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Carbon- and Hydrogen-Isotope Discrimination in Crassulacean Acid Metabolism

  • H. Ziegler
Part of the Ecological Studies book series (ECOLSTUD, volume 114)

Abstract

Plants have different means of adapting their metabolic, especially their photosynthetic, activity to short- or long-lasting water stress. The CO2-concentrat- ing mechanism of C4 photosynthesis, for example, allows carbon assimilation at low water cost. CAM in xerophytes - at least in plants with water-storage tissues - is an important adaptation in environments with intermittent water supply. The most effective protection against the detrimental effects of drought is the ability of plants (“resurrection plants”, “poikilohydric plants”) or parts of plants (spores, pollens, seeds, or fruits) to dry out without permanent injury and to restore their full metabolic capacity after rehydration. Interestingly, poikilohydric higher plants never show C4 or CAM photosynthesis (Table 22.1).

Keywords

Crassulacean Acid Metabolism Tissue Water Resurrection Plant Crassulacean Acid Metabolism Plant Deuterium Content 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1996

Authors and Affiliations

  • H. Ziegler
    • 1
  1. 1.Institut für Botanik und MikrobiologieTechnische Universität MünchenMünchenGermany

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