CSEMP assessment of c1 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 | 141.23 | 144.23 | -67.62 | 135.23 | | | |
| linear | 2 | 143.22 | 149.62 | -67.61 | 135.22 | 0.010 | 1 | 0.9195 |
| smooth (df = 2) | 3 | 145.19 | 157.69 | -67.59 | 135.19 | 0.036 | 1 | 0.8491 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2018 | 4.904 | 4.974 | 0.0705 | 0.6959 | 0.101 | 0.9221 |
| last 20 years | 2009 | 2018 | 4.904 | 4.974 | 0.0705 | 0.6959 | 0.101 | 0.9221 |
Status assessment
No assessment criteria
Raw data with supporting information
__sdmn_pac1_au.jpg "Raw data with supporting information for assessment of c1 phenanthrenes in sediment at inner (Firth of Forth)")
Raw data with assessment
__sdmn_pac1_da.jpg "Raw data with assessment of c1 phenanthrenes in sediment at inner (Firth of Forth)")
Assessment plot
__sdmn_pac1_as.jpg "Assessment plot for c1 phenanthrenes in sediment at inner (Firth of Forth)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c1 phenanthrenes in sediment at inner (Firth of Forth)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c1 phenanthrenes in sediment at inner (Firth of Forth)")
Related pages
