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 | -5.39 | 0.61 | 4.69 | -9.39 | | | |
| linear | 2 | -4.58 | 19.42 | 5.29 | -10.58 | 1.194 | 1 | 0.2746 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2011 | 2017 | 7.293 | 7.165 | -0.12805 | 0.10999 | -1.164 | 0.3285 |
| last 20 years | 2011 | 2017 | 7.293 | 7.165 | -0.12805 | 0.10999 | -1.164 | 0.3285 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 1293.2 | 978.0 | -0.27935 | 0.07867 | -3.551 | 0.9810 |
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
