Ecological Archives M077-007-A3

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 C. Spearman's pairwise correlations between various whitebark pine cone and seed traits in regions with and without pine squirrels.

 
Cone
 
Scale thickness
Number of seeds
Individual seed components
 
Length
Width
Mass
Peduncle diameter
Number of scales
Distal
Proximal
Distance to seed
Total
Full seeds
Empty seeds
Seed mass
Kernel mass
Seed coat mass
Seed coat thickness
Cone length (mm)
 
0.429***
0.584***
0.344***
0.467***
0.166*
0.012
-0.044
0.588***
0.615***
-0.1
-0.063
-0.018
-0.07
0.216**
Cone width (mm)
0.528***
 
0.374***
0.264**
0.285***
0.215**
0.173*
0.094
0.303***
0.309**
0.013
-0.122
-0.132
-0.063
0.163*
Cone mass (gm)
0.408***
0.079
 
0.386***
0.257***
0.321***
0.251**
0.031
0.444***
0.444***
0.082
0.176*
0.105
0.202*
0.203**
Peduncle diameter (mm)
0.188*
0.224**
0.147*
 
0.105
0.121
0.205**
-0.089
0.215**
0.226**
-0.075
0.016
-0.05
0.068
0.183*
Number of scales
0.476***
0.401***
0.015
0.181*
 
0.027
0.025
-0.064
0.328***
0.354***
-0.12
-0.207**
-0.161*
-0.128
0.121
Distal scale thickness (mm)
0.159*
0.095
0.366***
0.13
-0.14
 
0.522***
0.149*
-0.045
-0.045
0.061
0.382***
0.291***
0.332***
0.320***
Proximal scale thickness (mm)
0.245**
0.370***
0.177*
0.308***
0.114
0.627***
 
0.185*
-0.011
-0.018
0.099
0.285***
0.164*
0.316***
0.238**
Distance to seed (mm)
0.154*
0.275**
0.051
0.004
0.153*
0.144*
0.277**
 
-0.086
-0.106
0.173*
0.249**
0.183*
0.222**
0.165*
Total number of  seeds
0.479***
0.488***
0.049
0.141
0.565***
-0.295***
-0.01
0.205**
 
0.987***
0.143*
-0.026
-0.016
0.008
0.045
Number of full seeds
0.465***
0.452***
0.046
0.144*
0.564***
-0.317***
-0.04
0.186*
0.993***
 
0.011
-0.063
-0.02
-0.051
0.015
Number of empty seeds
0.289**
0.389***
0.035
0.073
0.183*
0.01
0.161*
0.182*
0.383***
0.291***
 
0.162*
-0.011
0.339***
0.216**
Seed mass (mg)
0.113
0.147*
0.193*
0.034
-0.011
0.266**
0.300***
0.043
-0.102
-0.094
-0.142
 
0.852***
0.785***
0.268**
Kernel mass (mg)
0.158*
0.135
0.135
-0.03
0.034
0.195*
0.248**
0.043
-0.071
-0.062
-0.107
0.879***
 
0.383***
0.054
Seed coat mass (mg)
-0.022
0.13
0.14
0.064
-0.048
0.192**
0.235**
0.027
-0.075
-0.069
-0.123
0.715***
0.346***
 
0.399***
Seed coat thickness (mm)
0.136
0.282***
0.088
0.111
-0.061
0.280*
0.236**
0.086
-0.111
-0.11
-0.063
0.337***
0.306***
0.281***
 

* P ≤ 0.05, ** P ≤ 0.005, *** P ≤ 0.0001


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