CSEMP assessment of c3 phenanthrenes in sediment at inner (Firth of Forth)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 168.75 | 171.75 | -81.38 | 162.75 | | | |
| linear | 2 | 170.75 | 177.15 | -81.38 | 162.75 | 0.002 | 1 | 0.9687 |
| smooth (df = 2) | 3 | 172.46 | 184.96 | -81.23 | 162.46 | 0.293 | 1 | 0.5882 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2018 | 4.513 | 4.550 | 0.0365 | 0.9243 | 0.039 | 0.9696 |
| last 20 years | 2009 | 2018 | 4.513 | 4.550 | 0.0365 | 0.9243 | 0.039 | 0.9696 |
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 Forth)")
Raw data with assessment
__sdmn_pac3_da.jpg "Raw data with assessment of c3 phenanthrenes in sediment at inner (Firth of Forth)")
Assessment plot
__sdmn_pac3_as.jpg "Assessment plot for c3 phenanthrenes in sediment at inner (Firth of Forth)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c3 phenanthrenes in sediment at inner (Firth of Forth)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c3 phenanthrenes in sediment at inner (Firth of Forth)")
Related pages
