This study identifies the carrying state and value of Tibet’s resource and environmental carrying capacity.A new theoretical framework is proposed for exploring the resource and environmental carrying capacity based ...This study identifies the carrying state and value of Tibet’s resource and environmental carrying capacity.A new theoretical framework is proposed for exploring the resource and environmental carrying capacity based on two perspectives of“growth limit”and“stability of Human-Earth relationship system”.On this basis,an ideal growth model that accords with the“short board”effect is established to predict the population limitation.Analytical results show that the holistic state of resource and environmental carrying capacity in Tibet is in jeopardy.From 2010 to 2016,Tibet’s carrying state continued to decline,moreover,the negative forces still overwhelm the positive forces.Although the resource reserves still have room for more population,the environmental capacity and ecological capacity have been overloaded.Meanwhile,the Human-Earth relationship system is in an unstable stage.Three scenarios that respond to different socioeconomic developments are implemented to predict the population limitation of resource and environmental carrying capacity in Tibet;thus,authors argue that Tibet should keep its population size within 4 million around 2025.This research will provide reference for sustainable development and resources and environmental conservation in Tibet.展开更多
The study first systematically assessed the ecosystem health status of the plateau freshwater lake of Erhai Lake in Yunnan Province of China,using the revised Freshwater Health Indicator methodology,which comprised th...The study first systematically assessed the ecosystem health status of the plateau freshwater lake of Erhai Lake in Yunnan Province of China,using the revised Freshwater Health Indicator methodology,which comprised three components,i.e.,“Ecosystem Vitality,”“Ecosystem Services,”and“Governance and Stakeholders.”To better reflect the real health status of the basin,the cask short board effect was considered during aggregation of the indicators.In addition,analysis of the coupling coordination relationship among the three components was conducted to study the mutual influences among them as well as the comprehensive development level of the studied area.Basically,the ecosystem of the Erhai Lake basin remained healthy during the studied period according to the research due to specific measures and actions taken to manage the environmental problems caused by a former local economic development and urbanization process.However,there were still aspects to improve for more sustainable ecosystem management and utilization in the basin.The“short boards”of the Erhai Lake basin show room for improvement in local freshwater ecosystem management and underline governance problems that need to be addressed.Suggestions are provided for the local stakeholders consequently for the more sustainable development of the studied basin.展开更多
The study first systematically assessed the ecosystem health status of the plateau freshwater lake of Erhai Lake in Yunnan Province of China,using the revised Freshwater Health Indicator methodology,which comprised th...The study first systematically assessed the ecosystem health status of the plateau freshwater lake of Erhai Lake in Yunnan Province of China,using the revised Freshwater Health Indicator methodology,which comprised three components,i.e.,"Ecosystem Vitality,""Ecosystem Services,"and"Governance and Stakeholders."To better reflect the real health status of the basin,the cask short board effect was considered during aggregation of the indicators.In addition,analysis of the coupling coordination relationship among the three components was conducted to study the mutual influences among them as well as the comprehensive development level of the studied area.Basically,the ecosystem of the Erhai Lake basin remained healthy during the studied period according to the research due to specific measures and actions taken to manage the environmental problems caused by a former local economic development and urbanization process.However,there were still aspects to improve for more sustainable ecosystem management and utilization in the basin.The"short boards"of the Erhai Lake basin show room for improvement in local freshwater ecosystem management and underline governance problems that need to be addressed.Suggestions are provided for the local stakeholders consequently for the more sustainable development of the studied basin.展开更多
基金supported by the Specific Project of National Key Research and Development Program of China (Grants No.2016YFC0503506)the Strategy Priority Research Program of Chinese Academy of Sciences (Grants No. XDA20010103)
文摘This study identifies the carrying state and value of Tibet’s resource and environmental carrying capacity.A new theoretical framework is proposed for exploring the resource and environmental carrying capacity based on two perspectives of“growth limit”and“stability of Human-Earth relationship system”.On this basis,an ideal growth model that accords with the“short board”effect is established to predict the population limitation.Analytical results show that the holistic state of resource and environmental carrying capacity in Tibet is in jeopardy.From 2010 to 2016,Tibet’s carrying state continued to decline,moreover,the negative forces still overwhelm the positive forces.Although the resource reserves still have room for more population,the environmental capacity and ecological capacity have been overloaded.Meanwhile,the Human-Earth relationship system is in an unstable stage.Three scenarios that respond to different socioeconomic developments are implemented to predict the population limitation of resource and environmental carrying capacity in Tibet;thus,authors argue that Tibet should keep its population size within 4 million around 2025.This research will provide reference for sustainable development and resources and environmental conservation in Tibet.
基金The study was supported by the National Natural Science Foundation of China(51779002).
文摘The study first systematically assessed the ecosystem health status of the plateau freshwater lake of Erhai Lake in Yunnan Province of China,using the revised Freshwater Health Indicator methodology,which comprised three components,i.e.,“Ecosystem Vitality,”“Ecosystem Services,”and“Governance and Stakeholders.”To better reflect the real health status of the basin,the cask short board effect was considered during aggregation of the indicators.In addition,analysis of the coupling coordination relationship among the three components was conducted to study the mutual influences among them as well as the comprehensive development level of the studied area.Basically,the ecosystem of the Erhai Lake basin remained healthy during the studied period according to the research due to specific measures and actions taken to manage the environmental problems caused by a former local economic development and urbanization process.However,there were still aspects to improve for more sustainable ecosystem management and utilization in the basin.The“short boards”of the Erhai Lake basin show room for improvement in local freshwater ecosystem management and underline governance problems that need to be addressed.Suggestions are provided for the local stakeholders consequently for the more sustainable development of the studied basin.
基金supported by the National Natural Science Foundation of China(51779002)
文摘The study first systematically assessed the ecosystem health status of the plateau freshwater lake of Erhai Lake in Yunnan Province of China,using the revised Freshwater Health Indicator methodology,which comprised three components,i.e.,"Ecosystem Vitality,""Ecosystem Services,"and"Governance and Stakeholders."To better reflect the real health status of the basin,the cask short board effect was considered during aggregation of the indicators.In addition,analysis of the coupling coordination relationship among the three components was conducted to study the mutual influences among them as well as the comprehensive development level of the studied area.Basically,the ecosystem of the Erhai Lake basin remained healthy during the studied period according to the research due to specific measures and actions taken to manage the environmental problems caused by a former local economic development and urbanization process.However,there were still aspects to improve for more sustainable ecosystem management and utilization in the basin.The"short boards"of the Erhai Lake basin show room for improvement in local freshwater ecosystem management and underline governance problems that need to be addressed.Suggestions are provided for the local stakeholders consequently for the more sustainable development of the studied basin.