CSEMP assessment of anthracene in biota at Tynemouth
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 20.82 | 26.82 | -8.41 | 16.82 | |||
linear | 2 | 13.41 | 37.41 | -3.70 | 7.41 | 9.418 | 1 | 0.0021 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2008 | 2018 | 1.3042 | -1.3207 | -2.6250 | 0.5195 | -5.053 | 0.0150 |
last 20 years | 2008 | 2018 | 1.3042 | -1.3207 | -2.6250 | 0.5195 | -5.053 | 0.0150 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
EAC | 0.27 | 47.27 | 5.177 | 0.500 | 10.355 | 0.0010 |
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 : Forth_NorthBerwickBarnsN_sh01 (Tynemouth)
Determinand : Anthracene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : Forth_NorthBerwickBarnsN_sh01 (Tynemouth)
Determinand : Anthracene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020