Appendix F. ANCOVA results for effects of musk thistle abundance in the focal patch and distance to the focal patch on Rhinocyllus conicus egg load on wavyleaf thistles. Bar graph of mean (SE) R. conicus egg load on wavyleaf thistle at sites with low vs. high total abundance of musk thistles in the focal patch.
Source |
Numerator df |
Denominator df |
F |
P |
Total musk thistles in patch |
1 |
33.2 |
1.08 |
0.3072 |
Distance |
3 |
89.8 |
23.79 |
<0.0001 |
Total musk thistles in patch × distance |
3 |
89.8 |
0.50 |
0.6843 |
Wavyleaf thistle size |
1 |
1033 |
14.73 |
0.0001 |
Size × total musk thistles in patch |
1 |
1033 |
0.17 |
0.6779 |
Size × distance |
3 |
1030 |
2.66 |
0.0467 |
Size × total musk thistles in patch × distance |
3 |
1030 |
1.53 |
0.2041 |
| |
| FIG. F1. Bar graph of mean (SE) R. conicus egg load on wavyleaf thistle at sites with low vs. high total abundance of musk thistles in the focal patch. |