Table 3. Chi-square test results by tree species from bat roost site selection study conducted in February-March 2019 and December-January 2019–2020 at Camp Blanding, Clay County, Florida.
| Residuals | Contributions | Use vs. Available | |||
|---|---|---|---|---|---|
| Tree Species | Roost | Quadrant | Roost | Quadrant | |
| Loblolly bay Gordonia lasianthus | 1.74 | -0.89 | 5.91 | 1.55 | Greater |
| Sweetbay magnolia Magnolia virginiana | -0.22 | 0.11 | 0.1 | 0.03 | Less |
| Red bay Persea borbonia | 0.22 | -0.11 | 0.1 | 0.03 | Greater |
| Slash pine Pinus elliottii | 1.61 | -0.82 | 5.04 | 1.32 | Greater |
| Longleaf pine Pinus palustris | 2.75 | -1.41 | 14.81 | 3.88 | Greater |
| Loblolly pine Pinus taeda | 3.31 | -1.69 | 21.36 | 5.6 | Greater |
| Turkey oak Quercus laevis | -1.48 | 0.76 | 4.3 | 1.13 | Less |
| Water oak Quercus nigra | -1.65 | 0.84 | 5.32 | 1.39 | Less |
| Other1 | -3.38 | 1.73 | 22.32 | 5.85 | Less |
| χ2 | 51.17 | ||||
| p-value | <0.001 | ||||
1Other = bald cypress (Taxodium distichum), boxelder (Acer negundo), red maple (Acer rubrum), American hornbeam (Carpinus caroliniana), common persimmon (Diospyros virginiana), Carolina holly (Ilex ambigua), sweetgum (Liquidambar styraciflua), tulip tree (Liriodendron tulipifera), rusty staggerbush (Lyonia ferruginea), Southern magnolia (Magnolia grandiflora), black cherry (Prunus serotina), swamp white oak (Quercus bicolor), turkey oak (Quercus cerris), Shumard oak (Quercus shumardii), post oak (Quercus stellata), live oak (Quercus virginiana), winged elm (Ulmus alata), and American elm (Ulmus americana).
Residuals with values greater than two denotes a major influence on the chi-square test statistic. Contributions denote the difference between expected and observed values with larger contributions signifying greater difference.