CSEMP assessment of zinc in biota at VictoriaDockM
Statistical analysis
Trend assessment
Analysis of variance
| Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
|---|---|---|---|---|---|---|---|---|
| mean | 1 | -23.50 | -14.50 | 14.75 | -29.50 | |||
| linear | 2 | -31.54 | 0.46 | 19.77 | -39.54 | 10.034 | 1 | 0.0015 |
Change in log concentration
| Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
|---|---|---|---|---|---|---|---|---|
| overall | 2011 | 2018 | 10.150 | 9.823 | -0.3267 | 0.0958 | -3.409 | 0.0422 |
| last 20 years | 2011 | 2018 | 10.150 | 9.823 | -0.3267 | 0.0958 | -3.409 | 0.0422 |
Status assessment
| Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
|---|---|---|---|---|---|---|
| BAC | 18454 | 10269 | -0.5862 | 0.0716 | -8.187 | 0.9981 |
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for in biota
- Accessment criteria for in biota
Media : Biota (Blue mussel soft body)
Station : IrishSea_BelfastLoughInnr_sh12 (VictoriaDockM)
Determinand : Zinc
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_BelfastLoughInnr_sh12 (VictoriaDockM)
Determinand : Zinc
Units : μg kg-1 wet weight
Data extraction : 30 April 2020