CSEMP assessment of anthracene in biota at New Brighton (Mersey)
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 18.80 | 27.80 | -6.40 | 12.80 | |||
linear | 2 | 17.53 | 49.53 | -4.77 | 9.53 | 3.267 | 1 | 0.0707 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2003 | 2018 | -0.9666 | 0.1594 | 1.1260 | 0.5334 | 2.111 | 0.1253 |
last 20 years | 2003 | 2018 | -0.9666 | 0.1594 | 1.1260 | 0.5334 | 2.111 | 0.1253 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
EAC | 1.17 | 47.27 | 3.696 | 0.233 | 15.836 | 0.0003 |
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_Mersey_sh01, New Brighton (Mersey)
Determinand : Anthracene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_Mersey_sh01, New Brighton (Mersey)
Determinand : Anthracene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020