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学科主题: 生物科学::普通生物学
题名: Plant Identity Exerts Stronger Effect than Fertilization on Soil Arbuscular Mycorrhizal Fungi in a Sown Pasture
作者: Zheng, Y (Zheng, Yong)1; Chen, L (Chen, Liang)2; Luo, CY (Luo, Cai-Yun)3; Zhang, ZH (Zhang, Zhen-Hua)3; Wang, SP (Wang, Shi-Ping)4; Guo, LD (Guo, Liang-Dong)1
通讯作者: Guo, LD
关键词: TALLGRASS PRAIRIE ; ALPINE MEADOW ; LAND-USE ; NITROGEN-FERTILIZATION ; ECOSYSTEM RESPIRATION ; COMMUNITY COMPOSITION ; GRASSLAND ECOSYSTEM ; TIBETAN PLATEAU ; NORTH CHINA ; DIVERSITY
刊名: MICROBIAL ECOLOGY
发表日期: 2016
DOI: 10.1007/s00248-016-0817-6
卷: 72, 期:3, 页:647-658
收录类别: SCI
合作性质: 国内
文章类型: Article
部门归属: 生态
英文摘要: Arbuscular mycorrhizal (AM) fungi play key roles in plant nutrition and plant productivity. AM fungal responses to either plant identity or fertilization have been investigated. However, the interactive effects of different plant species and fertilizer types on these symbiotic fungi remain poorly understood. We evaluated the effects of the factorial combinations of plant identity (grasses Avena sativa and Elymus nutans and legume Vicia sativa) and fertilization (urea and sheep manure) on AM fungi following 2-year monocultures in a sown pasture field study. AM fungal extraradical hyphal density was significantly higher in E. nutans than that in A. sativa and V. sativa in the unfertilized control and was significantly increased by urea and manure in A. sativa and by manure only in E. nutans, but not by either fertilizers in V. sativa. AM fungal spore density was not significantly affected by plant identity or fertilization. Forty-eight operational taxonomic units (OTUs) of AM fungi were obtained through 454 pyrosequencing of 18S rDNA. The OTU richness and Shannon diversity index of AM fungi were significantly higher in E. nutans than those in V. sativa and/or A. sativa, but not significantly affected by any fertilizer in all of the three plant species. AM fungal community composition was significantly structured directly by plant identity only and indirectly by both urea addition and plant identity through soil total nitrogen content. Our findings highlight that plant identity has stronger influence than fertilization on belowground AM fungal community in this converted pastureland from an alpine meadow.
语种: 英语
WOS记录号: WOS:000383470800015
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7597
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Microbiol, State Key Lab Mycol, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810008, Peoples R China
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Lab Alpine Ecol & Biodivers, Beijing 100101, Peoples R China

Recommended Citation:
Zheng, Y ,Chen, L ,Luo, CY ,et al. Plant Identity Exerts Stronger Effect than Fertilization on Soil Arbuscular Mycorrhizal Fungi in a Sown Pasture[J]. MICROBIAL ECOLOGY,2016,72(3):647-658.
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文件名: V.72(3) 647-658 2016.pdf
格式: Adobe PDF
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