Fire in a Riparian Shrub Community: Postburn Water Relations in the Tamarix-salix Association along the Lower Colorado River

نویسندگان

  • David E. Busch
  • Stanley D. Smith
چکیده

Higher water potentials in recovering burned salt-cedar (Tamarix ramosissima) relative to unburned plants and the opposite situation in willow (Salix gooddingii) provide evi­ dence that postfire water stress is reduced in the former but not the latter. Similarly, diurnal patterns ofstomatal con­ duc(ance in these taxa are consistent with the existence of more vigor in burned salt-cedar than willow. Plots ofwater potential and transpiration demonstrate that hydraulic effi­ ciencies may contribute to differences in fire recovery.

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تاریخ انتشار 2009