%0 Dataset %T Photosynthetic characteristics of Populus euphratica in the lower reaches of Tarim River from 2000 to 2007 %J National Cryosphere Desert Data Center %I National Cryosphere Desert Data Center(www.ncdc.ac.cn) %U http://www.ncdc.ac.cn/portal/metadata/462a5834-99d8-4172-8421-6785b513e379 %W NCDC %R 10.12072/ncdc.NIEER.db0026.2020 %A Chen Yaning %K Air relative humidity;Atmospheric temperature;CO2 concentration;photosynthesis;Populus euphratica;Photosynthetically active radiation;Stomatal conductance;Net photosynthetic rate;transpiration rate;Page temperature %X Main monitoring indicators: net photosynthetic rate (PN), transpiration rate (TR), stomatal conductance (GS) and other gas exchange parameters were measured, At the same time, atmospheric CO2 concentration (CA), intercellular CO2 concentration (CI), photosynthetically active radiation (PAR), atmospheric temperature (TA), leaf surface temperature (TL), air relative humidity (RH) and other parameters were measured, and each leaf was read three times. WUE = pN / TR, LS = 1 - CI / ca.