CSEMP assessment of CB153 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 | 22.19 | 31.19 | -8.10 | 16.19 | |||
linear | 2 | 22.51 | 54.51 | -7.25 | 14.51 | 1.687 | 1 | 0.1940 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2005 | 2018 | 3.0106 | 2.5393 | -0.4713 | 0.3298 | -1.429 | 0.2483 |
last 20 years | 2005 | 2018 | 3.0106 | 2.5393 | -0.4713 | 0.3298 | -1.429 | 0.2483 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 12.67 | 0.10 | -4.842 | 0.172 | -28.186 | 1.0000 |
EAC | 12.67 | 310.66 | 3.199 | 0.172 | 18.625 | 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 (Common dab liver)
Station : Severn_SeOpenSeaE_fi01 (West Lundy)
Determinand : CB153
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : Severn_SeOpenSeaE_fi01 (West Lundy)
Determinand : CB153
Units : μg kg-1 wet weight
Data extraction : 30 April 2020