CSEMP assessment of c2 phenanthrenes in sediment at Tancred (Forth)
Statistical analysis
Trend assessment
Analysis of variance
| Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
|---|---|---|---|---|---|---|---|---|
| mean | 1 | 39.03 | 45.03 | -16.52 | 33.03 | |||
| linear | 2 | 40.96 | 56.96 | -16.48 | 32.96 | 0.066 | 1 | 0.7971 |
Change in log concentration
| Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
|---|---|---|---|---|---|---|---|---|
| overall | 2005 | 2018 | 4.815 | 5.009 | 0.1937 | 0.7495 | 0.259 | 0.8088 |
| last 20 years | 2005 | 2018 | 4.815 | 5.009 | 0.1937 | 0.7495 | 0.259 | 0.8088 |
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 : Forth_LowerForthEstuary_se02, Tancred (Forth)
Determinand : C2 Phenanthrenes
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020
Station : Forth_LowerForthEstuary_se02, Tancred (Forth)
Determinand : C2 Phenanthrenes
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020