Summary
Transplant and seedling material of Potentilla erecta from three Scottish sites, two from the south and one from the far north, were grown from contrasting, adjoining habitats at each, dominated either by Molinia (little grazed) or Festuca (grazed by sheep); 10 variates were recorded. Canonical analysis of the data confirmed and strengthened the conclusion previously reached (Watson, 1969) that the contrasting habitats had evolved contrasting ecotypes. It was tentatively concluded that the habitat difference and a north-to-south difference of 200 miles were about equally effective in differentiating ecotypes.
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References
Hope, K. 1968. Methods of Multivariate Analysis. University of London Press.
Seal, H. 1964. Multivariate Statistical Analysis for Biologists. Methuen, London.
Watson, P J. 1969. Evolution in closely adjacent plant populations. VI. An entomophilous species, Potentilla erecta, in two contrasting habitats. Heredity, 24, 407–422.
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Watson, P., Fyfe, J. Potentilla erecta in two contrasting habitats—a multivariate approach. Heredity 34, 417–422 (1975). https://doi.org/10.1038/hdy.1975.51
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DOI: https://doi.org/10.1038/hdy.1975.51