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Use of CART analysis to differentiate pollen of red pine (Pinus resinosa) and jack pine (P. banksiana) in New England

Published online by Cambridge University Press:  20 January 2017

Andrew M. Barton ,
Andrea M. Nurse ,
Katelyn Michaud  and
Sarah W. Hardy
Andrew M. Barton*
Affiliation:
Department of Biology, University of Maine at Farmington, Farmington, Maine 04938, USA
Andrea M. Nurse
Affiliation:
Climate Change Institute, University of Maine, Orono, Maine 04469, USA
Katelyn Michaud
Affiliation:
Department of Biology, University of Maine at Farmington, Farmington, Maine 04938, USA
Sarah W. Hardy
Affiliation:
Division of Mathematics and Computer Sciences, University of Maine at Farmington, Farmington, Maine 04938, USA
*
⁎Corresponding author. Department of Biology, University of Maine at Farmington, 173 High Street, Preble Hall, Farmington, Maine 04938, USA. Fax: +1 207 778 7365.
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Abstract

The identification of fossil pollen at the generic rather than species level is hampering progress in understanding the biogeography and dynamics of paleo-vegetation. We used CART analysis to facilitate the differentiation of fossil pollen of Pinus banksiana and Pinusresinosa, which are morphologically similar and nearly always combined in paleoecological studies. The CART model, using four of the ten morphological traits measured, exhibited a high level of correct identification for pollen of each of the species and shows promise as a tool for increasing the detail of paleoecological records and inferences.

Keywords

BiogeographyCART analysisNew EnglandPaleoecologyPinus banksianaPinus resinosaPalynologyPollenSpecies differentiation
Type
Short Paper
Information
Quaternary Research , Volume 75 , Issue 1 , January 2011 , pp. 18 - 23
Copyright
University of Washington

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