CSEMP assessment of pyrene in biota at MiddleBankM
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 11.13 | 13.53 | -3.57 | 7.13 | |||
linear | 2 | 9.38 | 15.38 | -1.69 | 3.38 | 3.754 | 1 | 0.0527 |
smooth (df = 2) | 3 | 11.07 | 24.40 | -1.53 | 3.07 | 0.313 | 1 | 0.5757 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2011 | 2018 | 3.1229 | 2.4173 | -0.7056 | 0.3226 | -2.187 | 0.0713 |
last 20 years | 2011 | 2018 | 3.1229 | 2.4173 | -0.7056 | 0.3226 | -2.187 | 0.0713 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 11.215 | 1.467 | -2.0341 | 0.1929 | -10.545 | 1.0000 |
EAC | 11.215 | 16.300 | 0.3739 | 0.1929 | 1.938 | 0.0503 |
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_sh10 (MiddleBankM)
Determinand : Pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_BelfastLoughInnr_sh10 (MiddleBankM)
Determinand : Pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020