Effects of Different Restoration Measures on Productivity and Diversity of Grassland Communities in Northern Tibet

doi:10.11733/j.issn.1007-0435.2018.05.006

Acta Agrestia Sinica ›› 2018, Vol. 26 ›› Issue (5): 1078-1083.DOI: 10.11733/j.issn.1007-0435.2018.05.006

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Effects of Different Restoration Measures on Productivity and Diversity of Grassland Communities in Northern Tibet

TONG Shu-ping¹, MIAO Yan-jun¹, BIAN Bu-yun¹, JIA Shu-gang², GUAN Fa-chun³, GUO Hong-bao⁴, YANG Guang-zong⁴

1. Tibet Agriculture and Animal Husbandry University, Linzhi, Tibet 860000, China;
2. Key Laboratory of Environment Change and Resources Use in Beibu Gulf/Guangxi Key Laboratory of Earth Surface Processes and Intelligent Simulation, Ministry of Education, Guangxi Teachers Education University, Nanning, Guangxi Province 530001, China;
3. Institute of Rural Energy and Ecology, Jilin Academy of Agricultural Sciences, Changchun, Jilin Province 130033, China;
4. Bureau of agriculture and animal husbandry of Naqu, Naqu, Tibet 852000, China

Received:2017-12-03 Revised:2018-09-18 Online:2018-10-15 Published:2018-11-06

不同恢复措施对藏北草地群落生产力和多样性影响的研究

仝淑萍¹, 苗彦军¹, 边步云¹, 贾书刚², 关法春³, 郭红宝⁴, 杨光宗⁴

1. 西藏农牧学院, 西藏林芝 860000;
2. 广西师范学院北部湾环境演变与资源利用教育部重点实验室/广西地表过程与智能模拟重点实验室, 广西南宁 530001;
3. 吉林省农业科学院农村能源与生态研究所, 吉林长春 130033;
4. 那曲市农牧局, 西藏那曲 852000

通讯作者: 贾书刚, 关法春
作者简介:仝淑萍(1991-),女,山东菏泽人,硕士研究生,主要从事农业生态研究,E-mail:13989046652@163.com
基金资助:
国家重点研发计划项目（2016YFC0502002）资助；西藏科技厅重点项目（XZ201801NA02）资助；西藏高原生态安全联合重点实验室开放基金（STX2018-07）资助。

Abstract

Abstract: In order to explore the effects of watering and drilling on grassland biomass and species diversity in the restoration of degraded grassland,the alpine degraded grassland in the Naqu area was studied. Two treatments,watering (W) and watering plus puncturing (WP),were conducted. The results showed that the watering treatment increased the number of common species and Pielou evenness index in the community,and improved the community biodiversity. The watering plus drilling treatment could effectively increase above-ground biomass,and the total plant community density,Shannon-Wiener diversity index,Simpson diversity index were higher than those in the other two treatments. The species richness of Margalef was significantly higher than that of the other treatments (P<0.05),which was more beneficial to the restoration of overgrazed and degraded grassland.

Key words: Degraded grassland, Community diversity, Grassland restoration, Alpine meadow, Northern Tibetan Plateau

摘要： 为探索浇水、打孔措施对退化草地恢复过程中群落生物量、多样性的影响，以西藏那曲地区高寒退化草地为研究对象，开展了不同处理下的草地恢复试验。试验设置浇水和浇水打孔2种处理。结果表明：浇水处理增加了群落中常见种数目和Pielou均匀度指数，提高了群落多样性和稳定性；浇水打孔处理能够有效提高群落植物总密度，其地上生物量、Shannon-Wiener多样性指数、Simpson多样性指数均高于其他2种处理，且浇水打孔处理Margalef物种丰富度显著高于其他2种处理（P<0.05），说明浇水打孔措施更有利于过牧退化草地的恢复。

关键词: 退化草地, 群落多样性, 草地恢复, 高寒草甸, 藏北高原

CLC Number:

Q948

TONG Shu-ping, MIAO Yan-jun, BIAN Bu-yun, JIA Shu-gang, GUAN Fa-chun, GUO Hong-bao, YANG Guang-zong. Effects of Different Restoration Measures on Productivity and Diversity of Grassland Communities in Northern Tibet[J]. Acta Agrestia Sinica, 2018, 26(5): 1078-1083.

仝淑萍, 苗彦军, 边步云, 贾书刚, 关法春, 郭红宝, 杨光宗. 不同恢复措施对藏北草地群落生产力和多样性影响的研究[J]. 草地学报, 2018, 26(5): 1078-1083.

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Effects of Different Restoration Measures on Productivity and Diversity of Grassland Communities in Northern Tibet

不同恢复措施对藏北草地群落生产力和多样性影响的研究

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