生物土壤结皮研究进展与热点——基于CiteSpace和HistCite计量分析

doi:10.16843/j.sswc.2019.05.017

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Abstract [Background] Biological soil crust (BSC) is an integral part of ecosystems, playing an important role in soil hydrology, nutrients cycling and stabilizing soils. Summarizing the research trends of BSC in China and abroad would provide reference basis for relevant research.[Methods] CiteSpace and HistCite were employed to explore the number, keywords and research team based on the literatures selected from CNKI and Web of Science core database. In Web of Science,searching pattern was TS=(biological crusts or biological soil crusts or biocrust or moss soil crusts or lichen soil crusts or cyanobacterial soil crusts or algal soil crusts) not TS=(sea or marine or ocean or reservoir or lake or physical soil crusts or salt crusts or bread or aquatic or drug or crystalline lattice) and TS=soil. In CNKI, searching pattern was SU=‘biological crusts’ or SU=‘crust*’ or SU=‘biological soil crusts’ or SU=‘algal crust’ or SU=‘moss crust’ or SU=‘lichen’ or SU=‘mixed algal-moss crust’.[Results] 1) The number of published articles in the field of BSC appeared an overall upward trend. More specifically, USA and China were the top two countries contributing to these articles, while Cold and Arid Regions Environmental and Engineering Research Institute and Xinjiang Institute of Ecology and Geography of Chinese Academy of Sciences were the top two institutions in China. 2) Compared with other countries, China's BSC research started relatively late, but the numbers of articles increased sharply since 2000; further, some research area in China have been hot regions of international BSC research. The composition, succession and seasonal change of BSC and their effects on carbon and nitrogen cycling, soil physical and chemical properties, soil hydrological process and soil erosion, as well as responses of BSC to disturbance were research hotspots. 3) It has formed some core academic teams with LI Xinrong in the Cold and Arid Regions Environmental and Engineering Research Institute of CAS, ZHANG Yuanming in the Xinjiang Institute of Ecology and Geography of CAS, ZHAO Yunge in the Northwest A&F University and BU Chongfeng in the Northwest A&F University, and LIU Yongding in the Institute of Hydrobiology, CAS. Moreover, there was a strong cooperative relationship among three teams of LI Xinrong, ZHANG Yuanming and ZHAO Yunge.[Conclusions] Through summarizing and analyzing research focus issues and research hotspot BSC, it is conducive to researchers to comprehensively understand research history and present situation of BSC at home and abroad.

Key words： biological soil crust research trends knowledge graph Web of Science database CNKI database

Received: 20 December 2018

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S151.9

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	GUO Zhonglu
	CAI Chongfa

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GUO Zhonglu,CAI Chongfa. Research status and hotspots of biological soil crust based on CiteSpace and HistCite[J]. SSWC, 2019, 17(5): 146-156.

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http://journal12.magtechjournal.com/Jweb_stbc/EN/10.16843/j.sswc.2019.05.017 OR http://journal12.magtechjournal.com/Jweb_stbc/EN/Y2019/V17/I5/146

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