CSEMP assessment of CB105 in sediment at Holy Loch (Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 23.85 | 28.35 | -8.92 | 17.85 | | | |
| linear | 2 | 24.91 | 35.58 | -8.45 | 16.91 | 0.937 | 1 | 0.3329 |
| smooth (df = 2) | 3 | 26.82 | 51.82 | -8.41 | 16.82 | 0.089 | 1 | 0.7651 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2008 | 2017 | -0.0671 | 0.7533 | 0.8203 | 0.8068 | 1.017 | 0.3559 |
| last 20 years | 2008 | 2017 | -0.0671 | 0.7533 | 0.8203 | 0.8068 | 1.017 | 0.3559 |
Status assessment
No assessment criteria
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
