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2 Fujian Provincial Higher Education Engineering Research Center for Biomedicine and Health, Fuzhou, Fujian Province 351000, China;
3 Xilingol League Grassland Workstation, Xilinhot, Inner Mongolia 026000, 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=1309574787119280394, articleId=1309574786880205065, tenantId=1146029695717560320, journalId=1308397196074385509, language=CN, title=狼毒扩张对内蒙古典型草原植被群落特征的影响, columnId=1309565376569114713, journalTitle=草地学报, columnName=技术研发, runingTitle=null, highlight=null, articleAbstract=狼毒（Stellera chamaejasme）扩张是草原退化的重要标志，显著改变草原群落结构与功能。本研究以锡林郭勒盟西乌珠穆沁旗天然典型草原为对象，对比狼毒型退化草原（SS）、非狼毒型退化草原（NS）与未退化草原（CK）的群落特征差异。结果显示：（1）草原退化降低群落高度和盖度，但SS群落高度高于NS，同时SS地上生物量显著高于CK和NS；（2）NS物种数量及多样性指数低于SS，且形成以糙隐子草（Cleistogenes squarrosa）为优势种的群落；（3）两种退化草原优势科与功能群累积优势度无显著差异，但在功能群组成百分比中NS以多年生禾草（Pg）为主，SS中多年生杂类草（Pf）占比最高。综上，狼毒扩张虽然导致了群落组成发生变化和物种减少，却维持了群落多样性与较高地上生物量，其群落可能处于“替代稳态”。因此，狼毒型退化草原的恢复策略需区别于其他退化类型草原。, authors=陈艺豪¹, 郭娜², 郝丽芬¹, 李宇宇¹, 娜木日嘎³, 郭丽珠¹, 林克剑¹, authorsList=陈艺豪, 郭娜, 郝丽芬, 李宇宇, 娜木日嘎, 郭丽珠, 林克剑, authorCompany=1 农业农村部人工草地生物灾害监测与绿色防控重点实验室/内蒙古自治区草原保护生态学重点实验室/中国农业科学院草原研究所, 内蒙古 呼和浩特 010010;
2 福建生物工程职业技术学院, 福建 福州 351000;
3 锡林郭勒盟草原工作站, 内蒙古 锡林浩特 026000, correspAuthors=null, authorNote=陈艺豪（2000-），男，汉族，内蒙古通辽人，硕士研究生，主要从事草地生态研究，E-mail:1763418421@qq.com;郭娜（1986-），女，汉族，福建龙岩人，硕士研究生，主要从事中药资源开发与利用研究，E-mail:gn19860908@163.com, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=K5Ip1Je9TApobBtwu89nYA==, pdfFileSize=4308293, 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=国家自然基金 (32401495); 国家重点研发计划项目 (2023YFD1400505))}, authors=null, keywords=[Keyword(id=1309574864390938833, tenantId=1146029695717560320, journalId=1308397196074385509, articleId=1309574786880205065, language=CN, orderNo=1, keyword=狼毒), Keyword(id=1309574864453853394, tenantId=1146029695717560320, journalId=1308397196074385509, articleId=1309574786880205065, language=CN, 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