CSEMP assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 51.76 | 53.14 | -22.88 | 45.76 | | | |
| linear | 2 | 47.41 | 50.08 | -19.71 | 39.41 | 6.344 | 1 | 0.0118 |
| smooth (df = 2) | 3 | 48.00 | 52.55 | -19.00 | 38.00 | 1.410 | 1 | 0.2350 |
| smooth (df = 3) | 4 | 49.38 | 56.58 | -18.69 | 37.38 | 0.624 | 1 | 0.4296 |
| smooth (df = 4) | 5 | 45.41 | 56.30 | -15.71 | 31.41 | 5.968 | 1 | 0.0146 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2018 | 6.393 | 5.514 | -0.8792 | 0.3183 | -2.762 | 0.0153 |
| last 20 years | 2000 | 2018 | 6.393 | 5.514 | -0.8792 | 0.3183 | -2.762 | 0.0153 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 248.2 | 80.0 | -1.1322 | 0.2119 | -5.344 | 0.9999 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_bghip_au.jpg "Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)")
Raw data with assessment
![Raw data with assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_bghip_da.jpg "Raw data with assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)")
Assessment plot
![Assessment plot for benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_bghip_as.jpg "Assessment plot for benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)")
PAH (parent) data
![PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)")
PAH (parent) assessment
![PAH (parent) assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_frthcn_06_sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[g,h,i]perylene in sediment at Holy Loch (Clyde)")
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