CSEMP assessment of benzo[g,h,i]perylene in biota at MiddleBankM
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 1.77 | 4.17 | 1.11 | -2.23 | |||
linear | 2 | 3.68 | 9.68 | 1.16 | -2.32 | 0.090 | 1 | 0.7638 |
smooth (df = 2) | 3 | -1.26 | 12.07 | 4.63 | -9.26 | 6.940 | 1 | 0.0084 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2011 | 2018 | 1.1149 | 1.1838 | 0.06887 | 0.22911 | 0.301 | 0.7739 |
last 20 years | 2011 | 2018 | 1.1149 | 1.1838 | 0.06887 | 0.22911 | 0.301 | 0.7739 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 3.267 | 0.408 | -2.0815 | 0.1354 | -15.372 | 1.0000 |
EAC | 3.267 | 17.930 | 1.7027 | 0.1354 | 12.575 | <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 : IrishSea_BelfastLoughInnr_sh10 (MiddleBankM)
Determinand : Benzo[g,h,i]perylene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_BelfastLoughInnr_sh10 (MiddleBankM)
Determinand : Benzo[g,h,i]perylene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020