INTRODUCTION The emergence of multi-antibiotic-resistant bacteria has turned bacterial resistance into a pressing global issue.Antibiotics that once effectively treated various infectious diseases are now becoming les...INTRODUCTION The emergence of multi-antibiotic-resistant bacteria has turned bacterial resistance into a pressing global issue.Antibiotics that once effectively treated various infectious diseases are now becoming less efficient against a new class of bacteria known as“Super Bacteria,”including methicillin-resistant Staphylococcus aureus(1).It is estimated that one person dies every minute due to drug-resistant strains of disease,and by 2050,drug-resistant bacterial infections could become the leading cause of death in humans(2).展开更多
Human activities have significantly degraded ecosystems and their associated services.By understanding the spatio-temporal variability and drivers of human activity intensity(HAI),we can better evaluate the interactio...Human activities have significantly degraded ecosystems and their associated services.By understanding the spatio-temporal variability and drivers of human activity intensity(HAI),we can better evaluate the interactions between human and terrestrial ecosystems,which is essential for land-use related decision making and eco-environmental construction.As the“third pole,”the Tibetan Plateau(TP)plays a strong role in shaping the global environment,and acts as an important ecological security barrier for China.Based on land-use/cover change data,environmental geographic data,and socioeconomic data,we adopted a method for converting different land use/cover types into construction land equivalent to calculate the HAI value and applied the Getis-Ord Gi*statistic to analyze the spatio-temporal dynamics associated with HAI since 1980 on the TP.Thereafter,we explored the forces driving the HAI changes using GeoDetector software and a correlation analysis.The main conclusions are as follows:It was observed that HAI increased slowly from 3.52%to 3.65%during the 1980-2020 period,with notable increases in the western part of the Qaidam Basin and Hehuang Valley.Spatially,HAI was associated with a significant agglomeration effect,which was mainly concentrated in the regions of the Yarlung Zangbo and Yellow-Huangshui rivers.Both natural and anthropogenic factors were identified as important driving forces behind the spatial changes in HAI,of which soil type,gross domestic product,and population density had the greatest influence.Meanwhile,the temporal changes in HAI were largely driven by economic development.This information provides crucial guidance for territory development planning and ecological-protection policy decisions.展开更多
基金supported by the National Natural Science Foundation of China(grant No.22193064)the Indus-try-University Cooperation Project for Collaborative Education from the Ministry of Education(grant No.221004439103151).
文摘INTRODUCTION The emergence of multi-antibiotic-resistant bacteria has turned bacterial resistance into a pressing global issue.Antibiotics that once effectively treated various infectious diseases are now becoming less efficient against a new class of bacteria known as“Super Bacteria,”including methicillin-resistant Staphylococcus aureus(1).It is estimated that one person dies every minute due to drug-resistant strains of disease,and by 2050,drug-resistant bacterial infections could become the leading cause of death in humans(2).
基金supported by the Key Laboratory of Airborne Geophysics and Remote Sensing Geology Foundation(No.2020YFL20)China Postdoctoral Science Foundation(No.2019M650820).
文摘Human activities have significantly degraded ecosystems and their associated services.By understanding the spatio-temporal variability and drivers of human activity intensity(HAI),we can better evaluate the interactions between human and terrestrial ecosystems,which is essential for land-use related decision making and eco-environmental construction.As the“third pole,”the Tibetan Plateau(TP)plays a strong role in shaping the global environment,and acts as an important ecological security barrier for China.Based on land-use/cover change data,environmental geographic data,and socioeconomic data,we adopted a method for converting different land use/cover types into construction land equivalent to calculate the HAI value and applied the Getis-Ord Gi*statistic to analyze the spatio-temporal dynamics associated with HAI since 1980 on the TP.Thereafter,we explored the forces driving the HAI changes using GeoDetector software and a correlation analysis.The main conclusions are as follows:It was observed that HAI increased slowly from 3.52%to 3.65%during the 1980-2020 period,with notable increases in the western part of the Qaidam Basin and Hehuang Valley.Spatially,HAI was associated with a significant agglomeration effect,which was mainly concentrated in the regions of the Yarlung Zangbo and Yellow-Huangshui rivers.Both natural and anthropogenic factors were identified as important driving forces behind the spatial changes in HAI,of which soil type,gross domestic product,and population density had the greatest influence.Meanwhile,the temporal changes in HAI were largely driven by economic development.This information provides crucial guidance for territory development planning and ecological-protection policy decisions.
