CSEMP assessment of cadmium in biota at West Lundy
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 47.93 | 56.93 | -20.97 | 41.93 | | | |
| linear | 2 | 49.59 | 81.59 | -20.80 | 41.59 | 0.338 | 1 | 0.5609 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2016 | 4.667 | 4.847 | 0.18025 | 0.30986 | 0.582 | 0.6016 |
| last 20 years | 2005 | 2016 | 4.667 | 4.847 | 0.18025 | 0.30986 | 0.582 | 0.6016 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 127.4 | 26.0 | -1.5890 | 0.1762 | -9.018 | 0.9986 |
| EC | 127.4 | 1000.0 | 2.0606 | 0.1762 | 11.694 | 0.0007 |
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
