基于文献计量的荒漠灌丛研究现状及热点分析

以中国期刊全文数据库(CNKI)和Web of science数据库中与荒漠灌丛有关的文献为国内和国际文献基础数据源,利用Origin 2019按年份统计发文量、论文增长率和文献共被引次数,通过Bibexcel将筛选出的高频关键词生成共词矩阵,利用Ucinet和Netdraw等软件得出高频关键词共现网络化可视图。利用SPSS进行聚类分析,将高频关键词分为4大群集,分析荒漠灌丛领域研究趋势和热点问题。结果表明:(1)国际与国内荒漠灌丛研究在发文量上虽然个别年份有所回落,但整体呈上升趋势。(2)国际上对于荒漠灌丛均为小尺度研究,物种入侵、促进作用、竞争关系为国际关于荒漠灌丛领域的研究现状,而国内关于荒漠灌丛方面的研究热点则侧重于大尺度上的空间分布规律及其空间异质性。总结得出,荒漠灌丛的研究在国内外都是重点问题,国内对于荒漠灌丛的研究热点在其空间分布格局,国际上对于荒漠灌丛的研究倾向于其竞争关系分析。

Research Status and Hot Spot Analysis of Desert Shrub based on Bibliometrics

Taking the literature related to desert shrub in CNKI and Web of science databases as the basic data sources of domestic and international literature,the number of publications,the increasing rate of papers and the total citation have been counted by year with Origin 2019.The selected high-frequency keywords generate a co-word matrix according to Bibexcel.The co-occurrence network view of high-frequency keywords is obtained by Ucinet and Netdraw software.The high-frequency keywords are divided into four groups to analyze the research trends and hot issues in the field of desert shrub through cluster analysis with SPSS.The results show that,(1)The number of international and domestic research papers about desert shrub has declined in individual year,but it shows an overall upward trend.(2)The international researches on desert shrub are small-scale.Species invasion,promotion and competition are the international research status for desert shrub,while the domestic research on desert shrub focuses on the spatial distribution and spatial heterogeneity in large scale.It is concluded that the research on desert shrub is an important problem at home and abroad.The domestic research hotspot of desert shrub is its spatial distribution pattern,and the international research on desert shrub inclines to analyze its competitive relationship.