CSEMP assessment of BDE99 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 | 50.20 | 54.70 | -22.10 | 44.20 | | | |
| linear | 2 | 52.18 | 62.85 | -22.09 | 44.18 | 0.014 | 1 | 0.9045 |
| smooth (df = 2) | 3 | 54.18 | 79.18 | -22.09 | 44.18 | 0.002 | 1 | 0.9638 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2018 | -1.5512 | -1.5199 | 0.03132 | 0.26070 | 0.120 | 0.9090 |
| last 20 years | 2009 | 2018 | -1.5512 | -1.5199 | 0.03132 | 0.26070 | 0.120 | 0.9090 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.2187 | 0.0500 | -1.4759 | 0.1500 | -9.838 | 0.9999 |
| FEQG | 0.2187 | 1.0000 | 1.5199 | 0.1500 | 10.131 | <0.0001 |
Raw data with supporting information
__sdmn_bde99_au.jpg "Raw data with supporting information for assessment of BDE99 in sediment at middle (Firth of Clyde)")
Raw data with assessment
__sdmn_bde99_da.jpg "Raw data with assessment of BDE99 in sediment at middle (Firth of Clyde)")
Assessment plot
__sdmn_bde99_as.jpg "Assessment plot for BDE99 in sediment at middle (Firth of Clyde)")
Organo-bromines data
__sdmn_orgn-bda.jpg "Organo-bromines data for assessment of BDE99 in sediment at middle (Firth of Clyde)")
Organo-bromines assessment
__sdmn_orgn-bas.jpg "Organo-bromines assessment of BDE99 in sediment at middle (Firth of Clyde)")
Related pages
