Article Figures & Data
Figures
- Figure 1.
Mean (± SE) shoot mass (A) and inflorescence number (B) from Experiment 1 testing the effects of clipping (control = light bars, clipped = dark bars) on transplanted seedlings of ten perennial grass species (n = 10). Asterisks indicate a significant difference between previously clipped and un-clipped plants (control) within each species. Presence of asterisks indicates statistical significance: *p < 0.05; **p < 0.01; ***p < 0.0001.
- Figure 2.
Mean (± SE) shoot mass (A) and inflorescence number (B) from Experiment 2 testing the effects of clipping (control = light bars, clipped = dark bars) and the presence of herbivore exclosures (exposed or caged) on transplanted Stipa pulchra seedlings in a full-factorial experiment (n = 15). Different letters above bars show significant differences by treatment. Presence of asterisks indicates statistical significance: *p < 0.05; **p < 0.01; ***p < 0.0001.
Tables
- Table 1.
Results of individual Student’s t-tests for shoot biomass and χ2 tests for inflorescence counts comparing previously clipped and unclipped plants by species. * indicate significant differences (α < 0.05). Dashes are shown for species in which no individuals flowered.
Species Shoot biomass Inf. # t p χ2 p A. pallens 2.96* 0.0088* 1.51 0.2189 E. condensatus −3.06* 0.0070* — — K. macrantha −0.31 0.7582 10.37* 0.0013* M. californica 0.91 0.3765 0.98 0.3226 M. imperfecta 0.92 0.3688 0.98 0.3556 M. rigens 0.21 0.8323 — — S. cernua 2.98* 0.0089* 0.27 0.6020 S. coronata 0.19 0.8495 0.04 0.8349 S. lepida 2.22* 0.0401* 0.04 0.8471 S. pulchra −0.21 0.8439 4.03* 0.0446*
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