CSEMP assessment of c3 phenanthrenes in sediment at middle (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 133.96 | 136.96 | -63.98 | 127.96 | | | |
| linear | 2 | 135.27 | 141.67 | -63.63 | 127.27 | 0.691 | 1 | 0.4057 |
| smooth (df = 2) | 3 | 136.38 | 148.88 | -63.19 | 126.38 | 0.888 | 1 | 0.3460 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2017 | 4.976 | 4.427 | -0.5493 | 0.6494 | -0.846 | 0.4256 |
| last 20 years | 2009 | 2017 | 4.976 | 4.427 | -0.5493 | 0.6494 | -0.846 | 0.4256 |
Status assessment
No assessment criteria
Raw data with supporting information
__sdmn_pac3_au.jpg "Raw data with supporting information for assessment of c3 phenanthrenes in sediment at middle (Firth of Clyde)")
Raw data with assessment
__sdmn_pac3_da.jpg "Raw data with assessment of c3 phenanthrenes in sediment at middle (Firth of Clyde)")
Assessment plot
__sdmn_pac3_as.jpg "Assessment plot for c3 phenanthrenes in sediment at middle (Firth of Clyde)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c3 phenanthrenes in sediment at middle (Firth of Clyde)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c3 phenanthrenes in sediment at middle (Firth of Clyde)")
Related pages
