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 | -29.58 | -27.58 | 17.79 | -35.58 | | | |
| linear | 2 | -27.70 | -23.70 | 17.85 | -35.70 | 0.124 | 1 | 0.7244 |
| smooth (df = 2) | 3 | -38.88 | -31.74 | 24.44 | -48.88 | 13.180 | 1 | 0.0003 |
| smooth (df = 3) | 4 | -37.93 | -25.93 | 24.97 | -49.93 | 1.050 | 1 | 0.3056 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2018 | 4.698 | 4.673 | -0.02462 | 0.10176 | -0.242 | 0.8142 |
| last 20 years | 1999 | 2018 | 4.698 | 4.673 | -0.02462 | 0.10176 | -0.242 | 0.8142 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 107.1 | 156.5 | 0.3795 | 0.0677 | 5.603 | 0.0002 |
| EC | 107.1 | 1000.0 | 2.2344 | 0.0677 | 32.988 | <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
