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    Changes in stomatal density over time (1769–2015) in the New Zealand endemic tree Corynocarpus laevigatus J. R. Forst. & G. Forst. (Corynocarpaceae)

    Large, Mark; Nessia, Hayley; Cameron, E.; Blanchon, Dan

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    Large, M. (2017).pdf (1.382Mb)
    Date
    2017-07
    Citation:
    Large, M., Nessia, H., Cameron, E., & Blanchon, D.J. (2017). Changes in Stomatal Density over Time (1769–2015) in the New Zealand Endemic Tree Corynocarpus laevigatus J. R. Forst. & G. Forst. (Corynocarpaceae). Pacific Science, 71(3), 319-328. doi:10.2984/71.3.6
    Permanent link to Research Bank record:
    https://hdl.handle.net/10652/4307
    Abstract
    In the Northern Hemisphere several studies have used historic herbarium specimens to examine change in stomatal density over time as related to changes in atmospheric CO2 concentration. In this study we compared stomatal density of leaves of the New Zealand endemic tree Corynocarpus laevigatus (karaka), collected by Banks and Solander on Cook’s first voyage to the South Pacific in 1769–1770 with nineteenth-, twentieth-, and twenty-first-century material of the same species. Historical eighteenth- and nineteenth-century herbarium specimens were found to have a significantly higher stomatal density than that seen in twentieth- and twenty-first-century material. Our data are consistent with there being a relationship between stomatal density in leaves of C. laevigatus and atmospheric CO2 concentration over time. To date it is unclear whether other New Zealand native tree species show a similar relationship.
    Keywords:
    New Zealand, Corynocarpus laevigatus (karaka), stomatal density, carbon footprint, global warming
    ANZSRC Field of Research:
    060306 Evolutionary Impacts of Climate Change, 060702 Plant Cell and Molecular Biology

    Copyright Notice:
    © 2017 by University of Hawai‘i Press
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    This digital work is protected by copyright. It may be consulted by you, provided you comply with the provisions of the Act and the following conditions of use. These documents or images may be used for research or private study purposes. Whether they can be used for any other purpose depends upon the Copyright Notice above. You will recognise the author's and publishers rights and give due acknowledgement where appropriate.
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