CSEMP assessment of phenanthrene in biota at Forth estuary @ Blackness
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 12.45 | 15.02 | -3.22 | 6.45 | | | |
| linear | 2 | 8.35 | 13.68 | -0.18 | 0.35 | 6.097 | 1 | 0.0135 |
| smooth (df = 2) | 3 | 10.29 | 20.29 | -0.15 | 0.29 | 0.059 | 1 | 0.8086 |
| smooth (df = 3) | 4 | 6.79 | 24.79 | 2.61 | -5.21 | 5.506 | 1 | 0.0189 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2001 | 2014 | 2.1510 | 1.1859 | -0.9651 | 0.3276 | -2.946 | 0.0185 |
| last 20 years | 2001 | 2014 | 2.1510 | 1.1859 | -0.9651 | 0.3276 | -2.946 | 0.0185 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 3.27 | 1.79 | -0.602 | 0.158 | -3.809 | 0.9974 |
| EAC | 3.27 | 277.10 | 4.438 | 0.158 | 28.080 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
PAH (parent) data
da.jpg "PAH (parent) data for assessment of phenanthrene in biota at Forth estuary @ Blackness")
PAH (parent) assessment
as.jpg "PAH (parent) assessment of phenanthrene in biota at Forth estuary @ Blackness")
Related pages
