CSEMP assessment of CB180 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 | 42.72 | 51.72 | -18.36 | 36.72 | |||
linear | 2 | 43.36 | 75.36 | -17.68 | 35.36 | 1.357 | 1 | 0.2440 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2005 | 2018 | 2.5244 | 1.7187 | -0.8057 | 0.6433 | -1.252 | 0.2992 |
last 20 years | 2005 | 2018 | 2.5244 | 1.7187 | -0.8057 | 0.6433 | -1.252 | 0.2992 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 5.58 | 0.11 | -3.926 | 0.333 | -11.777 | 0.9993 |
EAC | 5.58 | 91.92 | 2.802 | 0.333 | 8.406 | 0.0018 |
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 : CB180
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : Severn_SeOpenSeaE_fi01 (West Lundy)
Determinand : CB180
Units : μg kg-1 wet weight
Data extraction : 30 April 2020