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 | 50.08 | 56.08 | -22.04 | 44.08 | | | |
| linear | 2 | 50.23 | 66.23 | -21.11 | 42.23 | 1.855 | 1 | 0.1732 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | 4.279 | 3.906 | -0.3723 | 0.2641 | -1.410 | 0.2314 |
| last 20 years | 2005 | 2018 | 4.279 | 3.906 | -0.3723 | 0.2641 | -1.410 | 0.2314 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 49.7 | 35.0 | -0.3509 | 0.1501 | -2.338 | 0.9602 |
| EC | 49.7 | 500.0 | 2.3083 | 0.1501 | 15.376 | <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
