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 | 84.93 | 88.53 | -39.47 | 78.93 | | | |
| linear | 2 | 84.11 | 92.11 | -38.05 | 76.11 | 2.828 | 1 | 0.0926 |
| smooth (df = 2) | 3 | 85.10 | 101.77 | -37.55 | 75.10 | 1.006 | 1 | 0.3158 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | 3.044 | 4.122 | 1.0781 | 0.5967 | 1.807 | 0.1208 |
| last 20 years | 2005 | 2018 | 3.044 | 4.122 | 1.0781 | 0.5967 | 1.807 | 0.1208 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 61.7 | 26.0 | -0.8642 | 0.3611 | -2.393 | 0.9731 |
| EC | 61.7 | 1000.0 | 2.7855 | 0.3611 | 7.714 | 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
