Table 2. Results of ANCOVAs testing effects of year, deer exclosure and the previous year’s seed bank structure on measures of aboveground plant community structure.
Aboveground Response | Year | Deer Exclusion | Seed Bank Covariate | Deer*Covariate |
Species Richness | t = 0.199; P = 0.843 | t = 0.224; P = 0.825 | t = 2.595; P = 0.014 | t = −0.325; P = 0.747 |
Diversity | t = −2.332; P = 0.026 | t = −1.155; P = 0.257 | t = −1.261; P = 0.217 | t = 1.191; P = 0.243 |
Abundance | t = −0.905; P = 0.373 | t = −1.576; P = 0.125 | t = −1.367; P = 0.181 | t = 1.692; P = 0.101 |
Annuals/Biennials | t = −2.308; P = 0.028 | t = 0.953; P = 0.348 | t = 3.082; P = 0.004 | t = −0.647; P = 0.522 |
Relative Native Species Richness | t = 4.925; P<0.001 | t = 0.316; P = 0.754 | t = 0.321; P = 0.750 | t = −0.091; P = 0.928 |
Relative Native Abundance | t = 2.715; P = 0.011 | t = 1.111; P = 0.275 | t = 1.883; P = 0.069 | t = −1.071; P = 0.293 |
Bold values denote statistical significance at P≤0.05.