Human activities have impacted 77%of the terrestrial ecosystems(excluding Antarctica),and the remaining areas are becoming increasingly endangered.Mapping spatiotemporal dynamics of Human Footprint has been used to ev...Human activities have impacted 77%of the terrestrial ecosystems(excluding Antarctica),and the remaining areas are becoming increasingly endangered.Mapping spatiotemporal dynamics of Human Footprint has been used to evaluate the cumulative interference on terrestrial environments globally.However,fences and hydropower,two widespread and rapidly expanding infrastructures,have not been considered regarding Human Footprint,despite their complicated and extensive effects on ecosystem functioning and species survival.Previous work has proved that fences increase habitat fragmentation,disrupt migratory routes,inadvertently trap and kill wildlife,and hinder genetic exchange.Hydropower construction also caused habitat loss,fragmentation,and degradation.These impacts have received global concern,but fences around the world are difficult to be detected due to the limitations of current cartographic technologies.Furthermore,the effect of hydropower on the terrestrial environment has been underestimated,making the research on this topic at a global scale still in its infancy.Therefore,building an observation network of global fences and hydropower is a necessary step to move forward in the assessment of the impact of human activities on our planet,but also to better provide scientific support for policy-making regarding global biodiversity conservation,the identification of protected areas,and the prioritization of ecological restoration areas.展开更多
为响应全球能源互联网战略,保障大规模风电接入下风水协同安全稳定运行,研究风电水电协同运行(wind power and hydropower coordinated operation,WHCO)对信息通讯技术的需求。结合电网信息通信技术发展现状,提出WHCO信息通信保护专网(i...为响应全球能源互联网战略,保障大规模风电接入下风水协同安全稳定运行,研究风电水电协同运行(wind power and hydropower coordinated operation,WHCO)对信息通讯技术的需求。结合电网信息通信技术发展现状,提出WHCO信息通信保护专网(information and communication protection network,ICPN),搭建ICPN的功能架构,并提出了关键技术。在WHCO调度系统中建立具体的WHCO-ICPN系统,介绍了系统的信息共享、信息通信时延以及安全防御功能。该系统为WHCO的实现提供了测量与控制信息实时传输通道,具有较大的工程应用价值。展开更多
基金the Second Scientific Expedition to the Qinghai-Tibet Plateau(Grant No.2019QZKK0405)the investiga-tion and monitoring project on Rational construction and utilization of grassland fence in China National Park(QHXH-2021-07-19-package 2).
文摘Human activities have impacted 77%of the terrestrial ecosystems(excluding Antarctica),and the remaining areas are becoming increasingly endangered.Mapping spatiotemporal dynamics of Human Footprint has been used to evaluate the cumulative interference on terrestrial environments globally.However,fences and hydropower,two widespread and rapidly expanding infrastructures,have not been considered regarding Human Footprint,despite their complicated and extensive effects on ecosystem functioning and species survival.Previous work has proved that fences increase habitat fragmentation,disrupt migratory routes,inadvertently trap and kill wildlife,and hinder genetic exchange.Hydropower construction also caused habitat loss,fragmentation,and degradation.These impacts have received global concern,but fences around the world are difficult to be detected due to the limitations of current cartographic technologies.Furthermore,the effect of hydropower on the terrestrial environment has been underestimated,making the research on this topic at a global scale still in its infancy.Therefore,building an observation network of global fences and hydropower is a necessary step to move forward in the assessment of the impact of human activities on our planet,but also to better provide scientific support for policy-making regarding global biodiversity conservation,the identification of protected areas,and the prioritization of ecological restoration areas.
文摘为响应全球能源互联网战略,保障大规模风电接入下风水协同安全稳定运行,研究风电水电协同运行(wind power and hydropower coordinated operation,WHCO)对信息通讯技术的需求。结合电网信息通信技术发展现状,提出WHCO信息通信保护专网(information and communication protection network,ICPN),搭建ICPN的功能架构,并提出了关键技术。在WHCO调度系统中建立具体的WHCO-ICPN系统,介绍了系统的信息共享、信息通信时延以及安全防御功能。该系统为WHCO的实现提供了测量与控制信息实时传输通道,具有较大的工程应用价值。
