CSEMP assessment of ethoxyresorufin-o-deethylase in biota at Camarthen Bay
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 282.19 | 284.44 | -138.10 | 276.19 | | | |
| linear | 2 | 279.24 | 283.81 | -135.62 | 271.24 | 4.954 | 1 | 0.0260 |
| smooth (df = 2) | 3 | 281.22 | 289.56 | -135.61 | 271.22 | 0.016 | 1 | 0.8995 |
| smooth (df = 3) | 4 | 282.59 | 296.99 | -135.30 | 270.59 | 0.630 | 1 | 0.4272 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2003 | 2016 | 4.269 | 2.839 | -1.4299 | 0.5704 | -2.507 | 0.0335 |
| last 20 years | 2003 | 2016 | 4.269 | 2.839 | -1.4299 | 0.5704 | -2.507 | 0.0335 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 17.09 | 147.00 | 2.1517 | 0.3708 | 5.802 | 0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Biological effects data
Biological effects assessment
Related pages
