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2. Forestry and Grassland Bureau of Zhengxiangbai Banner, Xilingol League, Inner Mongolia Autonomous Region, Zhengxiangbai Banner, Xilingol League, Inner Mongolia 013800, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1309575149473587836, articleId=1309575149049963131, tenantId=1146029695717560320, journalId=1308397196074385509, language=CN, title=放牧强度对锡林郭勒典型草原土壤有机碳及其活性组分的影响, columnId=1309565024058835950, journalTitle=草地学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=本研究旨在揭示不同放牧强度对锡林郭勒盟典型草原土壤活性有机碳组分的影响及其环境驱动机制,为草地生态系统碳管理策略提供实证支撑。在实验区设置不放牧(CK)、中度放牧(MG)和重度放牧(HG)3个处理,采用完全随机区组设计(各5个重复),对土壤理化性质、有机碳及其各活性组分进行测定与分析。与CK相比,MG显著降低了颗粒有机碳和微生物量碳含量,但显著提高了易氧化有机碳含量;HG显著降低了颗粒有机碳和可溶性有机碳含量。MG下的颗粒有机碳和微生物生物量碳含量显著高于HG。有机碳与其各活性组分均呈极显著正相关(P<0.05);土壤含水量和总氮是影响有机碳及其组分的关键因子。放牧总体上会降低典型草原有机碳及其活性组分含量。因此,建议避免重度放牧,在利用过程中结合水分调控与适度补氮以增强土壤碳固存,维持土壤质量与碳库功能。, authors=赫黎明1, 刘欣蕊1, 王忠武1, 闫佳1, 张挺祎1, 屈志强1, 李治国1, 张恒2, authorsList=赫黎明, 刘欣蕊, 王忠武, 闫佳, 张挺祎, 屈志强, 李治国, 张恒, authorCompany=1 内蒙古农业大学草业学院, 内蒙古 呼和浩特 010018;
2 内蒙古自治区锡林郭勒盟正镶白旗林草局, 内蒙古 锡林郭勒 013800, correspAuthors=null, authorNote=赫黎明(2000-),男,汉族,内蒙古通辽人,硕士研究生,主要从事草地资源生态与管理研究,E-mail:imauhlm@163.com, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=j1m24riPdVOpV0grs32jKQ==, pdfFileSize=2149032, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=内蒙古农业大学一流学科科研专项 (YLXKZX-NND-002); 内蒙古科技重大专项 (2024JBGS0011); 内蒙古农业大学草地资源教育部重点实验室资助)}, authors=null, keywords=[Keyword(id=1309579354145911786, tenantId=1146029695717560320, journalId=1308397196074385509, articleId=1309575149049963131, language=CN, orderNo=1, keyword=典型草原), Keyword(id=1309579354204632043, tenantId=1146029695717560320, journalId=1308397196074385509, articleId=1309575149049963131, language=CN, orderNo=2, keyword=放牧), 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放牧强度对锡林郭勒典型草原土壤有机碳及其活性组分的影响
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草地学报 | 研究论文 2026,34(9): 3403-3411
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草地学报 |研究论文 2026 , 34 (9) : 3403 -3411
放牧强度对锡林郭勒典型草原土壤有机碳及其活性组分的影响
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赫黎明1, 刘欣蕊1, 王忠武1, 闫佳1, 张挺祎1, 屈志强1, 李治国1, 张恒2
作者信息
    1 内蒙古农业大学草业学院, 内蒙古 呼和浩特 010018;
    2 内蒙古自治区锡林郭勒盟正镶白旗林草局, 内蒙古 锡林郭勒 013800
作者简介:
赫黎明(2000-),男,汉族,内蒙古通辽人,硕士研究生,主要从事草地资源生态与管理研究,E-mail:imauhlm@163.com
Effect of Grazing Intensity on the Soil Organic Carbon And its Active Components on Xilingol League Typical Steppe
  • HE Li-ming1, LIU Xin-rui1, WANG Zhong-wu1, YAN Jia1, ZHANG Ting-yi1, QU Zhi-qiang1, LI Zhi-guo1, ZHANG Heng2
  • Affiliations
      1 College of Grassland Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China;
      2. Forestry and Grassland Bureau of Zhengxiangbai Banner, Xilingol League, Inner Mongolia Autonomous Region, Zhengxiangbai Banner, Xilingol League, Inner Mongolia 013800, China
    doi: 10.11733/j.issn.1007-0435.2026.09.024
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    本研究旨在揭示不同放牧强度对锡林郭勒盟典型草原土壤活性有机碳组分的影响及其环境驱动机制,为草地生态系统碳管理策略提供实证支撑。在实验区设置不放牧(CK)、中度放牧(MG)和重度放牧(HG)3个处理,采用完全随机区组设计(各5个重复),对土壤理化性质、有机碳及其各活性组分进行测定与分析。与CK相比,MG显著降低了颗粒有机碳和微生物量碳含量,但显著提高了易氧化有机碳含量;HG显著降低了颗粒有机碳和可溶性有机碳含量。MG下的颗粒有机碳和微生物生物量碳含量显著高于HG。有机碳与其各活性组分均呈极显著正相关(P<0.05);土壤含水量和总氮是影响有机碳及其组分的关键因子。放牧总体上会降低典型草原有机碳及其活性组分含量。因此,建议避免重度放牧,在利用过程中结合水分调控与适度补氮以增强土壤碳固存,维持土壤质量与碳库功能。
