Gas in stems: abundance and potential consequences for tree biomechanics.

@article{Gartner2004GasIS,
  title={Gas in stems: abundance and potential consequences for tree biomechanics.},
  author={Barbara Lachenbruch Gartner and John R Moore and Barry A. Gardiner},
  journal={Tree physiology},
  year={2004},
  volume={24 11},
  pages={
          1239-50
        }
}
Secondary xylem of woody plants has a large volumetric proportion of gas occupying spaces that would otherwise be filled with water. We examined whether these gas-filled voids have a mechanical role by either decreasing the fresh mass the tree must support (by replacing some of the water with gas) or by providing inexpensive filler to increase stem diameter (thereby increasing the second moment of area at the expense of the modulus of elasticity and modulus of rupture). Calculations from… CONTINUE READING

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