The distribution and diversity of the species are closely related to the global climate.As the most widely distributed species of Bufonidae in China,the study of the distribution pattern and habitat suitability of the...The distribution and diversity of the species are closely related to the global climate.As the most widely distributed species of Bufonidae in China,the study of the distribution pattern and habitat suitability of the Asiatic toad under climate change can help us understand the reply pattern of Bufonidae habitat to climate change.Here,combined with the Maxent model and GIS technology,the effects of climate change on the distribution pattern and habitat suitability of the Asiatic toad were comprehensively analyzed.The results show that the rainfall during the wettest season(Bio16)and the mean temperature of the driest season(Bio9)have a considerable impact on the distribution of the Asiatic toad.In the next 30 to 50 years,across the overall spacial scale of the Chinese mainland,the habitat of the Asiatic toad will be primarily in the eastern part of China and less in south part,while its distribution area will expand to the midwest and northwest parts of China.Overall,the area in which it can be distributed will be reduced and suitable habitat will shift to some regions of higher latitude and elevation.In a word,we systematically analyzed the changes of the distribution pattern and habitat suitability of the Asiatic toad with climate change,and we aim to provide data on how climatic variation may impact amphibians.展开更多
Photocatalytic synthesis has been considered a promising technology for solar-to-chemicals conversion.Here,a series of novel photocatalysts was synthesized by decorating uranyl sites on imine-based covalent organic fr...Photocatalytic synthesis has been considered a promising technology for solar-to-chemicals conversion.Here,a series of novel photocatalysts was synthesized by decorating uranyl sites on imine-based covalent organic frameworks(iCOF)and proved functioning for the uniformly boosted H_(2)O_(2)production by 1.6-10.1 folds compared with the bare i-COFs in a wide pH range from 2 to 11.Typically,an optimal H_(2)O_(2) production rate of 1435.9µmol g^(-1) h^(-1),i.e.,28.72mmol g_(U)^(-1)h^(-1),was realized over uranyl decorated TTa-COFs under visible light.Systematic investigations reveal that the universally and remarkably promoted performance is attributed to the outstanding electron-transfer ability,accelerated activation of molecular oxygen and favored formation of·O_(2)^(-)and*OOH as the key intermediate by virtue of the decorated uranyl ions;thus the two-step single-electron oxygen reduction reaction(ORR)for H_(2)O_(2) photo-generation is significantly facilitated.This work paves a new way for the uranyl-decorated COFs as a novel photocatalyst and provides in-depth insight to the reaction mechanism for photocatalytic H_(2)O_(2)production.展开更多
文摘The distribution and diversity of the species are closely related to the global climate.As the most widely distributed species of Bufonidae in China,the study of the distribution pattern and habitat suitability of the Asiatic toad under climate change can help us understand the reply pattern of Bufonidae habitat to climate change.Here,combined with the Maxent model and GIS technology,the effects of climate change on the distribution pattern and habitat suitability of the Asiatic toad were comprehensively analyzed.The results show that the rainfall during the wettest season(Bio16)and the mean temperature of the driest season(Bio9)have a considerable impact on the distribution of the Asiatic toad.In the next 30 to 50 years,across the overall spacial scale of the Chinese mainland,the habitat of the Asiatic toad will be primarily in the eastern part of China and less in south part,while its distribution area will expand to the midwest and northwest parts of China.Overall,the area in which it can be distributed will be reduced and suitable habitat will shift to some regions of higher latitude and elevation.In a word,we systematically analyzed the changes of the distribution pattern and habitat suitability of the Asiatic toad with climate change,and we aim to provide data on how climatic variation may impact amphibians.
基金supported by the National Natural Science Foundation of China (22306060, 22176054, 22476045)。
文摘Photocatalytic synthesis has been considered a promising technology for solar-to-chemicals conversion.Here,a series of novel photocatalysts was synthesized by decorating uranyl sites on imine-based covalent organic frameworks(iCOF)and proved functioning for the uniformly boosted H_(2)O_(2)production by 1.6-10.1 folds compared with the bare i-COFs in a wide pH range from 2 to 11.Typically,an optimal H_(2)O_(2) production rate of 1435.9µmol g^(-1) h^(-1),i.e.,28.72mmol g_(U)^(-1)h^(-1),was realized over uranyl decorated TTa-COFs under visible light.Systematic investigations reveal that the universally and remarkably promoted performance is attributed to the outstanding electron-transfer ability,accelerated activation of molecular oxygen and favored formation of·O_(2)^(-)and*OOH as the key intermediate by virtue of the decorated uranyl ions;thus the two-step single-electron oxygen reduction reaction(ORR)for H_(2)O_(2) photo-generation is significantly facilitated.This work paves a new way for the uranyl-decorated COFs as a novel photocatalyst and provides in-depth insight to the reaction mechanism for photocatalytic H_(2)O_(2)production.
