CSEMP assessment of cadmium in biota at Farne
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 39.89 | 44.39 | -16.95 | 33.89 | | | |
| linear | 2 | 40.64 | 51.31 | -16.32 | 32.64 | 1.252 | 1 | 0.2632 |
| smooth (df = 2) | 3 | 41.76 | 66.76 | -15.88 | 31.76 | 0.886 | 1 | 0.3466 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2006 | 2017 | 5.716 | 5.947 | 0.23120 | 0.20465 | 1.130 | 0.3098 |
| last 20 years | 2006 | 2017 | 5.716 | 5.947 | 0.23120 | 0.20465 | 1.130 | 0.3098 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 382.7 | 26.0 | -2.6891 | 0.1227 | -21.910 | 1.0000 |
| EC | 382.7 | 1000.0 | 0.9605 | 0.1227 | 7.826 | 0.0003 |
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
