CSEMP assessment of benzo[g,h,i]perylene in sediment at Skelmorlie (Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 61.13 | 62.93 | -27.56 | 55.13 | | | |
| linear | 2 | 60.62 | 64.17 | -26.31 | 52.62 | 2.509 | 1 | 0.1132 |
| smooth (df = 2) | 3 | 62.54 | 68.79 | -26.27 | 52.54 | 0.076 | 1 | 0.7835 |
| smooth (df = 3) | 4 | 63.05 | 73.33 | -25.52 | 51.05 | 1.494 | 1 | 0.2216 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2013 | 5.905 | 5.307 | -0.5984 | 0.3635 | -1.646 | 0.1280 |
| last 20 years | 2000 | 2013 | 5.905 | 5.307 | -0.5984 | 0.3635 | -1.646 | 0.1280 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 201.65 | 80.00 | -0.9245 | 0.2197 | -4.207 | 0.9993 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at Skelmorlie (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_f_02_sdmn_bghip_au.jpg "Raw data with supporting information for assessment of benzo[g,h,i]perylene in sediment at Skelmorlie (Clyde)")
Raw data with assessment
![Raw data with assessment of benzo[g,h,i]perylene in sediment at Skelmorlie (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_f_02_sdmn_bghip_da.jpg "Raw data with assessment of benzo[g,h,i]perylene in sediment at Skelmorlie (Clyde)")
Assessment plot
![Assessment plot for benzo[g,h,i]perylene in sediment at Skelmorlie (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_f_02_sdmn_bghip_as.jpg "Assessment plot for benzo[g,h,i]perylene in sediment at Skelmorlie (Clyde)")
PAH (parent) data
![PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at Skelmorlie (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_f_02_sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[g,h,i]perylene in sediment at Skelmorlie (Clyde)")
PAH (parent) assessment
![PAH (parent) assessment of benzo[g,h,i]perylene in sediment at Skelmorlie (Clyde)](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_clyd_f_02_sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[g,h,i]perylene in sediment at Skelmorlie (Clyde)")
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