Vegetation change is of significant concern because it plays a crucial role in the global carbon cycle and climate.Many studies have examined recent changes in vegetation growth and the associated drivers.These driver...Vegetation change is of significant concern because it plays a crucial role in the global carbon cycle and climate.Many studies have examined recent changes in vegetation growth and the associated drivers.These drivers include both natural and human activities,but few studies have identified the regulation factors.By employing normalized difference vegetation index(NDVI)data,we analyzed the spatiotemporal pattern of vegetation change in China and then explored the driving factors.It was found that the overall greening of China has improved significantly,especially in the Loess Plateau and southwest China.The Yangtze River Delta and Bohai Rim,however,have not seen as much growth.Natural conditions are conducive to vegetation growth.Although socioeconomic development will be more beneficial for vegetation restoration,the current level and speed of development have a negative effect on vegetation.The regulation factors are considered separately since they affect both directly and indirectly.Regulation factors have accelerated vegetation growth.By understanding the factors affecting the current vegetation growth,we can provide a guide for future vegetation recovery in China and other similar countries.展开更多
开展污染物和二氧化碳的协同减排是当前我国推进生态文明建设的关键途径和重要抓手,分析国内外研究热点与趋势,有助于为我国协同减排治理理论研究与实践路径提供参考。运用CiteSpace对Web of Science核心数据库和中国知网的中英文相关...开展污染物和二氧化碳的协同减排是当前我国推进生态文明建设的关键途径和重要抓手,分析国内外研究热点与趋势,有助于为我国协同减排治理理论研究与实践路径提供参考。运用CiteSpace对Web of Science核心数据库和中国知网的中英文相关文献进行梳理分析,探讨该领域研究的发展态势。结果表明:该领域发文量呈上升趋势且有一定阶段性,美国和中国发文量较高,其他发文主要集中于欧美与东亚地区国家;除了环境科学类期刊发文较多外,国外的能源类期刊影响力较大,国内则是经济与管理类期刊有较大影响力;国内外研究关注该领域的应对策略和政策及其效应评估,此外国外研究关注排放模拟,国内研究关注特定行业和区域及减污降碳领域的体制机制构建。未来研究的重点是综合考虑区域协同发展背景及多重环境政策的影响机制,研究减污降碳、协同减排的路径及其政策体系。展开更多
以环境损害赔偿为研究对象,通过对CNKI(中国知网)和Web of Science核心合集数据库中英文文献的梳理,对国内外环境损害赔偿文献年代分布、文献的机构、期刊分布与研究热点趋势等方面进行研究分析.结果显示:国内外环境损害赔偿的发文量呈...以环境损害赔偿为研究对象,通过对CNKI(中国知网)和Web of Science核心合集数据库中英文文献的梳理,对国内外环境损害赔偿文献年代分布、文献的机构、期刊分布与研究热点趋势等方面进行研究分析.结果显示:国内外环境损害赔偿的发文量呈显著上升趋势且国外研究时间较早;文献发表机构主要集中在中国和美国,其中英文文献主要集中在环境管理、生态经济、污染效应、政策实施等研究领域,中文文献则更注重环境污染损害赔偿的法律制度构建和责任保险制度的实施;近几年,随着区域性环境污染的逐渐增多,跨界环境污染损害赔偿以及系统、完善的制度建设、保障实施的机制构建等会成为未来学界关注的重点.展开更多
基金National Key R&D Program of China,No.2018YFD1100101National Natural Science Foundation of China,No.71573250。
文摘Vegetation change is of significant concern because it plays a crucial role in the global carbon cycle and climate.Many studies have examined recent changes in vegetation growth and the associated drivers.These drivers include both natural and human activities,but few studies have identified the regulation factors.By employing normalized difference vegetation index(NDVI)data,we analyzed the spatiotemporal pattern of vegetation change in China and then explored the driving factors.It was found that the overall greening of China has improved significantly,especially in the Loess Plateau and southwest China.The Yangtze River Delta and Bohai Rim,however,have not seen as much growth.Natural conditions are conducive to vegetation growth.Although socioeconomic development will be more beneficial for vegetation restoration,the current level and speed of development have a negative effect on vegetation.The regulation factors are considered separately since they affect both directly and indirectly.Regulation factors have accelerated vegetation growth.By understanding the factors affecting the current vegetation growth,we can provide a guide for future vegetation recovery in China and other similar countries.
文摘开展污染物和二氧化碳的协同减排是当前我国推进生态文明建设的关键途径和重要抓手,分析国内外研究热点与趋势,有助于为我国协同减排治理理论研究与实践路径提供参考。运用CiteSpace对Web of Science核心数据库和中国知网的中英文相关文献进行梳理分析,探讨该领域研究的发展态势。结果表明:该领域发文量呈上升趋势且有一定阶段性,美国和中国发文量较高,其他发文主要集中于欧美与东亚地区国家;除了环境科学类期刊发文较多外,国外的能源类期刊影响力较大,国内则是经济与管理类期刊有较大影响力;国内外研究关注该领域的应对策略和政策及其效应评估,此外国外研究关注排放模拟,国内研究关注特定行业和区域及减污降碳领域的体制机制构建。未来研究的重点是综合考虑区域协同发展背景及多重环境政策的影响机制,研究减污降碳、协同减排的路径及其政策体系。
文摘以环境损害赔偿为研究对象,通过对CNKI(中国知网)和Web of Science核心合集数据库中英文文献的梳理,对国内外环境损害赔偿文献年代分布、文献的机构、期刊分布与研究热点趋势等方面进行研究分析.结果显示:国内外环境损害赔偿的发文量呈显著上升趋势且国外研究时间较早;文献发表机构主要集中在中国和美国,其中英文文献主要集中在环境管理、生态经济、污染效应、政策实施等研究领域,中文文献则更注重环境污染损害赔偿的法律制度构建和责任保险制度的实施;近几年,随着区域性环境污染的逐渐增多,跨界环境污染损害赔偿以及系统、完善的制度建设、保障实施的机制构建等会成为未来学界关注的重点.
