CSEMP assessment of c1 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 | 151.81 | 154.81 | -72.90 | 145.81 | | | |
| linear | 2 | 148.93 | 155.33 | -70.46 | 140.93 | 4.881 | 1 | 0.0271 |
| smooth (df = 2) | 3 | 145.41 | 157.91 | -67.70 | 135.41 | 5.518 | 1 | 0.0188 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2017 | 4.951 | 6.416 | 1.4657 | 0.5822 | 2.518 | 0.0399 |
| last 20 years | 2009 | 2017 | 4.951 | 6.416 | 1.4657 | 0.5822 | 2.518 | 0.0399 |
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 Clyde)")
Raw data with assessment
__sdmn_pac1_da.jpg "Raw data with assessment of c1 phenanthrenes in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_pac1_as.jpg "Assessment plot for c1 phenanthrenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c1 phenanthrenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c1 phenanthrenes in sediment at inner (Firth of Clyde)")
Related pages
