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 | 65.97 | 68.54 | -29.99 | 59.97 | | | |
| linear | 2 | 67.96 | 73.30 | -29.98 | 59.96 | 0.005 | 1 | 0.9411 |
| smooth (df = 2) | 3 | 68.38 | 78.38 | -29.19 | 58.38 | 1.581 | 1 | 0.2086 |
| smooth (df = 3) | 4 | 51.01 | 69.01 | -19.51 | 39.01 | 19.373 | 1 | <0.0001 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2006 | 2017 | 4.960 | 4.993 | 0.0338 | 0.4460 | 0.076 | 0.9415 |
| last 20 years | 2006 | 2017 | 4.960 | 4.993 | 0.0338 | 0.4460 | 0.076 | 0.9415 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 147.44 | 80.00 | -0.6114 | 0.2728 | -2.241 | 0.9723 |
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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