Seasonal water uptake for halophytic shrubs in Northwest China salinity-affected area: An isotopic investigation（1）

       第十一届国际旱地发展会议——The denterum depletion in halophytes result from their special anatomic structure of the root endodermis.When water moves symplastically rather than apoplastically through the endodermis,the fractionation in hydrogen isotopes in water occurred.