Abstract:The hydraulic vulnerability segmentation hypothesis proposes that plant
branches are more resistant to cavitation than roots, namely, the
difference in vulnerability to cavitation between branches and roots is
positive ( P > 0).
However, it is not clear how this phenomenon can vary along
environmental aridity gradients. We compiled the above hypothesis with
105 woody species from four biomes with increasing aridity, by compiling
functional traits related to hydraulic properties and anatomical
structures of … Show more
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