CSEMP assessment of benzo[g,h,i]perylene 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 | 55.71 | 61.71 | -24.86 | 49.71 | |||
linear | 2 | 57.49 | 73.49 | -24.75 | 49.49 | 0.221 | 1 | 0.6381 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2004 | 2018 | 0.11536 | -0.20129 | -0.3167 | 0.6527 | -0.485 | 0.6529 |
last 20 years | 2004 | 2018 | 0.11536 | -0.20129 | -0.3167 | 0.6527 | -0.485 | 0.6529 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 0.818 | 0.408 | -0.6964 | 0.3938 | -1.768 | 0.9241 |
EAC | 0.818 | 17.930 | 3.0878 | 0.3938 | 7.840 | 0.0007 |
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 : Benzo[g,h,i]perylene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : HumWash_Witham_sh01, Off Boston (Wash)
Determinand : Benzo[g,h,i]perylene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020