Appendix K. Observed covariance matrices used for the within-site path analysis of the effect of floral neighborhood density on pollinator visitation, pollination, and reproduction of Alstroemeria aurea in grazed sites.
Site
Statistic
Variable†
D
Vj
Pc
Ph
fr/fl
s/fr
Arroyo Goye
Covariance
D
0.68
0.00
0.15
-0.10
0.00
0.83
Covariance
Vj
0.00
0.02
0.00
0.03
0.00
0.06
Covariance
Pc
0.15
0.00
0.86
0.05
0.19
2.21
Covariance
Ph
-0.10
0.03
0.05
0.89
0.08
-0.65
Covariance
fr/fl
0.00
0.00
0.19
0.08
0.12
0.76
Covariance
s/fr
0.83
0.06
2.21
-0.65
0.76
24.96
Mean
2.74
0.06
3.86
3.46
0.77
9.68
St. dev.
0.82
0.15
0.93
0.94
0.34
5.00
N
219
85
139
139
213
198
Cerro López
Covariance
D
1.01
0.00
0.50
-0.13
0.14
2.18
Covariance
Vj
0.00
0.02
0.00
0.04
0.01
0.19
Covariance
Pc
0.50
0.00
1.80
0.35
0.34
4.49
Covariance
Ph
-0.13
0.04
0.35
1.88
0.06
0.23
Covariance
fr/fl
0.14
0.01
0.34
0.06
0.18
2.11
Covariance
s/fr
2.18
0.19
4.49
0.23
2.11
39.04
Mean
1.43
0.06
2.81
3.02
0.43
6.34
St. dev.
1.00
0.13
1.34
1.37
0.42
6.25
N
141
65
75
75
119
116
Mascardi (c)
Covariance
D
0.41
0.00
0.23
-0.06
-0.03
0.12
Covariance
Vj
0.00
0.00
0.00
0.00
0.00
-0.04
Covariance
Pc
0.23
0.00
0.52
0.29
0.06
2.32
Covariance
Ph
-0.06
0.00
0.29
1.50
0.24
1.63
Covariance
fr/fl
-0.03
0.00
0.06
0.24
0.14
1.86
Covariance
s/fr
0.12
-0.04
2.32
1.63
1.86
50.70
Mean
1.21
0.01
2.98
3.64
0.36
5.69
St. dev.
0.64
0.03
0.72
1.23
0.38
7.12
N
31
20
13
13
26
26
Quetrihué (c)
Covariance
D
2.12
0.32
0.51
0.08
0.03
1.06
Covariance
Vj
0.32
0.30
0.20
0.14
0.04
0.06
Covariance
Pc
0.51
0.20
0.77
0.28
0.12
1.40
Covariance
Ph
0.08
0.14
0.28
0.74
0.08
0.57
Covariance
fr/fl
0.03
0.04
0.12
0.08
0.10
0.93
Covariance
s/fr
1.06
0.06
1.40
0.57
0.93
23.94
Mean
3.22
0.40
4.18
6.00
0.83
10.13
St. dev.
1.46
0.55
0.88
0.86
0.31
4.89
N
228
43
100
100
216
203
†Variable names: D, estimate of neighborhood density (see Appendix C); Vj, pollinator visit frequency (Eq. 2); Pc and Ph, natural logarithms of conspecific and heterospecific pollen; fr/fl, fruits per flower; s/fr, seeds per fruit.