Article(id=1309569840499753870, tenantId=1146029695717560320, journalId=1308397196074385509, issueId=1309569821424051089, articleNumber=null, orderNo=null, doi=10.11733/j.issn.1007-0435.2026.03.026, pmid=null, cstr=null, oa=null, hot=0, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1743350400000, receivedDateStr=2025-03-31, revisedDate=1748188800000, revisedDateStr=2025-05-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1790155380605, onlineDateStr=2026-09-23, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790155380605, onlineIssueDateStr=2026-09-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790155380605, creator=13701087609, updateTime=1790155380605, updator=13701087609, issue=Issue{id=1309569821424051089, tenantId=1146029695717560320, journalId=1308397196074385509, year='2026', volume='34', issue='3', pageStart='745', pageEnd='1136', issueExtLink='null', onlineDate='null', pubDate='1773504000000', pubDateStr='2026-03-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790155376058, creator='13701087609', updateTime=1790156773348, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1309575682133422151, tenantId=1146029695717560320, journalId=1308397196074385509, issueId=1309569821424051089, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1309575682133422152, tenantId=1146029695717560320, journalId=1308397196074385509, issueId=1309569821424051089, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1029, endPage=1040, ext={EN=ArticleExt(id=1309569840885629840, articleId=1309569840499753870, tenantId=1146029695717560320, journalId=1308397196074385509, language=EN, title=Distribution of Alpine Meadow Grassy Hills Under the Moisture Gradient Induced by Vegetation Habitats Spatial Change Pattern, columnId=null, journalTitle=Acta Agrestia Sinica, columnName=null, runingTitle=null, highlight=null, articleAbstract=In alpine meadows, the surface soil heaves to form hummocks under the influence of frost heaving, transforming the originally relatively homogeneous habitat into a heterogeneous one. In this study, 9 sampling plots were established along a soil moisture gradient in the alpine meadows of the Western Sichuan Plateau. We compared and analyzed the differences in plant communities and species diversity between hummocks and inter-hummock meadows under different soil moisture conditions. The results showed that: Soil physical properties and soil chemical properties exerted effects on the plant diversity of hummocks and inter-hummock meadows, respectively. The plant community on hummocks gradually transitioned from Kobresia (sedge)-dominated vegetation to shrub-dominated vegetation, while the plant community in inter-hummock meadows gradually shifted from Carex (sedge) and Kobresia-dominated vegetation to grass-dominated vegetation. The abundance of weedy plants and occasional species in hummocks was significantly higher than that in inter-hummock meadows. Habitat aridification increased the dissimilarity in species composition between hummocks and inter-hummock meadows, and the dissimilarity in species composition of hummocks was higher under different soil moisture conditions. In conclusion, hummocks tend to aridify the microhabitat and provide favorable conditions for the invasion of occasional species. Although hummocks increase plant diversity, they have a negative impact on the stability of alpine meadow vegetation. This research holds significant implications for guiding the conservation and management of alpine meadow vegetation., authors=ZHANG Yu-kun1,2, WANG Hong-bin3, LI Chen-hui3, ZHANG Da-cai3, authorsList=ZHANG Yu-kun, WANG Hong-bin, LI Chen-hui, ZHANG Da-cai, authorCompany=1 Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai Province 810008, China;
2 Qinghai Sanjiangyuan Grassland Ecosystem National Field Scientific Observation and Research Station, Xining, Qinghai Province 810008, China;
3 Key Laboratory of Biodiversity Conservation in Southwest China, National Forestry and Grassland Administration, College of Forestry, Southwest Forestry University, Kunming, Yunnan Province 650224, 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=1309569840784966543, articleId=1309569840499753870, tenantId=1146029695717560320, journalId=1308397196074385509, language=CN, title=水分梯度下高寒草甸草丘分布引起植被生境的空间变化, columnId=1309565024058835950, journalTitle=草地学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=高寒草甸受冻胀作用的影响,表层土壤隆起形成草丘,使原本较同质的生境异质化。本研究在川西高原高寒草甸沿土壤水分梯度设置9个样地,对比分析了不同土壤水分条件下草丘和丘间草地植物群落及物种多样性的差异,这项研究对于指导高寒草甸植被的保护与管理具有重要意义。结果表明:土壤物理性质和土壤化学性质分别对草丘和丘间草地的植物多样性产生影响。沿土壤水分梯度,草丘植物群落由嵩草类植物逐渐向灌丛类植物过渡,而丘间草地植物群落则由苔草类和嵩草类植物逐渐向禾草类植物过渡。草丘中的杂类草植物和偶见种植物数量显著高于丘间草地,生境干旱化导致草丘和丘间草地的物种组成相异性增大且不同土壤水分条件下草丘物种组成相异性更高。综上所述,草丘使微生境趋于干旱化且为偶见种植物的侵入提供了有利条件,但植物多样性增加的同时对高寒草甸植被的稳定性具有负面影响。, authors=张煜坤1,2, 王洪斌3, 李辰晖3, 张大才3, authorsList=张煜坤, 王洪斌, 李辰晖, 张大才, authorCompany=1 中国科学院西北高原生物研究所, 青海 西宁 810008;
2 青海三江源草地生态系统国家野外科学观测研究站, 青海 西宁 810008;
