首页|放牧强度对内蒙古草原土壤微生物多样性和生态系统多功能性影响的Meta分析

放牧强度对内蒙古草原土壤微生物多样性和生态系统多功能性影响的Meta分析

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[目的]探究放牧强度对内蒙古草原土壤微生物多样性和单个生态系统功能指标的影响,综合评估生态系统多功能性(EMF)对放牧强度的响应.[方法]本研究采用Meta分析的方法,对29篇内蒙古草原放牧强度对生态系统多功能性影响的文章进行整合分析.[结果]细菌多样性比真菌多样性对放牧强度的响应更敏感,重度放牧显著降低细菌Shannon-Wiener指数.中度和重度放牧显著降低内蒙古地区草地生态系统多功能性.真菌多样性在调节内蒙古地区草地生态系统多功能性中具有重要作用.[结论]建议在内蒙古草原进行轻度放牧,以促进草地生态系统健康持续发展.
Meta-analysis of effect of grazing intensity on soil microbial diversity and ecosystem multifunctionality of grassland ecosystems in Inner Mongolia
[Objective]To investigate the effects of grazing intensity on soil microbial diversity and individual ecosystem function indicators in Inner Mongolia grasslands,and to comprehensively assess the response of ecosystem multifunctionality(EMF)to grazing intensity.[Method]This study employed a Meta-analysis approach,integrat-ing data from 29 articles that examined the effects of grazing intensity on ecosystem multifunctionality in Inner Mon-golia.[Result]The findings indicate that bacterial diversity is more sensitive to grazing intensity compared to fungal diversity,with severe grazing significantly reducing the Shannon-Wiener index of bacteria.Moderate and heavy grazing significantly decrease the multifunctionality of grassland ecosystems in the Inner Mongolia region.Fungal di-versity plays a crucial role in regulating the multifunctionality of grassland ecosystems in Inner Mongolia.[Conclu-sion]It is recommended to implement light grazing in Inner Mongolia grasslands to promote the healthy and sustain-able development of grassland ecosystems.

grazing intensitysoil bacterialdiversitysoil fungi diversityecosystem multifunctionalityInner Mongolia grassland

姚泽英、张德罡、邵新庆、冶文哥、贾才让东珠

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甘肃农业大学草业学院,草业生态系统教育部重点实验室,甘肃省草业工程实验室,中-美草地畜牧业可持续发展研究中心,甘肃 兰州 730070

中国农业大学草业科学与技术学院,北京 100193

青海省海北州祁连县野牛沟林场边麻管护站,青海 海北 810499

放牧强度 细菌多样性 真菌多样性 生态系统多功能性 内蒙古草原

2024

草原与草坪
中国草学会 甘肃农业大学

草原与草坪

CSTPCD
影响因子:0.686
ISSN:1009-5500
年,卷(期):2024.44(5)