CSEMP assessment of BD100 in biota at West Lundy
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 57.90 | 66.90 | -25.95 | 51.90 | |||
linear | 2 | 51.88 | 83.88 | -21.94 | 43.88 | 8.020 | 1 | 0.0046 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2005 | 2018 | -0.3884 | -2.1237 | -1.7353 | 0.3913 | -4.435 | 0.0213 |
last 20 years | 2005 | 2018 | -0.3884 | -2.1237 | -1.7353 | 0.3913 | -4.435 | 0.0213 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 0.1196 | 0.0120 | -2.2992 | 0.2036 | -11.292 | 0.9993 |
FEQG | 0.1196 | 1.0000 | 2.1237 | 0.2036 | 10.430 | 0.0009 |
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 : Severn_SeOpenSeaE_fi01 (West Lundy)
Determinand : BD100
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : Severn_SeOpenSeaE_fi01 (West Lundy)
Determinand : BD100
Units : μg kg-1 wet weight
Data extraction : 30 April 2020