CSEMP assessment of chrysene in biota at NarrowWaterM
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 9.94 | 12.94 | -2.97 | 5.94 | |||
linear | 2 | 4.12 | 12.12 | 0.94 | -1.88 | 7.817 | 1 | 0.0052 |
smooth (df = 2) | 3 | 0.15 | 20.15 | 3.92 | -7.85 | 5.966 | 1 | 0.0146 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2011 | 2018 | 2.4343 | 1.5686 | -0.8656 | 0.2263 | -3.826 | 0.0123 |
last 20 years | 2011 | 2018 | 2.4343 | 1.5686 | -0.8656 | 0.2263 | -3.826 | 0.0123 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 4.80 | 1.32 | -1.2908 | 0.1397 | -9.240 | 0.9999 |
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_NewryEstuary_sh01 (NarrowWaterM)
Determinand : Chrysene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_NewryEstuary_sh01 (NarrowWaterM)
Determinand : Chrysene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020