CSEMP assessment of benzo[a]anthracene in biota at NarrowWaterM
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | -1.91 | 1.09 | 2.95 | -5.91 | | | |
| linear | 2 | -3.44 | 4.56 | 4.72 | -9.44 | 3.529 | 1 | 0.0603 |
| smooth (df = 2) | 3 | -2.98 | 17.02 | 5.49 | -10.98 | 1.542 | 1 | 0.2143 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2011 | 2018 | 2.4551 | 2.1255 | -0.3296 | 0.1594 | -2.067 | 0.0936 |
| last 20 years | 2011 | 2018 | 2.4551 | 2.1255 | -0.3296 | 0.1594 | -2.067 | 0.0936 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 8.377 | 0.408 | -3.0232 | 0.1031 | -29.312 | 1.0000 |
| EAC | 8.377 | 13.040 | 0.4425 | 0.1031 | 4.291 | 0.0039 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[a]anthracene in biota at NarrowWaterM](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/shellfish_irshs_n_01_blms_baa_au.jpg "Raw data with supporting information for assessment of benzo[a]anthracene in biota at NarrowWaterM")
Raw data with assessment
![Raw data with assessment of benzo[a]anthracene in biota at NarrowWaterM](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/shellfish_irshs_n_01_blms_baa_da.jpg "Raw data with assessment of benzo[a]anthracene in biota at NarrowWaterM")
Assessment plot
![Assessment plot for benzo[a]anthracene in biota at NarrowWaterM](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/shellfish_irshs_n_01_blms_baa_as.jpg "Assessment plot for benzo[a]anthracene in biota at NarrowWaterM")
PAH (parent) data
![PAH (parent) data for assessment of benzo[a]anthracene in biota at NarrowWaterM](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/shellfish_irshs_n_01_blms_p(p)da.jpg "PAH (parent) data for assessment of benzo[a]anthracene in biota at NarrowWaterM")
PAH (parent) assessment
![PAH (parent) assessment of benzo[a]anthracene in biota at NarrowWaterM](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/shellfish_irshs_n_01_blms_p(p)as.jpg "PAH (parent) assessment of benzo[a]anthracene in biota at NarrowWaterM")
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