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
Media : Biota (Blue mussel soft body)
Station : IrishSea_NewryEstuary_sh01 (NarrowWaterM)
Determinand : Copper
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_NewryEstuary_sh01 (NarrowWaterM)
Determinand : Copper
Units : μg kg-1 wet weight
Data extraction : 30 April 2020