近50年来全球农田保护的知识图谱研究

为了准确把握全球农田保护研究动态与变化规律,采用文献计量方法和可视化软件Citespace及Citespace辅助软件,对中国学术期刊全文数据库CNKI及外文学术期刊数据Web of Science中农田保护相关文献从载文量、文献来源、作者分布及引文情况展开分析,从而确定国内外农田保护研究中生态安全及生物多样性等主题与热点。研究表明:国内外农田保护研究文献载文量上存在明显差异,其变化特征受国内外政策环境及社会认知影响较为明显;从研究文献质量上来看,中国农田保护文献影响因子及H指数较国外农田保护低,因而文献质量相对较差,有待进一步提高;从文献作者发文分布情况来看,全球农田保护研究主要集中在欧洲、亚洲(中国)及北美地区;从农田保护内容上来看,农田生态保护是全球研究热点;从农田保护研究方向来看,全球范围内所涉及领域较为宽广,与西方发达国家相比,中国的研究方向集合了自然科学和社会科学领域的交叉研究。

Knowledge Mapping of Research on International Farmland Protection During 1964-2015

In order to grasp the research trends and changing law of global farmland protection, bibliometrical method, visualization software —— Citespace and its auxiliary software are used in this paper. The literature from CNKI and Web of Science about farmland protection was analyzed from the aspects of paper quantity, literature source, author distribution and citation condition to determine the theme and hot topic of farmland protection studies at home and abroad, including ecological security and biodiversity, etc.. Results indicated that there were remarkable differences in paper quantity for farmland protection at home and abroad. Its changing features were affected obviously by policy environment and social cognition. In terms of literature quality, the impact factors and H index of Chinese literature of farmland protection were lower than that of the abroad ones, so the Chinese literature quality was relatively poorer and further improvement was necessary. In terms of author distribution, it was mainly concentrated in Europe, Asia(China) and North America. In terms of literature contents, farmland ecological protection was the global research hot topic. In terms of research direction, from global vision farmland protection involved broad area. Compared to western developed countries, Chinese research orientation combined natural science with social science.