CSEMP assessment of benzo[g,h,i]perylene in biota at Mostyn Bank (Dee)
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 45.21 | 54.21 | -19.61 | 39.21 | |||
linear | 2 | 46.86 | 78.86 | -19.43 | 38.86 | 0.360 | 1 | 0.5487 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 1999 | 2018 | 0.0891 | -0.9142 | -1.0033 | 1.5722 | -0.638 | 0.5688 |
last 20 years | 1999 | 2018 | 0.0891 | -0.9142 | -1.0033 | 1.5722 | -0.638 | 0.5688 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 0.401 | 0.408 | 0.016 | 0.970 | 0.017 | 0.4938 |
EAC | 0.401 | 17.930 | 3.801 | 0.970 | 3.918 | 0.0148 |
Raw data with supporting information
Raw data with assessment
Assessment plot
PAH (parent) data
PAH (parent) assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for pah_(parent) in biota
- Accessment criteria for pah_(parent) in biota
Media : Biota (Blue mussel soft body)
Station : IrishSea_DeeNWales_sh01, Mostyn Bank (Dee)
Determinand : Benzo[g,h,i]perylene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_DeeNWales_sh01, Mostyn Bank (Dee)
Determinand : Benzo[g,h,i]perylene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020