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 | 309.20 | 311.45 | -151.60 | 303.20 | | | |
| linear | 2 | 307.25 | 311.82 | -149.63 | 299.25 | 3.951 | 1 | 0.0469 |
| smooth (df = 2) | 3 | 309.12 | 317.45 | -149.56 | 299.12 | 0.131 | 1 | 0.7173 |
| smooth (df = 3) | 4 | 310.60 | 325.00 | -149.30 | 298.60 | 0.519 | 1 | 0.4711 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2003 | 2016 | 4.214 | 2.771 | -1.4429 | 0.6628 | -2.177 | 0.0575 |
| last 20 years | 2003 | 2016 | 4.214 | 2.771 | -1.4429 | 0.6628 | -2.177 | 0.0575 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 15.97 | 147.00 | 2.2196 | 0.4307 | 5.154 | 0.0003 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Biological effects data
Biological effects assessment
Related pages
