Article(id=1309569662015336980, tenantId=1146029695717560320, journalId=1308397196074385509, issueId=1309569631556301196, articleNumber=null, orderNo=null, doi=10.11733/j.issn.1007-0435.2026.02.026, pmid=null, cstr=null, oa=null, hot=0, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1743609600000, receivedDateStr=2025-04-03, revisedDate=1747670400000, revisedDateStr=2025-05-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1790155338051, onlineDateStr=2026-09-23, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790155338051, onlineIssueDateStr=2026-09-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790155338051, creator=13701087609, updateTime=1790155338051, updator=13701087609, issue=Issue{id=1309569631556301196, tenantId=1146029695717560320, journalId=1308397196074385509, year='2026', volume='34', issue='2', pageStart='377', pageEnd='744', issueExtLink='null', onlineDate='null', pubDate='1771084800000', pubDateStr='2026-02-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790155330790, creator='13701087609', updateTime=1790156750858, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1309575588013244561, tenantId=1146029695717560320, journalId=1308397196074385509, issueId=1309569631556301196, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1309575588017438866, tenantId=1146029695717560320, journalId=1308397196074385509, issueId=1309569631556301196, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=643, endPage=652, ext={EN=ArticleExt(id=1309569662401212950, articleId=1309569662015336980, tenantId=1146029695717560320, journalId=1308397196074385509, language=EN, title=Effects of Litter Addition on Soil Enzyme Activitie and Stoichiometric Ratio in Sagebrush Desert Grassland, columnId=null, journalTitle=Acta Agrestia Sinica, columnName=null, runingTitle=null, highlight=null, articleAbstract=This study investigated the effects of different addition levels （0， 2.5， 5.0， 7.5 g） of Seriphidium transiliense leaf litter on the enzyme activities and stoichiometric ratios of β-1，4-glucosidase （βG）， N-acetyl-β-glucosaminidase （NAG）， leucine aminopeptidase （LAP）， and alkaline phosphatase （AP） in 100.0 g of soil from Sagebrush desert grassland during 320 d （T₁）， 410 d （T₂）， and 500 d （T₃） of decomposition using an outdoor Mason jar incubation method. The results showed that enzyme activities generally decreased over the decomposition period. Specifically， the βG activity in the 5.0 g treatment at T₂ was significantly higher than that at T₁ and T₃ by 12.16% and 20.53%， respectively （P<0.05）. The NAG activity in the 7.5 g treatment at T₁ was significantly higher than that at T₂ and T₃ by 19.19% and 19.10%， respectively （P<0.05）. Enzyme activities initially decreased and then increased with increasing litter addition. At T₃， the 7.5 g treatment significantly enhanced NAG activity while reducing LAP activity （P<0.05）. The average soil enzyme stoichiometric ratios of C∶N， C∶P， and N∶P were 0.65， 0.91， and 1.41， respectively， with a C∶N∶P stoichiometric ratio of 1∶1.26∶1.05， with the vector angles less than 45°. In conclusion， soil enzyme activities and their stoichiometric ratios were co-regulated by both litter addition amount and decomposition stage， and were constrained by soil nitrogen limitation., authors=MA Peng¹, ZHOU Lei¹, SUN Zong-jiu^1,2,3, Asitaiken·Julihaiti¹, WEI Peng⁴, authorsList=MA Peng, ZHOU Lei, SUN Zong-jiu, Asitaiken·Julihaiti, WEI Peng, authorCompany=1 College of Grassland Science, Xinjiang Agricultural University, Urumqi, Xinjiang 830052, China;
2 Xinjiang Key Laboratory of Grassland Resources and Ecology, Urumqi, Xinjiang 830052, China;
3 Key Laboratory of Grassland Resources and Ecology of Western Arid Region, Ministry of Education, Urumqi, Xinjiang 830052, China;
4 Xinjiang Uygyr Automomous Region Academy of Animal Science, Urumqi, Xinjiang 830052, 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=1309569662317326869, articleId=1309569662015336980, tenantId=1146029695717560320, journalId=1308397196074385509, language=CN, title=凋落物添加对蒿类荒漠草地土壤酶活性及其化学计量比的影响, columnId=1309565024058835950, journalTitle=草地学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=本研究以伊犁绢蒿（Seriphidium transiliense）叶凋落物和蒿类荒漠土壤为对象，采用梅森瓶室外培养法，探讨叶凋落物不同添加量（0，2.5，5.0，7.5 g）分解320 d（T₁）、410 d（T₂）、500 d（T₃）对100.0 g土壤β-1，4-葡萄糖苷酶（β-1，4-glucosidase，βG）、N乙酰-β-氨基葡萄糖苷酶（N acetyl-β-glucosamine enzymes，NAG）、亮氨酸氨基肽酶（Leucine aminopeptidase，LAP）、碱性磷酸酶（Alkaline phosphatase，AP）活性及其化学计量比的影响。结果表明：酶活性总体随凋落物分解时间的推移递减，其中5.0 g处理在T₂阶段βG活性显著高于T₁、T₃阶段12.16%，20.53%（P<0.05），7.5 g处理在T₁阶段NAG活性显著高于T₂、T₃阶段19.19%，19.10%（P<0.05）；酶活性随添加量增加呈先降后升趋势，T₃阶段7.5 g处理显著增加NAG活性并降低LAP活性（P<0.05）；土壤酶C∶N、C∶P、N∶P平均值分别为0.65，0.91，1.41，C∶N∶P化学计量比为1∶1.26∶1.05，矢量角度均小于45°。综上，土壤酶活性及其化学计量比受凋落物添加量与分解阶段共同调控，且受土壤氮限制。, authors=马鹏¹, 周磊¹, 孙宗玖^1,2,3, 阿斯太肯·居力海提¹, 魏鹏⁴, authorsList=马鹏, 周磊, 孙宗玖, 阿斯太肯·居力海提, 魏鹏, authorCompany=1 新疆农业大学草业学院, 新疆 乌鲁木齐 830052;
2 新疆草地资源与生态自治区重点实验室, 新疆 乌鲁木齐 830052;
3 西部干旱区草地资源与生态教育部重点实验室, 新疆 乌鲁木齐 830052;
4 新疆维吾尔自治区畜牧科学院, 新疆 乌鲁木齐 830052, correspAuthors=null, authorNote=马鹏（1998-），男，回族，甘肃平凉人，硕士研究生，主要从事草地资源与生态方面的研究，E-mail:2864347311@qq.com, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=W4fl6QJvb2CmHr0U4xpiag==, pdfFileSize=1784419, 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 (32060408); 新疆维吾尔自治区重点实验室开放课题 (2022D04003); 新疆维吾尔自治区高校基本科研业务费 (XJEDU2022J006); 新疆维吾尔自治区自然科学基金 (2024D01A41))}, authors=null, keywords=[Keyword(id=1309569662548013591, tenantId=1146029695717560320, journalId=1308397196074385509, articleId=1309569662015336980, language=CN, orderNo=1, keyword=凋落物), Keyword(id=1309569662657065496, tenantId=1146029695717560320, journalId=1308397196074385509, articleId=1309569662015336980, 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