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    Physiological adjustments to enhance tolerance or avoidance of summer drought and winter freezing were studied in shallow- to deep-rooted Patagonian cold desert shrubs. We measured leaf water potential, osmotic potential, tissue elasticity, stem hydraulic characteristics, and stomatal conductance across species throughout the year, and assessed tissue damage by subzero temperatures during winter.

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    Scholz, Fabian G.; Bucci, Sandra J.; Arias, Nadia; Meinzer, Frederick C.; Goldstein, Guillermo. 2012. Osmotic and elastic adjustments in cold desert shrubs differing in rooting depth: coping with drought and subzero temperatures. Oecologia. 170: 885-897.


    elastic modulus, hydraulic conductivity, stomatal conductance, tissue injury, water relationships

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