CSEMP assessment of CB118 in biota at Tynemouth
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 19.90 | 25.90 | -7.95 | 15.90 | |||
linear | 2 | 21.89 | 45.89 | -7.95 | 15.89 | 0.010 | 1 | 0.9211 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2008 | 2018 | -1.6018 | -1.5285 | 0.0733 | 0.7400 | 0.099 | 0.9273 |
last 20 years | 2008 | 2018 | -1.6018 | -1.5285 | 0.0733 | 0.7400 | 0.099 | 0.9273 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 0.2169 | 0.0978 | -0.7963 | 0.3937 | -2.023 | 0.9319 |
EAC | 0.2169 | 0.3250 | 0.4046 | 0.3937 | 1.028 | 0.1899 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for chlorobiphenyls in biota
- Accessment criteria for chlorobiphenyls in biota
Media : Biota (Blue mussel soft body)
Station : Forth_NorthBerwickBarnsN_sh01 (Tynemouth)
Determinand : CB118
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : Forth_NorthBerwickBarnsN_sh01 (Tynemouth)
Determinand : CB118
Units : μg kg-1 wet weight
Data extraction : 30 April 2020