CSEMP assessment of BD153 in biota at Off Newhaven
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 103.79 | 108.29 | -48.90 | 97.79 | |||
linear | 2 | 97.34 | 108.01 | -44.67 | 89.34 | 8.454 | 1 | 0.0036 |
smooth (df = 2) | 3 | 95.64 | 120.64 | -42.82 | 85.64 | 3.700 | 1 | 0.0544 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2005 | 2017 | -1.011 | -3.188 | -2.1774 | 0.6672 | -3.264 | 0.0224 |
last 20 years | 2005 | 2017 | -1.011 | -3.188 | -2.1774 | 0.6672 | -3.264 | 0.0224 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 0.041 | 0.012 | -1.235 | 0.463 | -2.667 | 0.9777 |
FEQG | 0.041 | 4.000 | 4.574 | 0.463 | 9.880 | <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 : EastChan_ECInterE_fi02 (Off Newhaven)
Determinand : BD153
Units : μg kg-1 wet weight
Data extraction : 27 June 2019
Station : EastChan_ECInterE_fi02 (Off Newhaven)
Determinand : BD153
Units : μg kg-1 wet weight
Data extraction : 27 June 2019