3 国家林业和草原局西南地区生物多样性保育重点实验室, 西南林业大学林学院, 云南 昆明 650224, correspAuthors=null, authorNote=张煜坤(1994-),男,汉族,青海格尔木人,硕士,主要从事生态环境保护,E-mail:124203919@qq.com, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=CPN5ZZQmlqjVPWP5r4rtUQ==, pdfFileSize=1808396, 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=国家自然科学基金项目 (31960340))}, authors=null, keywords=[Keyword(id=1309569841019847569, tenantId=1146029695717560320, journalId=1308397196074385509, articleId=1309569840499753870, language=CN, orderNo=1, keyword=高寒草甸), Keyword(id=1309569841107927954, tenantId=1146029695717560320, journalId=1308397196074385509, articleId=1309569840499753870, language=CN, orderNo=2, keyword=空间分异), Keyword(id=1309569841233757075, 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水分梯度下高寒草甸草丘分布引起植被生境的空间变化
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草地学报 | 研究论文 2026,34(3): 1029-1040
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草地学报 |研究论文 2026 , 34 (3) : 1029 -1040
水分梯度下高寒草甸草丘分布引起植被生境的空间变化
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张煜坤1,2, 王洪斌3, 李辰晖3, 张大才3
作者信息
    1 中国科学院西北高原生物研究所, 青海 西宁 810008;
    2 青海三江源草地生态系统国家野外科学观测研究站, 青海 西宁 810008;
    3 国家林业和草原局西南地区生物多样性保育重点实验室, 西南林业大学林学院, 云南 昆明 650224
作者简介:
张煜坤(1994-),男,汉族,青海格尔木人,硕士,主要从事生态环境保护,E-mail:124203919@qq.com
Distribution of Alpine Meadow Grassy Hills Under the Moisture Gradient Induced by Vegetation Habitats Spatial Change Pattern
  • ZHANG Yu-kun1,2, WANG Hong-bin3, LI Chen-hui3, ZHANG Da-cai3
  • Affiliations
      1 Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai Province 810008, China;
      2 Qinghai Sanjiangyuan Grassland Ecosystem National Field Scientific Observation and Research Station, Xining, Qinghai Province 810008, China;
      3 Key Laboratory of Biodiversity Conservation in Southwest China, National Forestry and Grassland Administration, College of Forestry, Southwest Forestry University, Kunming, Yunnan Province 650224, China
    doi: 10.11733/j.issn.1007-0435.2026.03.026
    文章导航
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    高寒草甸受冻胀作用的影响,表层土壤隆起形成草丘,使原本较同质的生境异质化。本研究在川西高原高寒草甸沿土壤水分梯度设置9个样地,对比分析了不同土壤水分条件下草丘和丘间草地植物群落及物种多样性的差异,这项研究对于指导高寒草甸植被的保护与管理具有重要意义。结果表明:土壤物理性质和土壤化学性质分别对草丘和丘间草地的植物多样性产生影响。沿土壤水分梯度,草丘植物群落由嵩草类植物逐渐向灌丛类植物过渡,而丘间草地植物群落则由苔草类和嵩草类植物逐渐向禾草类植物过渡。草丘中的杂类草植物和偶见种植物数量显著高于丘间草地,生境干旱化导致草丘和丘间草地的物种组成相异性增大且不同土壤水分条件下草丘物种组成相异性更高。综上所述,草丘使微生境趋于干旱化且为偶见种植物的侵入提供了有利条件,但植物多样性增加的同时对高寒草甸植被的稳定性具有负面影响。
    高寒草甸  /  空间分异  /  物种多样性  /  草丘  /  丘间草地
    In alpine meadows, the surface soil heaves to form hummocks under the influence of frost heaving, transforming the originally relatively homogeneous habitat into a heterogeneous one. In this study, 9 sampling plots were established along a soil moisture gradient in the alpine meadows of the Western Sichuan Plateau. We compared and analyzed the differences in plant communities and species diversity between hummocks and inter-hummock meadows under different soil moisture conditions. The results showed that: Soil physical properties and soil chemical properties exerted effects on the plant diversity of hummocks and inter-hummock meadows, respectively. The plant community on hummocks gradually transitioned from Kobresia (sedge)-dominated vegetation to shrub-dominated vegetation, while the plant community in inter-hummock meadows gradually shifted from Carex (sedge) and Kobresia-dominated vegetation to grass-dominated vegetation. The abundance of weedy plants and occasional species in hummocks was significantly higher than that in inter-hummock meadows. Habitat aridification increased the dissimilarity in species composition between hummocks and inter-hummock meadows, and the dissimilarity in species composition of hummocks was higher under different soil moisture conditions. In conclusion, hummocks tend to aridify the microhabitat and provide favorable conditions for the invasion of occasional species. Although hummocks increase plant diversity, they have a negative impact on the stability of alpine meadow vegetation. This research holds significant implications for guiding the conservation and management of alpine meadow vegetation.
    Alpine meadow  /  Spatial differentiation  /  Species diversity  /  Grass hummocks  /  Inter-hummock meadows
    张煜坤, 王洪斌, 李辰晖, 张大才. 水分梯度下高寒草甸草丘分布引起植被生境的空间变化. 草地学报, 2026 , 34 (3) : 1029 -1040 . DOI: 10.11733/j.issn.1007-0435.2026.03.026
    ZHANG Yu-kun, WANG Hong-bin, LI Chen-hui, ZHANG Da-cai. Distribution of Alpine Meadow Grassy Hills Under the Moisture Gradient Induced by Vegetation Habitats Spatial Change Pattern[J]. Acta Agrestia Sinica, 2026 , 34 (3) : 1029 -1040 . DOI: 10.11733/j.issn.1007-0435.2026.03.026

      国家自然科学基金项目 (31960340)

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    2026年第34卷第3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 (%)
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    Genus
    种数
    Number of
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    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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