CSEMP assessment of cadmium in biota at Amble
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 63.08 | 65.33 | -28.54 | 57.08 | | | |
| linear | 2 | 64.20 | 68.77 | -28.10 | 56.20 | 0.884 | 1 | 0.3472 |
| smooth (df = 2) | 3 | 65.20 | 73.53 | -27.60 | 55.20 | 0.998 | 1 | 0.3178 |
| smooth (df = 3) | 4 | 67.20 | 81.60 | -27.60 | 55.20 | 0.004 | 1 | 0.9511 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2002 | 2017 | 5.154 | 5.396 | 0.24291 | 0.25318 | 0.959 | 0.3624 |
| last 20 years | 2002 | 2017 | 5.154 | 5.396 | 0.24291 | 0.25318 | 0.959 | 0.3624 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 220.6 | 26.0 | -2.1384 | 0.1652 | -12.943 | 1.0000 |
| EC | 220.6 | 1000.0 | 1.5113 | 0.1652 | 9.147 | <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
