CSEMP assessment of fluoranthene in biota at Tynemouth
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 18.56 | 20.56 | -7.28 | 14.56 | |||
linear | 2 | 13.94 | 18.74 | -3.97 | 7.94 | 6.622 | 1 | 0.0101 |
smooth (df = 2) | 3 | 15.75 | 25.75 | -3.87 | 7.75 | 0.188 | 1 | 0.6650 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2007 | 2018 | 2.0492 | 0.7655 | -1.2837 | 0.4284 | -2.996 | 0.0200 |
last 20 years | 2007 | 2018 | 2.0492 | 0.7655 | -1.2837 | 0.4284 | -2.996 | 0.0200 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 2.150 | 1.989 | -0.0780 | 0.2861 | -0.273 | 0.6036 |
EAC | 2.150 | 17.930 | 2.1210 | 0.2861 | 7.413 | <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 : Forth_NorthBerwickBarnsN_sh01 (Tynemouth)
Determinand : Fluoranthene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : Forth_NorthBerwickBarnsN_sh01 (Tynemouth)
Determinand : Fluoranthene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020