Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of bde47 in biota at Morecambe Bay

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : IrishSea_IrSIntermediateE_fi04 (Morecambe Bay)
Determinand : BDE47
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1105.98108.98-49.9999.98
linear2101.06107.46-46.5393.066.921 10.0085
smooth (df = 2)3101.88114.38-45.9491.881.182 10.2770

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320162.98760.5685-2.4191 0.7495-3.2270.0145
last 20 years200320162.98760.5685-2.4191 0.7495-3.2270.0145

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 1.77 0.01-4.991 0.484-10.3081.0000
FEQG 1.7744.00 3.216 0.484 6.6410.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  bde47 in biota at Morecambe Bay


Raw data with assessment

Raw data with assessment of  bde47 in biota at Morecambe Bay


Assessment plot

Assessment plot for  bde47 in biota at Morecambe Bay


Organo-bromines data

Organo-bromines data for assessment of  bde47 in biota at Morecambe Bay


Organo-bromines assessment

Organo-bromines assessment of  bde47 in biota at Morecambe Bay


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