Table 7. Ratio between bat fatalities per control turbine relative to treatment turbines (mean and 95% confidence intervals [CI]) for each species of bat from the Locust Ridge Wind Project in Columbia and Schuylkill Counties, Pennsylvania, 31 July–9 October 2010.
Species | Mean Ratio control:deterrent | Lower 95% CI | Upper 95% CI |
Big brown bat | 3.72 | 0.70 | 7.87 |
Eastern red bat | 1.59 | 0.93 | 2.78 |
Hoary bat* | 1.88 | 1.19 | 2.82 |
Little brown bat | 1.72 | 0.43 | 5.22 |
Silver-haired bat* | 3.78 | 1.12 | 12.82 |
Tri-colored bat | 1.59 | 0.84 | 2.96 |
Confidence intervals that do not include 1.0 are considered statistically significant (*).