Appendix D. Means (± SE) of cover, species richness, and heterogeneity of the grass and shrub vegetation in control and treatment plots. The two columns on the right summarize values for control and treatment plots across both vegetation types.
|
Vegetation type |
|
|
|
|
Treatment |
||
|
Shrub |
Grass |
Shrub |
Grass |
|
|
||
|
|
|
Access |
Exclosure |
Access |
Exclosure |
Access |
Exclosure |
Cover |
|
|
|
|
|
|
|
|
Summer annuals |
1.61 ± 0.26 |
5.12 ± 0.94 |
1.4 ± 0.34 |
1.82 ± 0.4 |
5.65 ± 1.46 |
4.6 ± 1.19 |
3.53 ± 0.78 |
3.21 ± 0.64 |
Winter annuals |
1.16 ± 0.19 |
1.16 ± 0.18 |
1.41 ± 0.33 |
0.91 ± 0.19 |
1.26 ± 0.31 |
1.06 ± 0.2 |
1.34 ± 0.23 |
0.99 ± 0.14 |
Forbs |
2.67 ± 0.33 |
6.3 ± 0.97 |
2.6 ± 0.48 |
2.73 ± 0.45 |
6.72 ± 1.54 |
5.88 ± 1.19 |
4.66 ± 0.84 |
4.31 ± 0.66 |
Grasses |
6.61 ± 0.44 |
35.53 ± 1.1 |
5.6 ± 0.56 |
7.62 ± 0.64 |
35.73 ± 1.32 |
35.33 ± 1.78 |
20.67 ± 1.84 |
21.48 ± 1.82 |
Shrubs |
30.99 ± 0.86 |
3.57 ± 0.29 |
32.4 ± 0.9 |
29.58 ± 1.45 |
2.97 ± 0.4 |
4.16 ± 0.41 |
17.69 ± 1.73 |
16.87 ± 1.61 |
Total |
29.62 ± 0.98 |
43.47 ± 1.67 |
30.25 ± 1.2 |
29 ± 1.56 |
43.75 ± 2.34 |
43.2 ± 2.41 |
37 ± 1.51 |
36.1 ± 1.63 |
Species richness |
|
|
|
|
|
|
|
|
Summer annuals |
0.56 ± 0.04 |
1.31 ± 0.17 |
0.58 ± 0.05 |
0.54 ± 0.06 |
1.36 ± 0.25 |
1.27 ± 0.23 |
0.97 ± 0.13 |
0.9 ± 0.12 |
Winter annuals |
0.5 ± 0.06 |
0.85 ± 0.08 |
0.57 ± 0.09 |
0.42 ± 0.08 |
0.83 ± 0.11 |
0.87 ± 0.11 |
0.7 ± 0.07 |
0.65 ± 0.07 |
Forbs |
1.31 ± 0.09 |
2.79 ± 0.21 |
1.34 ± 0.14 |
1.28 ± 0.13 |
2.71 ± 0.29 |
2.87 ± 0.29 |
2.02 ± 0.18 |
2.07 ± 0.18 |
Grasses |
0.93 ± 0.04 |
2.09 ± 0.04 |
0.88 ± 0.05 |
0.97 ± 0.06 |
2.11 ± 0.05 |
2.07 ± 0.06 |
1.5 ± 0.08 |
1.52 ± 0.07 |
Shrubs |
0.92 ± 0.02 |
0.71 ± 0.03 |
0.9 ± 0.04 |
0.93 ± 0.04 |
0.68 ± 0.04 |
0.74 ± 0.04 |
0.79 ± 0.03 |
0.83 ± 0.03 |
Total |
3.15 ± 0.11 |
5.59 ± 0.22 |
3.12 ± 0.16 |
3.18 ± 0.15 |
5.51 ± 0.31 |
5.68 ± 0.31 |
4.31 ± 0.22 |
4.43 ± 0.22 |
Heterogeneity |
6132 ± 308 |
4245 ± 263 |
6866 ± 361 |
5399 ± 476 |
4485 ± 342 |
4004 ± 402 |
5675 ± 281 |
4702 ± 319 |