Ecological Archives M077-007-A6
Adam M. Siepielski and Craig W. Benkman. 2007. Convergent patterns in the selection mosaic for two North American bird-dispersed pines. Ecological Monographs 77:203–220.
Appendix F. Principal component loadings and Spearman's rank correlations between principal component scores and individual cone and seed traits for limber pine and whitebark pine.
| |
Eigenvectors |
Limber pine
|
Whitebark pine
|
| Trait |
PC1
|
PC2
|
PC1
|
PC2
|
PC1
|
PC2
|
| Cone length (mm) |
0.25
|
0.53
|
0.63***
|
0.61***
|
0.21***
|
0.80***
|
| Cone width (mm) |
0.34
|
0.15
|
0.85***
|
0.15**
|
0.68***
|
0.17***
|
| Cone mass (gm) |
0.31
|
0.42
|
0.76***
|
0.48***
|
0.62***
|
0.36***
|
| Number of scales |
-0.28
|
0.48
|
-0.65***
|
0.57***
|
-0.58***
|
0.70***
|
| Distal scale thickness (mm) |
0.37
|
-0.13
|
0.87***
|
-0.17**
|
0.88***
|
-0.28***
|
| Proximal scale thickness (mm) |
0.37
|
-0.11
|
0.89***
|
-0.14*
|
0.87***
|
-0.21***
|
| Peduncle diameter (mm) |
0.30
|
0.19
|
0.73***
|
0.23***
|
0.52***
|
0.22***
|
| Total number of seeds |
-0.26
|
0.43
|
-0.64***
|
0.53***
|
-0.53***
|
0.76***
|
| Seed mass (mg) |
0.26
|
0.10
|
0.63***
|
0.14*
|
0.52
|
-0.10***
|
| Seed coat thickness (mm) |
0.37
|
-0.17
|
0.85***
|
-0.10**
|
0.84***
|
-0.30***
|
| Percent variation accounted for: |
58.03
|
15.57
|
|
|
|
|
* P ≤ 0.05, ** P ≤ 0.005, *** P ≤ 0.0001
[Back to M077-007]