CSEMP assessment of cadmium in biota at South Eddystone
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 78.15 | 82.65 | -36.08 | 72.15 | | | |
| linear | 2 | 78.09 | 88.75 | -35.04 | 70.09 | 2.063 | 1 | 0.1509 |
| smooth (df = 2) | 3 | 77.42 | 102.42 | -33.71 | 67.42 | 2.666 | 1 | 0.1025 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2016 | 2.969 | 4.024 | 1.0550 | 0.6904 | 1.528 | 0.1871 |
| last 20 years | 2005 | 2016 | 2.969 | 4.024 | 1.0550 | 0.6904 | 1.528 | 0.1871 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 55.9 | 26.0 | -0.7657 | 0.4187 | -1.829 | 0.9365 |
| EC | 55.9 | 1000.0 | 2.8839 | 0.4187 | 6.888 | 0.0005 |
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
