2015年3月28日国家三部委对外公开发布了《推动共建丝绸之路经济带和21世纪海上丝绸之路的愿景与行动》(the Belt and Road简称"一带一路"战略)。该文件中对位处祖国西南边疆的西藏自治区的具体任务确定为"推进西藏与尼...2015年3月28日国家三部委对外公开发布了《推动共建丝绸之路经济带和21世纪海上丝绸之路的愿景与行动》(the Belt and Road简称"一带一路"战略)。该文件中对位处祖国西南边疆的西藏自治区的具体任务确定为"推进西藏与尼泊尔等国家边境贸易和旅游文化合作。"当年8月下旬,第六次西藏工作座谈会提出:"将西藏建设成为我国面向南亚开放的重要通道",这是在"一带一路"战略提出后中央对西藏在新形势下所赋予新的历史使命。文章就西藏如何以发展与尼泊尔等南亚国家的边境贸易和旅游文化交流合作为抓手,着力推动"面向南亚开放的重要通道"建设过程中应当坚持的原则与对策建议等进行了论述。展开更多
Human disturbance,particularly road traffic,is one of the greatest threats to wildlife.Considering the association between alerting behavior and the survival of animals,it is important to study the effects of road tra...Human disturbance,particularly road traffic,is one of the greatest threats to wildlife.Considering the association between alerting behavior and the survival of animals,it is important to study the effects of road traffic on alerting behavior of wildlife.Previous studies assessing the shortterm impact of road traffic on alerting behavior of wildlife have focused on vigilance distances.However,studies on the use of alarm calls are scarce,and it is unclear whether such behavioral responses change after repeated exposure to road traffic.We assessed the alerting behavior of plateau pikas(Ochotona curzoniae)who were near or far from roads when facing a potential predator.We found that pikas near roads exhibited shorter vigilance and tolerance distances,and produced fewer alarm calls than those relatively far away from roads.Furthermore,both vigilance and tolerance distances of plateau pikas were significantly positively correlated with the distance from the burrow to the road.Road traffic reduced antipredator responses and shaped alerting behavior;that is,pikas near roads were bolder and more silent compared to those far away from roads.Our findings suggest that increasing urbanization will have corresponding effects on animal behavior,which may have significant fitness effects in the future.展开更多
文摘2015年3月28日国家三部委对外公开发布了《推动共建丝绸之路经济带和21世纪海上丝绸之路的愿景与行动》(the Belt and Road简称"一带一路"战略)。该文件中对位处祖国西南边疆的西藏自治区的具体任务确定为"推进西藏与尼泊尔等国家边境贸易和旅游文化合作。"当年8月下旬,第六次西藏工作座谈会提出:"将西藏建设成为我国面向南亚开放的重要通道",这是在"一带一路"战略提出后中央对西藏在新形势下所赋予新的历史使命。文章就西藏如何以发展与尼泊尔等南亚国家的边境贸易和旅游文化交流合作为抓手,着力推动"面向南亚开放的重要通道"建设过程中应当坚持的原则与对策建议等进行了论述。
基金supported by Sichuan Science and Technology Program(2022JDTD0026)National Natural Science Foundation of China(31772464,32001095)Youth Innovation Promotion Association CAS(2012274).
文摘Human disturbance,particularly road traffic,is one of the greatest threats to wildlife.Considering the association between alerting behavior and the survival of animals,it is important to study the effects of road traffic on alerting behavior of wildlife.Previous studies assessing the shortterm impact of road traffic on alerting behavior of wildlife have focused on vigilance distances.However,studies on the use of alarm calls are scarce,and it is unclear whether such behavioral responses change after repeated exposure to road traffic.We assessed the alerting behavior of plateau pikas(Ochotona curzoniae)who were near or far from roads when facing a potential predator.We found that pikas near roads exhibited shorter vigilance and tolerance distances,and produced fewer alarm calls than those relatively far away from roads.Furthermore,both vigilance and tolerance distances of plateau pikas were significantly positively correlated with the distance from the burrow to the road.Road traffic reduced antipredator responses and shaped alerting behavior;that is,pikas near roads were bolder and more silent compared to those far away from roads.Our findings suggest that increasing urbanization will have corresponding effects on animal behavior,which may have significant fitness effects in the future.
