CSEMP assessment of benzo[a]anthracene 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 | -5.35 | -1.35 | 4.67 | -9.35 | |||
linear | 2 | -3.76 | 8.24 | 4.88 | -9.76 | 0.415 | 1 | 0.5192 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2011 | 2016 | 1.4333 | 1.3326 | -0.10076 | 0.15632 | -0.645 | 0.5543 |
last 20 years | 2011 | 2016 | 1.4333 | 1.3326 | -0.10076 | 0.15632 | -0.645 | 0.5543 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 3.791 | 0.408 | -2.2303 | 0.0945 | -23.613 | 1.0000 |
EAC | 3.791 | 13.040 | 1.2354 | 0.0945 | 13.080 | <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]anthracene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : IrishSea_BelfastLoughInnr_sh11 (Ross'sRockM)
Determinand : Benzo[a]anthracene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020