What Do Plants Leave after Summer on the Ground? The Effect of Afforested Plants in Arid Environments

César Dionisio Jiménez-Rodríguez*, Miriam Coenders-Gerrits, Stefan Uhlenbrook, Jochen Wenninger

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)
34 Downloads (Pure)


The implementation of afforestation programs in arid environments in northern China had modified the natural vegetation patterns. This increases the evaporation flux; however, the influence of these new covers on the soil water conditions is poorly understood. This work aims to describe the effect of Willow bushes (Salix psammophila C. Wang and Chang Y. Yang) and Willow trees (Salix matsudana Koidz.) on the soil water conditions after the summer. Two experimental plots located in the Hailiutu catchment (Shaanxi province, northwest China), and covered with plants of each species, were monitored during Autumn in 2010. The monitoring included the soil moisture, fine root distribution and transpiration fluxes that provided information about water availability, access and use by the plants. Meanwhile, the monitoring of stable water isotopes collected from precipitation, soil water, groundwater and xylem water linked the water paths. The presence of Willow trees andWillow bushes reduce the effect of soil evaporation after summer, increasing the soil moisture respect to bare soil conditions. Also, the presence of soil water with stable water isotope signatures close to groundwater reflect the hydraulic lift process. This is an indication of soil water redistribution carried out by both plant species.

Original languageEnglish
Article number2559
Pages (from-to)1-19
Number of pages19
JournalWater (Switzerland)
Issue number12
Publication statusPublished - 2019


  • Fine root system
  • Hydrogen
  • Oxygen
  • Soil water
  • Stable water isotopes


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