CSEMP assessment of zinc in biota at Cork Hole (Wash)
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | -19.42 | -14.92 | 12.71 | -25.42 | |||
linear | 2 | -17.49 | -6.82 | 12.74 | -25.49 | 0.065 | 1 | 0.7994 |
smooth (df = 2) | 3 | -15.49 | 9.51 | 12.75 | -25.49 | 0.007 | 1 | 0.9331 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 1999 | 2015 | 9.465 | 9.501 | 0.03558 | 0.13972 | 0.255 | 0.8092 |
last 20 years | 1999 | 2015 | 9.465 | 9.501 | 0.03558 | 0.13972 | 0.255 | 0.8092 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 13367 | 10269 | -0.26365 | 0.09629 | -2.738 | 0.9796 |
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 : HumWash_Owash_sh01, Cork Hole (Wash)
Determinand : Zinc
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : HumWash_Owash_sh01, Cork Hole (Wash)
Determinand : Zinc
Units : μg kg-1 wet weight
Data extraction : 30 April 2020