CSEMP assessment of lead in biota at VictoriaDockM
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 17.15 | 26.15 | -5.57 | 11.15 | |||
linear | 2 | 18.22 | 50.22 | -5.11 | 10.22 | 0.930 | 1 | 0.3349 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2012 | 2018 | 8.131 | 6.793 | -1.3377 | 1.3253 | -1.009 | 0.3872 |
last 20 years | 2012 | 2018 | 8.131 | 6.793 | -1.3377 | 1.3253 | -1.009 | 0.3872 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 892.0 | 211.9 | -1.4373 | 0.8913 | -1.613 | 0.8974 |
EC | 892.0 | 1500.0 | 0.5198 | 0.8913 | 0.583 | 0.3004 |
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
Media : Biota (Blue mussel soft body)
Station : IrishSea_BelfastLoughInnr_sh12 (VictoriaDockM)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_BelfastLoughInnr_sh12 (VictoriaDockM)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 30 April 2020