The definition and type of recreational belt around metropolis were introduced,the development principles of recreational spot around small and middle cities were analyzed.With Baoding City as an example,the empirical...The definition and type of recreational belt around metropolis were introduced,the development principles of recreational spot around small and middle cities were analyzed.With Baoding City as an example,the empirical analysis was conducted,and the development models of recreational spot around metropolis in Baoding City were put forward.展开更多
Ecological security is the foundation and guarantee of sustainable development,and its importance is increasingly widely recognized and valued by the world.The Yangtze River Basin is an important ecological security b...Ecological security is the foundation and guarantee of sustainable development,and its importance is increasingly widely recognized and valued by the world.The Yangtze River Basin is an important ecological security barrier in China and the Wanjiang City Belt(WCB)along the Yangtze River is directly related to the ecological security pattern of the entire basin.Based on the Driver-Pressure-State-Impact-Response(DPSIR)model and a geographical information system(GIS)platform,an ecosystem security evaluation index system was constructed to measure and evaluate the evolution of ecosystem security in the WCB,China.Results showed that:1)From 2000 to 2018,the overall level of ecological security in the study area was in a state of either early warning or medium warning,but the level of ecological security in each prefecture-level city was significantly different.2)From the perspective of the evolution of the ecosystem,the value of its comprehensive evaluation index dropped from 4.255 in 2000 to 3.885 in 2018.From the perspective of subsystems,the value of Pressure comprehensive evaluation index is much higher than that of other subsystems,indicating that during the rapid development of the social economy,the pressure on the natural environment tended to rise,and triggered changes in the State and Response subsystems.3)The coefficient of variation(CV)of the Driver was much higher than other factors influencing the ecological security system.There are large differences in the economic development and ecological evolution of the cities in the WCB.This study has improved the theoretical research on regional ecological security,and has certain practical guiding significance for building a beautiful,green and sustainable China and promoting global ecological security.展开更多
The study of diplomacy against current situation and theoretical research of international relations,especially the study of traditional diplomatic theories,has been involved in a monotonous repetition and circulation...The study of diplomacy against current situation and theoretical research of international relations,especially the study of traditional diplomatic theories,has been involved in a monotonous repetition and circulation.In the circulation,the diplomatic theories of politics are restricted to the area of inter-country diplomacy,which has prevented public diplomatic relations from further development.Though countries still play major roles in Eurasian continental diplomacy,city diplomacy between the Asian-European countries that just sets off inter-country diplomacy has yielded further advancement of public diplomacy,which will have a great significance for cultural exchange,economic development,social civilization,and political comprehension(the inclusiveness of political ideologies).Therefore,against the era of“The Belt and Road”in today’s China,the study of diplomacy based on cities can exert a positive effect on the ease of sovereignty dispute,adaptation of globalization,the alleviation of conflicts by means of cultural soft power,and even the integration of regions.展开更多
文摘The definition and type of recreational belt around metropolis were introduced,the development principles of recreational spot around small and middle cities were analyzed.With Baoding City as an example,the empirical analysis was conducted,and the development models of recreational spot around metropolis in Baoding City were put forward.
基金Under the auspices of National Natural Science Foundation of China(No.41571124)。
文摘Ecological security is the foundation and guarantee of sustainable development,and its importance is increasingly widely recognized and valued by the world.The Yangtze River Basin is an important ecological security barrier in China and the Wanjiang City Belt(WCB)along the Yangtze River is directly related to the ecological security pattern of the entire basin.Based on the Driver-Pressure-State-Impact-Response(DPSIR)model and a geographical information system(GIS)platform,an ecosystem security evaluation index system was constructed to measure and evaluate the evolution of ecosystem security in the WCB,China.Results showed that:1)From 2000 to 2018,the overall level of ecological security in the study area was in a state of either early warning or medium warning,but the level of ecological security in each prefecture-level city was significantly different.2)From the perspective of the evolution of the ecosystem,the value of its comprehensive evaluation index dropped from 4.255 in 2000 to 3.885 in 2018.From the perspective of subsystems,the value of Pressure comprehensive evaluation index is much higher than that of other subsystems,indicating that during the rapid development of the social economy,the pressure on the natural environment tended to rise,and triggered changes in the State and Response subsystems.3)The coefficient of variation(CV)of the Driver was much higher than other factors influencing the ecological security system.There are large differences in the economic development and ecological evolution of the cities in the WCB.This study has improved the theoretical research on regional ecological security,and has certain practical guiding significance for building a beautiful,green and sustainable China and promoting global ecological security.
文摘The study of diplomacy against current situation and theoretical research of international relations,especially the study of traditional diplomatic theories,has been involved in a monotonous repetition and circulation.In the circulation,the diplomatic theories of politics are restricted to the area of inter-country diplomacy,which has prevented public diplomatic relations from further development.Though countries still play major roles in Eurasian continental diplomacy,city diplomacy between the Asian-European countries that just sets off inter-country diplomacy has yielded further advancement of public diplomacy,which will have a great significance for cultural exchange,economic development,social civilization,and political comprehension(the inclusiveness of political ideologies).Therefore,against the era of“The Belt and Road”in today’s China,the study of diplomacy based on cities can exert a positive effect on the ease of sovereignty dispute,adaptation of globalization,the alleviation of conflicts by means of cultural soft power,and even the integration of regions.
