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 | 265.27 | 267.52 | -129.64 | 259.27 | | | |
| linear | 2 | 260.79 | 265.36 | -126.40 | 252.79 | 6.480 | 1 | 0.0109 |
| smooth (df = 2) | 3 | 262.71 | 271.04 | -126.36 | 252.71 | 0.080 | 1 | 0.7777 |
| smooth (df = 3) | 4 | 260.51 | 274.91 | -124.26 | 248.51 | 4.198 | 1 | 0.0405 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2003 | 2016 | 4.628 | 2.954 | -1.6735 | 0.5631 | -2.972 | 0.0157 |
| last 20 years | 2003 | 2016 | 4.628 | 2.954 | -1.6735 | 0.5631 | -2.972 | 0.0157 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 19.18 | 178.00 | 2.2277 | 0.3659 | 6.088 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Biological effects data
Biological effects assessment
Related pages
