CSEMP assessment of CB156 in sediment at inner (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 66.46 | 75.46 | -30.23 | 60.46 | |||
linear | 2 | 66.14 | 98.14 | -29.07 | 58.14 | 2.326 | 1 | 0.1272 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2012 | 2018 | -2.5267 | -1.5058 | 1.0209 | 0.6572 | 1.553 | 0.2182 |
last 20 years | 2012 | 2018 | -2.5267 | -1.5058 | 1.0209 | 0.6572 | 1.553 | 0.2182 |
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 : Firth_of_Clyde_(inner)_seSF, inner (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_(inner)_seSF, inner (Firth of Clyde)
Determinand : CB156
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020