CSEMP assessment of copper in biota at NarrowWaterM
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | -4.05 | -0.05 | 4.03 | -8.05 | | | |
| linear | 2 | -2.44 | 9.56 | 4.22 | -8.44 | 0.386 | 1 | 0.5343 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2011 | 2018 | 7.246 | 7.329 | 0.08382 | 0.13294 | 0.631 | 0.5626 |
| last 20 years | 2011 | 2018 | 7.246 | 7.329 | 0.08382 | 0.13294 | 0.631 | 0.5626 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 1524.4 | 978.0 | -0.4438 | 0.0886 | -5.009 | 0.9963 |
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
