Native root xylem embolism and stomatal closure in stands of Douglas-fir and ponderosa pine: mitigation by hydraulic redistribution

@article{Domec2004NativeRX,
  title={Native root xylem embolism and stomatal closure in stands of Douglas-fir and ponderosa pine: mitigation by hydraulic redistribution},
  author={J.-C. Domec and Jeffrey M. Warren and F. C. Meinzer and J Ren{\'e}e Brooks and Rob Coulombe},
  journal={Oecologia},
  year={2004},
  volume={141},
  pages={7-16}
}
Hydraulic redistribution (HR), the passive movement of water via roots from moist to drier portions of the soil, occurs in many ecosystems, influencing both plant and ecosystem-water use. We examined the effects of HR on root hydraulic functioning during drought in young and old-growth Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] and ponderosa pine (Pinus ponderosa Dougl. Ex Laws) trees growing in four sites. During the 2002 growing season, in situ xylem embolism, water deficit and xylem… CONTINUE READING

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