CSEMP assessment of pyrene in biota at Ross'sRockM
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 3.24 | 7.24 | 0.38 | -0.76 | |||
linear | 2 | 2.66 | 14.66 | 1.67 | -3.34 | 2.580 | 1 | 0.1082 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2011 | 2016 | 2.8678 | 2.4754 | -0.3924 | 0.2182 | -1.798 | 0.1465 |
last 20 years | 2011 | 2016 | 2.8678 | 2.4754 | -0.3924 | 0.2182 | -1.798 | 0.1465 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 11.886 | 1.467 | -2.0922 | 0.1326 | -15.775 | 1.0000 |
EAC | 11.886 | 16.300 | 0.3158 | 0.1326 | 2.381 | 0.0380 |
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_sh11 (Ross'sRockM)
Determinand : Pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_BelfastLoughInnr_sh11 (Ross'sRockM)
Determinand : Pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020