CSEMP assessment of cadmium in biota at Flamborough
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 106.85 | 108.85 | -50.42 | 100.85 | | | |
| linear | 2 | 88.28 | 92.28 | -40.14 | 80.28 | 20.567 | 1 | <0.0001 |
| smooth (df = 2) | 3 | 89.52 | 96.66 | -39.76 | 79.52 | 0.763 | 1 | 0.3824 |
| smooth (df = 3) | 4 | 90.63 | 102.63 | -39.32 | 78.63 | 0.888 | 1 | 0.3461 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2001 | 2017 | 5.114 | 6.721 | 1.6072 | 0.2173 | 7.396 | <0.0001 |
| last 20 years | 2001 | 2017 | 5.114 | 6.721 | 1.6072 | 0.2173 | 7.396 | <0.0001 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 829.5 | 26.0 | -3.463 | 0.140 | -24.664 | 1.0000 |
| EC | 829.5 | 1000.0 | 0.187 | 0.140 | 1.332 | 0.1063 |
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
