CSEMP assessment of cadmium in sediment at Fladen Ground
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 19.68 | 25.68 | -6.84 | 13.68 | | | |
| linear | 2 | 18.74 | 34.74 | -5.37 | 10.74 | 2.936 | 1 | 0.0866 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2007 | 2013 | -2.5614 | -2.1665 | 0.3949 | 0.2268 | 1.741 | 0.1566 |
| last 20 years | 2007 | 2013 | -2.5614 | -2.1665 | 0.3949 | 0.2268 | 1.741 | 0.1566 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.1146 | 0.3100 | 0.9953 | 0.1205 | 8.261 | 0.0006 |
| ERL | 0.1146 | 1.2000 | 2.3488 | 0.1205 | 19.495 | <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 sediment
- Accessment criteria for metals in sediment
