草业》2020年第2期27-31,共5页Grassland and Prataculture

基　　金：北方草甸退化草地治理技术与示范(2016YFC0500605)。

摘　　要：以科尔沁盐碱化草地为研究对象,采用施脱硫石膏+补播措施,研究了对盐碱化草地的修复效果,旨为盐碱化草地恢复与重建提供科学依据。结果表明:修复后的第三年(2019年)与自由放牧区(CK)和修复前(2017年)相比,草地群落的盖度、高度、密度和地上生物量均有显著提高;群落的丰富度指数和多样性指数均达到显著差异,均匀度指数达到显著差异;在牧草功能群方面,随着修复年限的推移,禾本科牧草和豆科牧草重要值达到56.67和10.88。修复措施改善了草地的生境条件,提高了草地的多样性、生物量和质量,是修复盐碱化草地的一种经济有效的手段。The restoration effect of adding desulphurization gypsum+reseeding on Saline-alkali grassland was studied in horqin salinized grassland to provide scientific basis for the restoration and reconstruction of salinized grassland.The results showed:the coverage,height,density and above-ground biomass of the grassland communities were significantly increased in the third year after restoration(2019)compared with the free grazing area(CK)and the pre-restoration(2017),while the changes of richness index and diversity index of the communities were not significantly different.In terms of forage functional groups,the important values of gramineous forage grass and leguminous forage grass reached 56.67 and 10.88 respectively over the years of restoration.The restoration measures improved the habitat conditions of grassland,and improved grassland diversity,biomass and quality,so it was an economical and effective method to restore saline-alkali grassland.

关 键 词：科尔沁 盐碱化草地 脱硫石膏 补播 

分 类 号：S812.8[农业科学—草业科学]