CSEMP assessment of CB101 in biota at Flamborough
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 135.15 | 137.40 | -64.57 | 129.15 | |||
linear | 2 | 132.38 | 136.95 | -62.19 | 124.38 | 4.771 | 1 | 0.0290 |
smooth (df = 2) | 3 | 131.05 | 139.39 | -60.53 | 121.05 | 3.326 | 1 | 0.0682 |
smooth (df = 3) | 4 | 131.22 | 145.62 | -59.61 | 119.22 | 1.837 | 1 | 0.1753 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 1999 | 2017 | 0.0699 | 1.7196 | 1.6497 | 0.6833 | 2.414 | 0.0390 |
last 20 years | 1999 | 2017 | 0.0699 | 1.7196 | 1.6497 | 0.6833 | 2.414 | 0.0390 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 5.582 | 0.080 | -4.245 | 0.410 | -10.359 | 1.0000 |
EAC | 5.582 | 23.716 | 1.447 | 0.410 | 3.530 | 0.0032 |
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 : TyneTees_TTOpenSeaS_fi01 (Flamborough)
Determinand : CB101
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : TyneTees_TTOpenSeaS_fi01 (Flamborough)
Determinand : CB101
Units : μg kg-1 wet weight
Data extraction : 30 April 2020