CSEMP assessment of BDE28 in biota at Flamborough
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 75.29 | 78.89 | -34.65 | 69.29 | |||
linear | 2 | 68.12 | 76.12 | -30.06 | 60.12 | 9.165 | 1 | 0.0025 |
smooth (df = 2) | 3 | 64.32 | 80.99 | -27.16 | 54.32 | 5.804 | 1 | 0.0160 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2005 | 2017 | -1.0345 | -2.6968 | -1.6623 | 0.4109 | -4.046 | 0.0068 |
last 20 years | 2005 | 2017 | -1.0345 | -2.6968 | -1.6623 | 0.4109 | -4.046 | 0.0068 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 0.07 | 0.01 | -1.726 | 0.275 | -6.285 | 0.9996 |
FEQG | 0.07 | 120.00 | 7.484 | 0.275 | 27.254 | <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_TTOpenSeaS_fi01 (Flamborough)
Determinand : BDE28
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : TyneTees_TTOpenSeaS_fi01 (Flamborough)
Determinand : BDE28
Units : μg kg-1 wet weight
Data extraction : 30 April 2020