CSEMP assessment of indeno[123-cd]pyrene in biota at MiddleBankM
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 14.32 | 17.32 | -5.16 | 10.32 | |||
linear | 2 | 15.49 | 23.49 | -4.74 | 9.49 | 0.828 | 1 | 0.3628 |
smooth (df = 2) | 3 | 8.62 | 28.62 | -0.31 | 0.62 | 8.865 | 1 | 0.0029 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2011 | 2018 | 0.3062 | 0.8351 | 0.5289 | 0.5742 | 0.921 | 0.3992 |
last 20 years | 2011 | 2018 | 0.3062 | 0.8351 | 0.5289 | 0.5742 | 0.921 | 0.3992 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 2.3051 | 0.3912 | -1.7737 | 0.3564 | -4.977 | 0.9979 |
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 : Indeno[123-cd]pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_BelfastLoughInnr_sh10 (MiddleBankM)
Determinand : Indeno[123-cd]pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020