CSEMP assessment of BDE47 in biota at Amble
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 116.27 | 118.85 | -55.14 | 110.27 | | | |
| linear | 2 | 116.92 | 122.26 | -54.46 | 108.92 | 1.350 | 1 | 0.2452 |
| smooth (df = 2) | 3 | 112.73 | 122.73 | -51.37 | 102.73 | 6.193 | 1 | 0.0128 |
| smooth (df = 3) | 4 | 112.36 | 130.36 | -50.18 | 100.36 | 2.371 | 1 | 0.1236 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2003 | 2017 | 0.5851 | -0.4725 | -1.0576 | 0.8797 | -1.202 | 0.2637 |
| last 20 years | 2003 | 2017 | 0.5851 | -0.4725 | -1.0576 | 0.8797 | -1.202 | 0.2637 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.62 | 0.01 | -3.950 | 0.548 | -7.208 | 1.0000 |
| FEQG | 0.62 | 44.00 | 4.257 | 0.548 | 7.767 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Organo-bromines data
Organo-bromines assessment
Related pages
