CSEMP assessment of indeno[123-cd]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 | 1.51 | 4.51 | 1.25 | -2.49 | |||
linear | 2 | 2.84 | 10.84 | 1.58 | -3.16 | 0.668 | 1 | 0.4138 |
smooth (df = 2) | 3 | 3.27 | 23.27 | 2.36 | -4.73 | 1.566 | 1 | 0.2108 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2011 | 2018 | 1.3077 | 1.0505 | -0.25721 | 0.31473 | -0.817 | 0.4510 |
last 20 years | 2011 | 2018 | 1.3077 | 1.0505 | -0.25721 | 0.31473 | -0.817 | 0.4510 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 2.8591 | 0.3912 | -1.9890 | 0.1956 | -10.170 | 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 : Indeno[123-cd]pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_NewryEstuary_sh01 (NarrowWaterM)
Determinand : Indeno[123-cd]pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020