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 | 125.59 | 128.59 | -59.80 | 119.59 | | | |
| linear | 2 | 125.25 | 131.65 | -58.62 | 117.25 | 2.343 | 1 | 0.1258 |
| smooth (df = 2) | 3 | 125.66 | 138.16 | -57.83 | 115.66 | 1.586 | 1 | 0.2079 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2017 | 5.262 | 6.155 | 0.8931 | 0.5449 | 1.639 | 0.1452 |
| last 20 years | 2009 | 2017 | 5.262 | 6.155 | 0.8931 | 0.5449 | 1.639 | 0.1452 |
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
