CSEMP assessment of c3 phenanthrenes in sediment at inner (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 146.94 | 149.94 | -70.47 | 140.94 | | | |
| linear | 2 | 147.72 | 154.12 | -69.86 | 139.72 | 1.223 | 1 | 0.2688 |
| smooth (df = 2) | 3 | 149.44 | 161.94 | -69.72 | 139.44 | 0.285 | 1 | 0.5931 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2017 | 4.374 | 5.626 | 1.2520 | 1.0992 | 1.139 | 0.2922 |
| last 20 years | 2009 | 2017 | 4.374 | 5.626 | 1.2520 | 1.0992 | 1.139 | 0.2922 |
Status assessment
No assessment criteria
Raw data with supporting information
__sdmn_pac3_au.jpg "Raw data with supporting information for assessment of c3 phenanthrenes in sediment at inner (Firth of Clyde)")
Raw data with assessment
__sdmn_pac3_da.jpg "Raw data with assessment of c3 phenanthrenes in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_pac3_as.jpg "Assessment plot for c3 phenanthrenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c3 phenanthrenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c3 phenanthrenes in sediment at inner (Firth of Clyde)")
Related pages
