CSEMP assessment of phenanthrene in biota at DougoldCarrickM
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 7.41 | 9.81 | -1.71 | 3.41 | |||
linear | 2 | 9.41 | 15.41 | -1.71 | 3.41 | 0.002 | 1 | 0.9620 |
smooth (df = 2) | 3 | 11.25 | 24.58 | -1.63 | 3.25 | 0.160 | 1 | 0.6894 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2011 | 2018 | 1.7959 | 1.7806 | -0.0153 | 0.3217 | -0.048 | 0.9635 |
last 20 years | 2011 | 2018 | 1.7959 | 1.7806 | -0.0153 | 0.3217 | -0.048 | 0.9635 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 5.93 | 1.79 | -1.197 | 0.192 | -6.236 | 0.9996 |
EAC | 5.93 | 277.10 | 3.844 | 0.192 | 20.029 | <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 : Phenanthrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_BelfastLoughInnr_sh08 (DougoldCarrickM)
Determinand : Phenanthrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020