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 | 163.18 | 166.18 | -78.59 | 157.18 | | | |
| linear | 2 | 164.69 | 171.09 | -78.34 | 156.69 | 0.493 | 1 | 0.4826 |
| smooth (df = 2) | 3 | 166.33 | 178.83 | -78.17 | 156.33 | 0.358 | 1 | 0.5499 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2018 | 4.529 | 5.129 | 0.6001 | 0.8442 | 0.711 | 0.5002 |
| last 20 years | 2009 | 2018 | 4.529 | 5.129 | 0.6001 | 0.8442 | 0.711 | 0.5002 |
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
