CSEMP assessment of CB180 in biota at Forth estuary @ Blackness
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 28.78 | 34.78 | -11.39 | 22.78 | |||
linear | 2 | 30.62 | 46.62 | -11.31 | 22.62 | 0.168 | 1 | 0.6815 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 1999 | 2014 | -1.8931 | -1.6392 | 0.2540 | 0.5594 | 0.454 | 0.6734 |
last 20 years | 1999 | 2014 | -1.8931 | -1.6392 | 0.2540 | 0.5594 | 0.454 | 0.6734 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 0.194 | 0.098 | -0.686 | 0.330 | -2.080 | 0.9470 |
EAC | 0.194 | 6.097 | 3.447 | 0.330 | 10.459 | 0.0002 |
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_LowerForthEstuary_sh01 (Forth estuary @ Blackness)
Determinand : CB180
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : Forth_LowerForthEstuary_sh01 (Forth estuary @ Blackness)
Determinand : CB180
Units : μg kg-1 wet weight
Data extraction : 30 April 2020