新疆农业科学 ›› 2018, Vol. 55 ›› Issue (7): 1319-1325.DOI: 10.6048/j.issn.1001-4330.2018.07.017

• • 上一篇    下一篇

伊犁绢蒿荒漠群落特征及植物多样性对短期封育的响应

刘慧敏, 董乙强, 安沙舟, 杨娇, 阿依敏·波拉提, 关欣   

  1. 新疆农业大学草业与环境科学学院,乌鲁木齐 830052
  • 收稿日期:2018-05-07 发布日期:2018-11-27
  • 通信作者: 安沙舟(1956-),男,陕西富平人,教授,博士,博士生导师,研究方向为草地资源与生态,(E-mail)xjasz@126.com
  • 作者简介:刘慧敏(1994-),女,新疆石河子人,硕士研究生,研究方向为草地资源与生态,(E-mail)solesummer@outlook.com
  • 基金资助:
    国家重点研发计划“科技基础资源调查”专项课题“塔里木-准噶尔盆地荒漠主要植物群落调查”(2017FY100201)

Response of Community Characteristics and Plant Diversity of Seriphidium transillense Desertsto Short-term Fencing

LIU Hui-min, DONG Yi-qiang, AN Sha-zhou, YANG Jiao, Ayimin Bolati, GUAN Xin   

  1. College of Pratacultural and Environmental Sciences, Xinjiang Agricultural University, Urumqi 830052, China
  • Received:2018-05-07 Published:2018-11-27
  • Correspondence author: AN Sha-zhou (1956-), male, native place: Fuping, Shanxi. Professor, DAG; research field: Grassland resource and ecology, (E-mail) xjasz@126.com
  • Supported by:
    Special Project of National Key R &D Program: Investigation of the Basic Resource of Science and Technology "The Investigation of Tarim - Junggar Basin Desert Plant Communities" (2017FY100201)

摘要: 【目的】研究封育对草地群落特征和植物多样性的影响规律,为该类退化草地恢复治理和科学经营提供理论依据。【方法】以玛纳斯县封育3a的伊犁绢蒿荒漠草地为对象,采用野外调查取样的方法,测定不同生长季(5月、7月和9月)围栏内外的群落数量特征,计算植物多样性指数。【结果】(1)与放牧区相比,伊犁绢蒿荒漠草地短期封育(3a)后群落高度、盖度和生物量分别显著提高52.55%~91.80%,40.28%~108.75%和44.36%~75.32%(P<0.05),但植物多样性指数对封育的响应较小;(2)5月围栏内外的群落盖度、密度、Margalef指数、Shannon-Wiener指数和Simpson指数均显著高于7月和9月(P<0.05),群落高度均显著低于7月和9月(P<0.05),而围栏内外生物量在月际间差异不显著(P>0.05)。【结论】短期封育(3a)有利于退化伊犁绢蒿荒漠草地植被的恢复,但对植物多样性影响相对较小。

关键词: 伊犁绢蒿; 荒漠; 封育; 群落特征; 植物多样性

Abstract: 【Objective】 This research aims to clarify the effect of short-term fencing on the community characteristics and the plant diversity, which might provide a theoretical basis for the scientific management and recovering of the degraded grassland.【Method】The Seriphidium transilliense deserts of fencing 3 years in Manas County were as research object, and the community characteristics, plant diversity indexes of the fencing plot and the grazing plot indifferent growing season (May, July and September) were measured and analyzed by using the method of sampling field survey.【Result】(1) Compared with grazing plot, the community height, coverage and biomass of S. transilliense deserts in fencing plot were significantly increased (P<0.05) by 52.55%-91.80%, 40.28%~-108.75% and 44.36%-75.32%, respectively, while the responses of plant diversity indexes to fencing were relative low as a whole; (2) The community coverage, density, Margalef index, Shannon-Wiener index and Simpson index inside and outside the fence in May were significantly higher than in July and September (P<0.05), and the community height were significantly lower than in July and September (P<0.05), whereas the community biomass were not significantly different between the months (P>0.05).【Conclusion】Short-term fencing (3a) is beneficial to the restoration of vegetation in degradedS. transiliense deserts, but it has relative low effect on plant diversity.

Key words: Seriphidium transillense; deserts; fencing; community characteristics; plant diversity

中图分类号: 


ISSN 1001-4330 CN 65-1097/S
邮发代号:58-18
国外代号:BM3342
主管:新疆农业科学院
主办:新疆农业科学院 新疆农业大学 新疆农学会

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