CSEMP assessment of CB153 in biota at Amble
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 79.81 | 82.06 | -36.91 | 73.81 | |||
linear | 2 | 79.65 | 84.22 | -35.83 | 71.65 | 2.160 | 1 | 0.1417 |
smooth (df = 2) | 3 | 79.78 | 88.11 | -34.89 | 69.78 | 1.875 | 1 | 0.1709 |
smooth (df = 3) | 4 | 81.54 | 95.94 | -34.77 | 69.54 | 0.233 | 1 | 0.6292 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 1999 | 2017 | 2.7494 | 2.3091 | -0.4403 | 0.2853 | -1.543 | 0.1572 |
last 20 years | 1999 | 2017 | 2.7494 | 2.3091 | -0.4403 | 0.2853 | -1.543 | 0.1572 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 10.07 | 0.10 | -4.612 | 0.167 | -27.672 | 1.0000 |
EAC | 10.07 | 310.66 | 3.430 | 0.167 | 20.579 | <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 : CB153
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : TyneTees_TTInter_fi01 (Amble)
Determinand : CB153
Units : μg kg-1 wet weight
Data extraction : 30 April 2020