CSEMP assessment of benzo[a]pyrene in biota at Ross'sRockM
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 3.66 | 7.66 | 0.17 | -0.34 | |||
linear | 2 | 4.06 | 16.06 | 0.97 | -1.94 | 1.601 | 1 | 0.2058 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2011 | 2016 | 0.2467 | 0.6267 | 0.3799 | 0.3003 | 1.265 | 0.2745 |
last 20 years | 2011 | 2016 | 0.2467 | 0.6267 | 0.3799 | 0.3003 | 1.265 | 0.2745 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 1.87 | 0.23 | -2.104 | 0.176 | -11.957 | 0.9999 |
EAC | 1.87 | 97.80 | 3.956 | 0.176 | 22.481 | <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_sh11 (Ross'sRockM)
Determinand : Benzo[a]pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_BelfastLoughInnr_sh11 (Ross'sRockM)
Determinand : Benzo[a]pyrene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020