CSEMP assessment of cadmium in biota at Inner Moray Firth
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 84.93 | 86.93 | -39.46 | 78.93 | | | |
| linear | 2 | 66.84 | 70.84 | -29.42 | 58.84 | 20.093 | 1 | <0.0001 |
| smooth (df = 2) | 3 | 68.50 | 75.64 | -29.25 | 58.50 | 0.335 | 1 | 0.5629 |
| smooth (df = 3) | 4 | 69.71 | 81.71 | -28.86 | 57.71 | 0.790 | 1 | 0.3742 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2013 | 4.520 | 5.728 | 1.2085 | 0.1814 | 6.663 | <0.0001 |
| last 20 years | 2000 | 2013 | 4.520 | 5.728 | 1.2085 | 0.1814 | 6.663 | <0.0001 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 307.5 | 26.0 | -2.4703 | 0.0978 | -25.264 | 1.0000 |
| EC | 307.5 | 1000.0 | 1.1794 | 0.0978 | 12.062 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Metals data
Metals assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for metals in biota
- Accessment criteria for metals in biota
