气候变化领域集成服务门户(CCPortal): Plant Identity Exerts Stronger Effect than Fertilization on Soil Arbuscular Mycorrhizal Fungi in a Sown Pasture

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DOI	10.1007/s00248-016-0817-6
	Plant Identity Exerts Stronger Effect than Fertilization on Soil Arbuscular Mycorrhizal Fungi in a Sown Pasture
	Zheng, Yong; Chen, Liang; Luo, Cai-Yun; Zhang, Zhen-Hua; Wang, Shi-Ping; Guo, Liang-Dong
通讯作者	Guo, LD (通讯作者)
发表日期	2016
ISSN	0095-3628
EISSN	1432-184X
起始页码	647
结束页码	658
卷号	72 期号:3
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.
关键词	LAND-USE ECOSYSTEM RESPIRATION COMMUNITY COMPOSITION NITROGEN ADDITION ALPINE MEADOW DIVERSITY BIODIVERSITY ENRICHMENT RESPONSES STEPPE
英文关键词	454 pyrosequencing; AM fungi; Community composition; Fertilization; Plant identity; Sown pasture
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Microbiology
WOS类目	Ecology ; Marine & Freshwater Biology ; Microbiology
WOS记录号	WOS:000383470800015
来源期刊	MICROBIAL ECOLOGY
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/258668
推荐引用方式 GB/T 7714	Zheng, Yong,Chen, Liang,Luo, Cai-Yun,et al. Plant Identity Exerts Stronger Effect than Fertilization on Soil Arbuscular Mycorrhizal Fungi in a Sown Pasture[J]. 中国科学院青藏高原研究所,2016,72(3).
APA	Zheng, Yong,Chen, Liang,Luo, Cai-Yun,Zhang, Zhen-Hua,Wang, Shi-Ping,&Guo, Liang-Dong.(2016).Plant Identity Exerts Stronger Effect than Fertilization on Soil Arbuscular Mycorrhizal Fungi in a Sown Pasture.MICROBIAL ECOLOGY,72(3).
MLA	Zheng, Yong,et al."Plant Identity Exerts Stronger Effect than Fertilization on Soil Arbuscular Mycorrhizal Fungi in a Sown Pasture".MICROBIAL ECOLOGY 72.3(2016).