CSEMP assessment of mercury in biota at NarrowWaterM
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 8.57 | 14.57 | -2.28 | 4.57 | | | |
| linear | 2 | 1.49 | 25.49 | 2.25 | -4.51 | 9.073 | 1 | 0.0026 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2011 | 2018 | 3.428 | 2.336 | -1.0916 | 0.2220 | -4.917 | 0.0161 |
| last 20 years | 2011 | 2018 | 3.428 | 2.336 | -1.0916 | 0.2220 | -4.917 | 0.0161 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 10.3 | 14.7 | 0.349 | 0.168 | 2.082 | 0.0644 |
| EC | 10.3 | 500.0 | 3.878 | 0.168 | 23.113 | <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
