CSEMP assessment of c2 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 | 149.61 | 153.21 | -71.80 | 143.61 | | | |
| linear | 2 | 150.50 | 158.50 | -71.25 | 142.50 | 1.105 | 1 | 0.2932 |
| smooth (df = 2) | 3 | 152.36 | 169.03 | -71.18 | 142.36 | 0.140 | 1 | 0.7086 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2016 | 4.341 | 5.285 | 0.9439 | 0.8656 | 1.091 | 0.3173 |
| last 20 years | 2009 | 2016 | 4.341 | 5.285 | 0.9439 | 0.8656 | 1.091 | 0.3173 |
Status assessment
No assessment criteria
Raw data with supporting information
__sdmn_pac2_au.jpg "Raw data with supporting information for assessment of c2 phenanthrenes in sediment at inner (Firth of Forth)")
Raw data with assessment
__sdmn_pac2_da.jpg "Raw data with assessment of c2 phenanthrenes in sediment at inner (Firth of Forth)")
Assessment plot
__sdmn_pac2_as.jpg "Assessment plot for c2 phenanthrenes in sediment at inner (Firth of Forth)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c2 phenanthrenes in sediment at inner (Firth of Forth)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c2 phenanthrenes in sediment at inner (Firth of Forth)")
Related pages
