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
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for organo-bromines in biota
- Accessment criteria for organo-bromines in biota
Media : Biota (Common dab liver)
Station : TyneTees_TTInter_fi01 (Amble)
Determinand : BDE47
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : TyneTees_TTInter_fi01 (Amble)
Determinand : BDE47
Units : μg kg-1 wet weight
Data extraction : 30 April 2020