Leaf Shape Responds to Temperature but Not CO2 in Acer rubrum

  title={Leaf Shape Responds to Temperature but Not CO2 in Acer rubrum},
  author={Dana L. Royer},
  booktitle={PloS one},
The degree of leaf dissection and the presence of leaf teeth, along with tooth size and abundance, inversely correlate with mean annual temperature (MAT) across many plant communities. These relationships form the core of several methods for reconstructing MAT from fossils, yet the direct selection of temperature on tooth morphology has not been demonstrated experimentally. It is also not known if atmospheric CO(2) concentration affects leaf shape, limiting confidence in ancient climate… CONTINUE READING
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