CSEMP assessment of zinc in biota at NarrowWaterM
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | -1.64 | 4.36 | 2.82 | -5.64 | | | |
| linear | 2 | -1.49 | 22.51 | 3.74 | -7.49 | 1.848 | 1 | 0.1741 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2011 | 2018 | 9.800 | 9.565 | -0.23439 | 0.17029 | -1.376 | 0.2624 |
| last 20 years | 2011 | 2018 | 9.800 | 9.565 | -0.23439 | 0.17029 | -1.376 | 0.2624 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 14262 | 10269 | -0.3285 | 0.1277 | -2.572 | 0.9588 |
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
