CSEMP assessment of CB138 in biota at Amble
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 65.95 | 68.95 | -29.97 | 59.95 | |||
linear | 2 | 67.86 | 74.26 | -29.93 | 59.86 | 0.087 | 1 | 0.7675 |
smooth (df = 2) | 3 | 69.13 | 81.63 | -29.56 | 59.13 | 0.735 | 1 | 0.3912 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 1999 | 2013 | 2.2602 | 2.1907 | -0.06947 | 0.23428 | -0.297 | 0.7754 |
last 20 years | 1999 | 2013 | 2.2602 | 2.1907 | -0.06947 | 0.23428 | -0.297 | 0.7754 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 8.94 | 0.09 | -4.599 | 0.134 | -34.404 | 1.0000 |
EAC | 8.94 | 62.13 | 1.939 | 0.134 | 14.503 | <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 : TyneTees_TTInter_fi01 (Amble)
Determinand : CB138
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : TyneTees_TTInter_fi01 (Amble)
Determinand : CB138
Units : μg kg-1 wet weight
Data extraction : 30 April 2020