CSEMP assessment of benzo[a]pyrene in biota at DougoldCarrickM
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | -0.75 | 2.25 | 2.37 | -4.75 | |||
linear | 2 | 1.10 | 9.10 | 2.45 | -4.90 | 0.150 | 1 | 0.6981 |
smooth (df = 2) | 3 | 3.02 | 23.02 | 2.49 | -4.98 | 0.082 | 1 | 0.7740 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2011 | 2018 | 0.4422 | 0.3268 | -0.11539 | 0.29745 | -0.388 | 0.7140 |
last 20 years | 2011 | 2018 | 0.4422 | 0.3268 | -0.11539 | 0.29745 | -0.388 | 0.7140 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 1.39 | 0.23 | -1.804 | 0.185 | -9.774 | 0.9999 |
EAC | 1.39 | 97.80 | 4.256 | 0.185 | 23.054 | <0.0001 |
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_BelfastLoughInnr_sh08 (DougoldCarrickM)
Determinand : Benzo[a]pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_BelfastLoughInnr_sh08 (DougoldCarrickM)
Determinand : Benzo[a]pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020