CSEMP assessment of BDE47 in sediment at South Minch
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 49.27 | 55.27 | -21.64 | 43.27 | |||
linear | 2 | 51.06 | 67.06 | -21.53 | 43.06 | 0.214 | 1 | 0.6436 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2007 | 2015 | -2.2597 | -1.6698 | 0.5899 | 1.2688 | 0.465 | 0.6662 |
last 20 years | 2007 | 2015 | -2.2597 | -1.6698 | 0.5899 | 1.2688 | 0.465 | 0.6662 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 0.19 | 0.05 | -1.326 | 0.815 | -1.626 | 0.9104 |
FEQG | 0.19 | 97.50 | 6.250 | 0.815 | 7.666 | 0.0008 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Organo-bromines data
Organo-bromines assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for organo-bromines in sediment
- Accessment criteria for organo-bromines in sediment
Media : Sediment (unsieved)
Station : MinchMalin_TheMinchSouth_se01 (South Minch)
Determinand : BDE47
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020
Station : MinchMalin_TheMinchSouth_se01 (South Minch)
Determinand : BDE47
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020