CSEMP assessment of pyrene in biota at NarrowWaterM
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 7.95 | 10.35 | -1.98 | 3.95 | |||
linear | 2 | 9.92 | 15.92 | -1.96 | 3.92 | 0.030 | 1 | 0.8626 |
smooth (df = 2) | 3 | 9.81 | 23.14 | -0.90 | 1.81 | 2.115 | 1 | 0.1459 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2011 | 2018 | 3.0923 | 3.1502 | 0.0578 | 0.3338 | 0.173 | 0.8681 |
last 20 years | 2011 | 2018 | 3.0923 | 3.1502 | 0.0578 | 0.3338 | 0.173 | 0.8681 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 23.340 | 1.467 | -2.7669 | 0.1995 | -13.866 | 1.0000 |
EAC | 23.340 | 16.300 | -0.3590 | 0.1995 | -1.799 | 0.9389 |
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 : Pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_NewryEstuary_sh01 (NarrowWaterM)
Determinand : Pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020