CSEMP assessment of DDE (p,p') in biota at New Brighton (Mersey)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 4.42 | 13.42 | 0.79 | -1.58 | | | |
| linear | 2 | 6.17 | 38.17 | 0.92 | -1.83 | 0.249 | 1 | 0.6179 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2002 | 2017 | 0.7522 | 0.5372 | -0.2149 | 0.4261 | -0.504 | 0.6487 |
| last 20 years | 2002 | 2017 | 0.7522 | 0.5372 | -0.2149 | 0.4261 | -0.504 | 0.6487 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 1.7113 | 0.1027 | -2.8133 | 0.2496 | -11.271 | 0.9993 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Pesticides data
Pesticides assessment
Related pages