    典型草原  /  放牧  /  土壤有机碳活性组分  /  生物量
    This study aimed to elucidate the effects of varying grazing intensities on soil active organic carbon fractions and their environmental driving mechanisms in the typical steppe of Xilingol League, which could provide empirical support for carbon management strategies in grassland ecosystems. Three grazing treatments—no grazing (CK), moderate grazing (MG), and heavy grazing (HG)—were established in the experimental area using a completely randomized block design with five replicates per treatment. Soil physicochemical properties, soil organic carbon (SOC), and its active fractions were quantified and analyzed. Compared to CK, MG significantly decreased the contents of particulate organic carbon (POC) and microbial biomass carbon (MBC), but significantly increased the easily oxidizable organic carbon (EOC) content. The HG treatment significantly reduced the contents of POC and dissolved organic carbon (DOC). Furthermore, POC and MBC contents under MG were significantly higher than those under HG. SOC exhibited a highly significant positive correlation with all its active fractions (P<0.05). Soil water content (SWC) and total nitrogen (TN) were identified as the key factors influencing SOC and its fractions. Overall, grazing reduced the contents of SOC and its active fractions in the typical steppe. Therefore, avoiding heavy grazing is recommended. Incorporating soil moisture regulation and moderate nitrogen supplementation during pasture utilization can enhance soil carbon sequestration, thereby maintaining soil quality and carbon pool functionality.
    Typical steppe  /  Grazing intensity  /  Active components of soil organic carbon  /  Biomass
    赫黎明, 刘欣蕊, 王忠武, 闫佳, 张挺祎, 屈志强, 李治国, 张恒. 放牧强度对锡林郭勒典型草原土壤有机碳及其活性组分的影响. 草地学报, 2026 , 34 (9) : 3403 -3411 . DOI: 10.11733/j.issn.1007-0435.2026.09.024
    HE Li-ming, LIU Xin-rui, WANG Zhong-wu, YAN Jia, ZHANG Ting-yi, QU Zhi-qiang, LI Zhi-guo, ZHANG Heng. Effect of Grazing Intensity on the Soil Organic Carbon And its Active Components on Xilingol League Typical Steppe[J]. Acta Agrestia Sinica, 2026 , 34 (9) : 3403 -3411 . DOI: 10.11733/j.issn.1007-0435.2026.09.024

      内蒙古农业大学一流学科科研专项 (YLXKZX-NND-002); 内蒙古科技重大专项 (2024JBGS0011); 内蒙古农业大学草地资源教育部重点实验室资助

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    2026年第34卷第9期
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    2种不同金属材料的力学参数
    科
    Family
    属数
    Number of
    genus
    种数
    Number of
    species
    占总种数比例
    Percentage of
    total species (%)
    属
    Genus
    种数
    Number of
    species
    占总种数比例
    Percentage of total
    species (%)
    鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
    小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
    多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
    红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
    小菇属 Mycena 11 5.26
    光柄菇属 Pluteus 5 2.39
    红菇属 Russula 17 8.13
    栓菌属 Trametes 5 2.39
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