为了综合比较国内外旅游生态足迹领域的研究现状与热点演进,论文以X指数为主要评价指标,以Web of Science和CNKI核心数据库中2002—2017年中相关文献为研究对象,运用知识图谱法(Cite Space)对国内外旅游生态足迹方面的研究文献进行实证...为了综合比较国内外旅游生态足迹领域的研究现状与热点演进,论文以X指数为主要评价指标,以Web of Science和CNKI核心数据库中2002—2017年中相关文献为研究对象,运用知识图谱法(Cite Space)对国内外旅游生态足迹方面的研究文献进行实证分析,研究结果表明:a)国内外研究旅游生态足迹的文献相对较少,但是可以清晰地分为两个阶段:理论研究阶段和应用实践阶段。b)国内旅游生态足迹相关研究中,年度发文数量呈“山”字型;国外旅游生态足迹年度发文数量呈稳步增长趋势。c)国内外旅游生态足迹的研究多集中于资源丰富的欠发达地区;国外旅游生态足迹研究主要集中在经济发达且资源丰富地区。d)国内外旅游生态足迹研究中出现的研究热点均集中于生态足迹、旅游和可持续研究。今后,旅游生态足迹研究应该加强旅游生态足迹动力机制分析、内在机理、预测预警方面的研究,未来旅游生态足迹研究需要在空间和时间两个维度上进行深入探索和拓展,使研究结果在空间和时间两个维度上均具有可比性,以期丰富旅游生态足迹研究的理论依据。展开更多
Ten species of the genus Xylotrechus Chevrolat,1860 from Beijing are studied.Xylotrechus pekingensis Pic,1939 is reinstated from synonym of Xylotrechus yanoi Gressitt,1934,and newly recorded from Hebei and Shaanxi Pro...Ten species of the genus Xylotrechus Chevrolat,1860 from Beijing are studied.Xylotrechus pekingensis Pic,1939 is reinstated from synonym of Xylotrechus yanoi Gressitt,1934,and newly recorded from Hebei and Shaanxi Provinces.Xylotrechus bifenestratus Pic,1916 is proposed as a new junior synonym of Xylotrechus polyzonus(Fairmaire,1888),both were described from Beijing,China.Three species,X.ibex(Gebler,1825),X.pyrrhoderus Bates,1873,and X.robusticollis(Pic,1936),are reported from Beijing for the first time.Several new localities are added to the related species based on specimens examined.A key to the ten species of Xylotrechus Chevrolat,1860 from Beijing is provided.展开更多
文摘为了综合比较国内外旅游生态足迹领域的研究现状与热点演进,论文以X指数为主要评价指标,以Web of Science和CNKI核心数据库中2002—2017年中相关文献为研究对象,运用知识图谱法(Cite Space)对国内外旅游生态足迹方面的研究文献进行实证分析,研究结果表明:a)国内外研究旅游生态足迹的文献相对较少,但是可以清晰地分为两个阶段:理论研究阶段和应用实践阶段。b)国内旅游生态足迹相关研究中,年度发文数量呈“山”字型;国外旅游生态足迹年度发文数量呈稳步增长趋势。c)国内外旅游生态足迹的研究多集中于资源丰富的欠发达地区;国外旅游生态足迹研究主要集中在经济发达且资源丰富地区。d)国内外旅游生态足迹研究中出现的研究热点均集中于生态足迹、旅游和可持续研究。今后,旅游生态足迹研究应该加强旅游生态足迹动力机制分析、内在机理、预测预警方面的研究,未来旅游生态足迹研究需要在空间和时间两个维度上进行深入探索和拓展,使研究结果在空间和时间两个维度上均具有可比性,以期丰富旅游生态足迹研究的理论依据。
基金supported by the Biodiversity Survey and Assessment Project of Beijingthe Biodiversity Survey and Assessment Project of the Ministry of Ecology and Environment,China (2019HJ2096001006)。
基金supported by the Biodiversity Survey and Assessment Project of Beijing from the Beijing Municipal Ecology and Environment Bureauthe Biodiversity Survey and Assessment Project of the Ministry of Ecology and Environment,China(2019HJ2096001006)+1 种基金partly by Project of Biological Resources Survey in Wuyishan National Parka grant(Y229YX5105)from the Key Laboratory of the Zoological Systematics and Evolution of the Chinese Academy of Sciences。
文摘Ten species of the genus Xylotrechus Chevrolat,1860 from Beijing are studied.Xylotrechus pekingensis Pic,1939 is reinstated from synonym of Xylotrechus yanoi Gressitt,1934,and newly recorded from Hebei and Shaanxi Provinces.Xylotrechus bifenestratus Pic,1916 is proposed as a new junior synonym of Xylotrechus polyzonus(Fairmaire,1888),both were described from Beijing,China.Three species,X.ibex(Gebler,1825),X.pyrrhoderus Bates,1873,and X.robusticollis(Pic,1936),are reported from Beijing for the first time.Several new localities are added to the related species based on specimens examined.A key to the ten species of Xylotrechus Chevrolat,1860 from Beijing is provided.
