CSEMP assessment of CB156 in sediment at Skelmorlie (Clyde)
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 28.13 | 34.13 | -11.07 | 22.13 | |||
linear | 2 | 29.91 | 45.91 | -10.96 | 21.91 | 0.221 | 1 | 0.6384 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2008 | 2013 | -1.4911 | -1.2378 | 0.2533 | 0.5322 | 0.476 | 0.6590 |
last 20 years | 2008 | 2013 | -1.4911 | -1.2378 | 0.2533 | 0.5322 | 0.476 | 0.6590 |
Status assessment
No assessment criteria
Raw data with supporting information
Raw data with assessment
Assessment plot
Chlorobiphenyls data
Chlorobiphenyls assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for chlorobiphenyls in sediment
- Accessment criteria for chlorobiphenyls in sediment
Media : Sediment (unsieved)
Station : Clyde_FirthCInnerCumbraes_se02, Skelmorlie (Clyde)
Determinand : CB156
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020
Station : Clyde_FirthCInnerCumbraes_se02, Skelmorlie (Clyde)
Determinand : CB156
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020