CSEMP assessment of fluoranthene in biota at Off Boston (Wash)
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 25.74 | 28.74 | -9.87 | 19.74 | |||
linear | 2 | 27.49 | 33.89 | -9.75 | 19.49 | 0.246 | 1 | 0.6197 |
smooth (df = 2) | 3 | 27.76 | 40.26 | -8.88 | 17.76 | 1.731 | 1 | 0.1883 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2003 | 2018 | 2.0909 | 2.0019 | -0.08899 | 0.17873 | -0.498 | 0.6338 |
last 20 years | 2003 | 2018 | 2.0909 | 2.0019 | -0.08899 | 0.17873 | -0.498 | 0.6338 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 7.403 | 1.989 | -1.3145 | 0.1149 | -11.443 | 1.0000 |
EAC | 7.403 | 17.930 | 0.8846 | 0.1149 | 7.701 | <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 : HumWash_Witham_sh01, Off Boston (Wash)
Determinand : Fluoranthene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : HumWash_Witham_sh01, Off Boston (Wash)
Determinand : Fluoranthene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020