CSEMP assessment of benzo[a]pyrene in sediment at South Minch
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 59.58 | 62.15 | -26.79 | 53.58 | | | |
| linear | 2 | 59.11 | 64.44 | -25.55 | 51.11 | 2.469 | 1 | 0.1161 |
| smooth (df = 2) | 3 | 56.67 | 66.67 | -23.34 | 46.67 | 4.435 | 1 | 0.0352 |
| smooth (df = 3) | 4 | 57.65 | 75.65 | -22.82 | 45.65 | 1.024 | 1 | 0.3116 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2006 | 2016 | 2.876 | 3.237 | 0.3613 | 0.2254 | 1.603 | 0.1477 |
| last 20 years | 2006 | 2016 | 2.876 | 3.237 | 0.3613 | 0.2254 | 1.603 | 0.1477 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 25.5 | 30.0 | 0.1644 | 0.1468 | 1.120 | 0.1477 |
| ERL | 25.5 | 430.0 | 2.8270 | 0.1468 | 19.255 | <0.0001 |
Raw data with supporting information
![Raw data with supporting information for assessment of benzo[a]pyrene in sediment at South Minch](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_mnchmln_thmnchs_01_sdmn_bap_au.jpg "Raw data with supporting information for assessment of benzo[a]pyrene in sediment at South Minch")
Raw data with assessment
![Raw data with assessment of benzo[a]pyrene in sediment at South Minch](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_mnchmln_thmnchs_01_sdmn_bap_da.jpg "Raw data with assessment of benzo[a]pyrene in sediment at South Minch")
Assessment plot
![Assessment plot for benzo[a]pyrene in sediment at South Minch](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_mnchmln_thmnchs_01_sdmn_bap_as.jpg "Assessment plot for benzo[a]pyrene in sediment at South Minch")
PAH (parent) data
![PAH (parent) data for assessment of benzo[a]pyrene in sediment at South Minch](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_mnchmln_thmnchs_01_sdmn_p(p)da.jpg "PAH (parent) data for assessment of benzo[a]pyrene in sediment at South Minch")
PAH (parent) assessment
![PAH (parent) assessment of benzo[a]pyrene in sediment at South Minch](/projects/data_management/uk/merman/assessments_and_data_access/csemp/assessments/images/sediment_mnchmln_thmnchs_01_sdmn_p(p)as.jpg "PAH (parent) assessment of benzo[a]pyrene in sediment at South Minch")
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