Nuclear genetic variation across the range of ponderosa pine (Pinus ponderosa): Phylogeographic, taxonomic and conservation implications

Tree Genetics & Genomes

Kevin M. Potter1 Valerie D. Hipkins, Mary F. Mahalovich, and Robert E. Means

1Department of Forestry and Environmental Resources, North Carolina State University, Research Triangle Park, North Carolina, 27709 USA;

Online Resource 8: Analyses of molecular variance (AMOVAs) of isozyme data for (1) P. ponderosa and the Pacific and Rocky Mountain varieties, (2) P. ponderosa var. ponderosa and the races contained within, and (3) P. ponderosa var. scopulorum and the races contained within; all variance components are significant at p 0.001.

Source / df / SS / MS / Variance / % / Φ / value
P. ponderosa
Among varieties / 1 / 1061.40 / 1061.40 / 0.689 / 14.3% / ΦRT / 0.143
Among populations within varieties / 102 / 3304.30 / 32.40 / 0.977 / 20.2% / ΦPR / 0.236
Within populations / 3009 / 9507.13 / 3.16 / 3.160 / 65.5%
ΦPT / 0.345
Total / 3112 / 13872.83 / 4.826 / 100.0%
P. ponderosa var. ponderosa
Among races / 2 / 378.97 / 189.49 / 0.470 / 9.2% / ΦRT / 0.092
Among populations within races / 38 / 1237.13 / 32.56 / 0.956 / 18.7% / ΦPR / 0.206
Within populations / 1198 / 4402.91 / 3.68 / 3.675 / 72.1%
ΦPT / 0.279
Total / 1238 / 6019.01 / 5.101 / 100.0%
P. ponderosa var. scopulorum
Among races / 1 / 87.52 / 87.52 / 0.081 / 2.2% / ΦRT / 0.022
Among populations within races / 61 / 1600.68 / 26.24 / 0.790 / 21.4% / ΦPR / 0.219
Within populations / 1811 / 5104.22 / 2.82 / 2.818 / 76.4%
ΦPT / 0.236
Total / 1873 / 6792.41 / 3.689 / 100.0%