干旱区生态环境知识资源中心(Arid): The influence of flint stones on a soil microbial community in the northern Negev Desert

Arid

DOI	10.3934/microbiol.2017.3.580
	The influence of flint stones on a soil microbial community in the northern Negev Desert
	Wasserstrom, Haggai; Ben-Ezra, Vered Elias; Sherman, Chen; Unc, Adrian; Steinberger, Yosef
通讯作者	Steinberger, Y
来源期刊	AIMS MICROBIOLOGY
ISSN	2471-1888
出版年	2017
卷号	3 期号:3 页码:580-595
英文摘要	In the Negev Desert ecosystems, flint-stone cover on slopes acts as a barrier against water flow. As a result, soil moisture increases and organic matter accumulates under the stone and in the immediate surroundings, both affecting the duration of soil microbial activity. On the other hand, during the dry season (characterized by approximately 210 dew nights), flint-stone cover plays an important role in the formation of dew, which eventually trickles down beneath the stone, correspondingly enhancing biological activity. The present study examined the possible role of flint stones as hotspots for soil microbial-community activity and diversity. The results were compared with those obtained from the adjacent stone-free soils in the open spaces (OS), which served as controls. Microbial activity (respiration and biomass) and functional diversity were determined by the MicroResp (TM) method. In addition, estimates of genetic diversity and viable counts of bacteria and fungi [colony-forming units (CFUs)] were obtained. The soil was significantly wetter and contained more organic matter beneath the flint stones (BFS). As hypothesized, biological activity was enhanced under the stones, as described by CO2 evolution, microbial-community biomass functional diversity, and fungal phylogenetic diversity. BFS environments favored a greater range of catabolic functions. Taxa generally known for their stress resilience were found in the OS habitats. The results of this study elucidate the importance of flint-stone cover to soil microbial biomass, community activity, and functional diversity in the northern Negev Desert.
英文关键词	flint stone microbial community functional diversity beneath-stone microbial activity desert environment
类型	Article
语种	英语
开放获取类型	Other Gold, Green Published
收录类别	ESCI
WOS记录号	WOS:000406747800008
WOS关键词	BIOMASS ; IDENTIFICATION ; AMENDMENTS ; DIVERSITY ; ISRAEL ; QCO2 ; DEW
WOS类目	Microbiology
WOS研究方向	Microbiology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/332200
作者单位	[Wasserstrom, Haggai; Ben-Ezra, Vered Elias; Sherman, Chen; Steinberger, Yosef] Bar Ilan Univ, Mina & Everard Goodman Fac Life Sci, IL-5290002 Ramat Gan, Israel; [Unc, Adrian] Mem Univ Newfoundland, Sch Sci & Environm, Corner Brook, NF A2H 5G4, Canada
推荐引用方式 GB/T 7714	Wasserstrom, Haggai,Ben-Ezra, Vered Elias,Sherman, Chen,et al. The influence of flint stones on a soil microbial community in the northern Negev Desert[J],2017,3(3):580-595.
APA	Wasserstrom, Haggai,Ben-Ezra, Vered Elias,Sherman, Chen,Unc, Adrian,&Steinberger, Yosef.(2017).The influence of flint stones on a soil microbial community in the northern Negev Desert.AIMS MICROBIOLOGY,3(3),580-595.
MLA	Wasserstrom, Haggai,et al."The influence of flint stones on a soil microbial community in the northern Negev Desert".AIMS MICROBIOLOGY 3.3(2017):580-595.