CSEMP assessment of CB118 in biota at West Lundy
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 19.62 | 28.62 | -6.81 | 13.62 | |||
linear | 2 | 18.59 | 50.59 | -5.30 | 10.59 | 3.028 | 1 | 0.0818 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2005 | 2018 | 1.9697 | 1.1577 | -0.8119 | 0.3952 | -2.055 | 0.1322 |
last 20 years | 2005 | 2018 | 1.9697 | 1.1577 | -0.8119 | 0.3952 | -2.055 | 0.1322 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 3.183 | 0.100 | -3.460 | 0.205 | -16.859 | 0.9998 |
EAC | 3.183 | 4.900 | 0.431 | 0.205 | 2.102 | 0.0632 |
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 (Common dab liver)
Station : Severn_SeOpenSeaE_fi01 (West Lundy)
Determinand : CB118
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : Severn_SeOpenSeaE_fi01 (West Lundy)
Determinand : CB118
Units : μg kg-1 wet weight
Data extraction : 30 April 2020