CSEMP assessment of CB156 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 | 54.05 | 60.05 | -24.02 | 48.05 | |||
| linear | 2 | 55.37 | 71.37 | -23.68 | 47.37 | 0.681 | 1 | 0.4091 |
Change in log concentration
| Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
|---|---|---|---|---|---|---|---|---|
| overall | 2012 | 2018 | -2.9636 | -2.4514 | 0.5122 | 0.5811 | 0.881 | 0.4279 |
| last 20 years | 2012 | 2018 | -2.9636 | -2.4514 | 0.5122 | 0.5811 | 0.881 | 0.4279 |
Status assessment
No assessment criteria
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for in sediment
- Accessment criteria for in sediment
Media : Sediment (unsieved)
Station : Firth_of_Clyde_(middle)_seSF, middle (Firth of Clyde)
Determinand : CB156
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020
Station : Firth_of_Clyde_(middle)_seSF, middle (Firth of Clyde)
Determinand : CB156
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020