CSEMP assessment of mercury 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 | 44.15 | 53.15 | -19.07 | 38.15 | | | |
| linear | 2 | 45.24 | 77.24 | -18.62 | 37.24 | 0.909 | 1 | 0.3405 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2016 | 4.269 | 3.986 | -0.28304 | 0.29006 | -0.976 | 0.4011 |
| last 20 years | 2005 | 2016 | 4.269 | 3.986 | -0.28304 | 0.29006 | -0.976 | 0.4011 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 53.8 | 35.0 | -0.4307 | 0.1725 | -2.497 | 0.9560 |
| EC | 53.8 | 500.0 | 2.2286 | 0.1725 | 12.920 | 0.0005 |
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
