CSEMP assessment of mercury in biota at Cork Hole (Wash)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 19.30 | 23.80 | -6.65 | 13.30 | | | |
| linear | 2 | 15.35 | 26.02 | -3.68 | 7.35 | 5.946 | 1 | 0.0147 |
| smooth (df = 2) | 3 | 16.30 | 41.30 | -3.15 | 6.30 | 1.051 | 1 | 0.3054 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2015 | 3.375 | 2.643 | -0.7320 | 0.2369 | -3.090 | 0.0272 |
| last 20 years | 1999 | 2015 | 3.375 | 2.643 | -0.7320 | 0.2369 | -3.090 | 0.0272 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 14.1 | 14.7 | 0.043 | 0.149 | 0.286 | 0.3931 |
| EC | 14.1 | 500.0 | 3.571 | 0.149 | 24.032 | <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
