The outbreak of a novel coronavirus(SARS-CoV-2)has resulted in a worldwide pandemic infecting over 5.9 million people[1].This positive-strand RNA virus can cause severe respiratory distress syndrome in humans(COVID-19...The outbreak of a novel coronavirus(SARS-CoV-2)has resulted in a worldwide pandemic infecting over 5.9 million people[1].This positive-strand RNA virus can cause severe respiratory distress syndrome in humans(COVID-19),with over 364,000 deaths between December 2019 and May 30,2020[1,2].To combat this pandemic,the World Health Organization(WHO)is coordinating global efforts on surveillance,epidemiology,mathematical model-ing,diagnostics,treatment and control,and has issued interim guidance to countries.Nevertheless,this is a difficult situation and the number of cases is rapidly increasing globally.The tempo-ral evolution and the spatial spread of this virus have also raised serious concerns about the future trajectory of this outbreak.展开更多
The global carbon balance is a core issue in climate change research and a focus of in ternational policy concern[1-3].The"missing carbon sink"caused by approximately 1.6-2.0 Pg Ca-1(1 Pg=1015 g)that is curr...The global carbon balance is a core issue in climate change research and a focus of in ternational policy concern[1-3].The"missing carbon sink"caused by approximately 1.6-2.0 Pg Ca-1(1 Pg=1015 g)that is currently unaccounted for,has long plagued researchers[4,5].Evidence is mounting those seemingly lifeless desert ecosystems,whose roles in the global carbon-cycle have long been neglected,exhib让the unconventional phenomenon of absorption of atmospheric CO2,sequestering enonnous amounts of CO2 and thereby creating a significant carbon-sink[6-9].展开更多
基金jointly supported by the National Natural Science Foundation of China (41521004)the Gansu Provincial Special Fund Project for Guiding Scientific and Technological Innovation and Development (2019ZX-06)。
文摘The outbreak of a novel coronavirus(SARS-CoV-2)has resulted in a worldwide pandemic infecting over 5.9 million people[1].This positive-strand RNA virus can cause severe respiratory distress syndrome in humans(COVID-19),with over 364,000 deaths between December 2019 and May 30,2020[1,2].To combat this pandemic,the World Health Organization(WHO)is coordinating global efforts on surveillance,epidemiology,mathematical model-ing,diagnostics,treatment and control,and has issued interim guidance to countries.Nevertheless,this is a difficult situation and the number of cases is rapidly increasing globally.The tempo-ral evolution and the spatial spread of this virus have also raised serious concerns about the future trajectory of this outbreak.
基金the Second Tibetan Plateau Scientific Expedition and Research Program(2019QZKK0602)the National Natural Science Foundation of China(41521004,41975010 and 41175140)the China University Research Talents Recruitment Program(B13045).
文摘The global carbon balance is a core issue in climate change research and a focus of in ternational policy concern[1-3].The"missing carbon sink"caused by approximately 1.6-2.0 Pg Ca-1(1 Pg=1015 g)that is currently unaccounted for,has long plagued researchers[4,5].Evidence is mounting those seemingly lifeless desert ecosystems,whose roles in the global carbon-cycle have long been neglected,exhib让the unconventional phenomenon of absorption of atmospheric CO2,sequestering enonnous amounts of CO2 and thereby creating a significant carbon-sink[6-9].
