CSEMP assessment of DDE (p,p') in biota at Crosby (Mersey Channel)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 18.77 | 24.77 | -6.38 | 12.77 | | | |
| linear | 2 | 19.37 | 35.37 | -5.68 | 11.37 | 1.401 | 1 | 0.2366 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | 1.2101 | 0.6336 | -0.5765 | 0.4587 | -1.257 | 0.2772 |
| last 20 years | 2000 | 2017 | 1.2101 | 0.6336 | -0.5765 | 0.4587 | -1.257 | 0.2772 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 1.8844 | 0.1027 | -2.9096 | 0.2802 | -10.385 | 0.9998 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Pesticides data
Pesticides assessment
Related pages
