草地学报 ›› 2022, Vol. 30 ›› Issue (6): 1370-1378.DOI: 10.11733/j.issn.1007-0435.2022.06.007

• 生态与草原修复 • 上一篇    

退化高寒草地浅层土壤理化性质Meta分析

邵建翔1, 刘育红1, 马辉1, 魏卫东1,2   

  1. 1. 青海大学农牧学院, 青海 西宁 810016;
    2. 青海省高寒草地适应性管理重点实验室, 青海 西宁 810016
  • 收稿日期:2021-11-25 修回日期:2022-01-10 发布日期:2022-07-05
  • 通讯作者: 魏卫东,E-mail:qhweidong@163.com
  • 作者简介:邵建翔(1998-),男,汉族,福建南平人,硕士研究生,主要从事草地生态研究,E-mail:shaojianxianga@163.com
  • 基金资助:
    青海省科技厅应用基础研究(2022-ZJ-705);国家自然科学基金项目(31560167)资助

Meta-analysis of Physical and Chemical Properties of Shallow Soils in Degraded Alpine Grasslands

SHAO Jian-xiang1, LIU Yu-hong1, MA Hui1, WEI Wei-dong1,2   

  1. 1. College of Agriculture and Animal Husbandry, Qinghai University, Xining, Qinghai Province 810016, China;
    2. Qinghai Provincial Key Laboratory of Adaptability Management of Alpine Grassland, Xining, Qinghai Province 810016, China
  • Received:2021-11-25 Revised:2022-01-10 Published:2022-07-05

摘要: 青藏高原生态地位显著,草地退化影响区域生态安全,针对退化高寒草地土壤理化性质的研究众多但结果存在较大异质性。通过检索纳入79篇与退化高寒草地土壤理化性质相关的文献,采用整合分析方法用于定量述评不同退化程度高寒草地浅层土壤主要理化性质的效应及变化规律。结果表明:高寒草甸0~10 cm、10~20 cm土层内随着退化加剧土壤容重、pH上升,土壤含水量、有机碳、全氮、全磷、全钾、速效氮、速效磷、速效钾下降;高寒草原0~10 cm、10~20 cm土层内随退化加剧,土壤容重上升,pH、含水量、有机碳、速效钾下降。总体反映出不同退化程度对高寒草地土壤主要理化性质产生较大负面影响,研究结果可为青藏高原高寒草地生态保护提供依据。

关键词: 高寒草地, 退化, 土壤, 理化性质, Meta分析

Abstract: The ecological status of the Qinghai-Tibet Plateau is significant,and the degradation of grasslands affects regional ecological security. There are many studies on the physicochemical properties of degraded alpine grassland soils,but the results are highly heterogeneous. We searched 79 papers related to the physicochemical properties of degraded alpine grassland soils and used Meta-analysis to quantitatively assess the effects and changes in the main physicochemical properties of shallow alpine grassland soils with different degrees of degradation. The results showed that:(1) In the 0~10 cm and 10~20 cm soil layer of alpine meadow,soil bulk density and pH increased,while soil water content,organic carbon,total N,total P,total K,available N,available P and available K decreased;(2) In the 0~10 cm and 10~20 cm soil layers of the alpine steppe,soil bulk density increased,while pH,water content,organic carbon and available P decreased. The results showed that different degradation levels had a negative impact on the main physical and chemical properties of soil in alpine grassland. The results could provide a basis for ecological protection of alpine grassland in Qinghai-Tibet Plateau.

Key words: Alpine grassland, Degradation, Soil, The physical and chemical properties, Meta analysis

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