CSEMP assessment of c2 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 | 132.48 | 135.05 | -63.24 | 126.48 | | | |
| linear | 2 | 133.63 | 138.96 | -62.81 | 125.63 | 0.848 | 1 | 0.3571 |
| smooth (df = 2) | 3 | 135.62 | 145.62 | -62.81 | 125.62 | 0.006 | 1 | 0.9396 |
| smooth (df = 3) | 4 | 137.33 | 155.33 | -62.66 | 125.33 | 0.295 | 1 | 0.5872 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2018 | 5.406 | 5.929 | 0.5234 | 0.5548 | 0.943 | 0.3731 |
| last 20 years | 2009 | 2018 | 5.406 | 5.929 | 0.5234 | 0.5548 | 0.943 | 0.3731 |
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 Clyde)")
Raw data with assessment
__sdmn_pac2_da.jpg "Raw data with assessment of c2 phenanthrenes in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_pac2_as.jpg "Assessment plot for c2 phenanthrenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c2 phenanthrenes in sediment at inner (Firth of Clyde)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c2 phenanthrenes in sediment at inner (Firth of Clyde)")
Related pages
