CSEMP assessment of CB101 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 | 36.36 | 45.36 | -15.18 | 30.36 | |||
linear | 2 | 35.30 | 67.30 | -13.65 | 27.30 | 3.059 | 1 | 0.0803 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2005 | 2018 | 0.1558 | 0.6075 | 0.4518 | 0.2514 | 1.797 | 0.1702 |
last 20 years | 2005 | 2018 | 0.1558 | 0.6075 | 0.4518 | 0.2514 | 1.797 | 0.1702 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 1.836 | 0.080 | -3.1333 | 0.1302 | -24.058 | 0.9999 |
EAC | 1.836 | 23.716 | 2.5586 | 0.1302 | 19.645 | 0.0001 |
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 : CB101
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : Severn_SeOpenSeaE_fi01 (West Lundy)
Determinand : CB101
Units : μg kg-1 wet weight
Data extraction : 30 April 2020