CSEMP assessment of cadmium in biota at Off Boston (Wash)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | -26.98 | -24.73 | 16.49 | -32.98 | | | |
| linear | 2 | -25.04 | -20.47 | 16.52 | -33.04 | 0.061 | 1 | 0.8047 |
| smooth (df = 2) | 3 | -40.96 | -32.63 | 25.48 | -50.96 | 17.919 | 1 | <0.0001 |
| smooth (df = 3) | 4 | -39.02 | -24.62 | 25.51 | -51.02 | 0.061 | 1 | 0.8049 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2017 | 4.725 | 4.719 | -0.00629 | 0.08892 | -0.071 | 0.9453 |
| last 20 years | 1999 | 2017 | 4.725 | 4.719 | -0.00629 | 0.08892 | -0.071 | 0.9453 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 112.0 | 156.5 | 0.3343 | 0.0597 | 5.603 | 0.0003 |
| EC | 112.0 | 1000.0 | 2.1891 | 0.0597 | 36.688 | <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
