Contrasting response of coexisting plant’s water-use patterns to experimental precipitation manipulation in an alpine grassland community of Qinghai Lake watershed, China - Fig 6

<p>Stable oxygen-18 content of plants tissue for the control (ab) and treatment plots (cd). The left and right columns represent sampling campaign in 2013 and 2014, respectively. Gray filled areas represent the range of mean soil water δ¹⁸O values in top 60 cm for all plots. Date: mm/dd.