
Assignment
1. The effects of a sewer outfall on a kelp forest were examined in California over a ten-year period, five years before the outfall became active and five years after, at both a control and an impact site. Using the data below conduct a BACI analysis: a) using the t-test procedure described in Stewart-Oaten et al. (1986) in class; b) using the ANOVA procedure described in Underwood (1999) in class. Please provide a model for both analyses.
| Kelp percent cover (%) | ||
| Time | Control | Impact |
| 1 | 58.3 | 57.3 |
| 2 | 62.7 | 61.1 |
| 3 | 47.1 | 45.7 |
| 4 | 56.2 | 52.3 |
| 5 | 71.0 | 65.6 |
| 6 | 58.3 | 40.1 |
| 7 | 62.8 | 35.5 |
| 8 | 68.1 | 30.1 |
| 9 | 54.2 | 36.4 |
| 10 | 58.0 | 40.2 |
This assignment is due next Wednesday, Oct.14., in class.