CSEMP assessment of benzo[g,h,i]perylene in sediment at middle (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 69.69 | 71.94 | -31.85 | 63.69 | | | |
| linear | 2 | 71.69 | 76.26 | -31.85 | 63.69 | 0.001 | 1 | 0.9813 |
| smooth (df = 2) | 3 | 72.57 | 80.90 | -31.28 | 62.57 | 1.124 | 1 | 0.2891 |
| smooth (df = 3) | 4 | 61.56 | 75.96 | -24.78 | 49.56 | 13.012 | 1 | 0.0003 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2006 | 2018 | 4.984 | 4.974 | -0.0097 | 0.3912 | -0.025 | 0.9808 |
| last 20 years | 2006 | 2018 | 4.984 | 4.974 | -0.0097 | 0.3912 | -0.025 | 0.9808 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 144.6 | 80.0 | -0.5920 | 0.2351 | -2.518 | 0.9836 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at middle (Firth of Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_clyd_(m)__sdmn_bghip_au.jpg "Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at middle (Firth of Clyde)")
Raw data with assessment
![Raw data with assessment of benzo[g,h,i]perylene in sediment at middle (Firth of Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_clyd_(m)__sdmn_bghip_da.jpg "Raw data with assessment of benzo[g,h,i]perylene in sediment at middle (Firth of Clyde)")
Assessment plot
![Assessment plot for benzo[g,h,i]perylene in sediment at middle (Firth of Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_clyd_(m)__sdmn_bghip_as.jpg "Assessment plot for benzo[g,h,i]perylene in sediment at middle (Firth of Clyde)")
PAH (parent) data
![PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at middle (Firth of Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_clyd_(m)__sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at middle (Firth of Clyde)")
PAH (parent) assessment
![PAH (parent) assessment of benzo[g,h,i]perylene in sediment at middle (Firth of Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_frth_f_clyd_(m)__sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[g,h,i]perylene in sediment at middle (Firth of Clyde)")
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