Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of lead in biota at North Dogger 1


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Statistical analysis

Details

Media : Biota (Common dab liver)
Station : HumWash_HWOpenSeaNE_fi01 (North Dogger 1)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 19 October 2016

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean149.8854.38-21.9443.88
linear251.7462.41-21.8743.740.138 10.7098
smooth (df = 2)353.7278.72-21.8643.720.016 10.8993

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200420113.7083.8920.18420.49290.3740.7239
last 20 years200420113.7083.8920.18420.49290.3740.7239

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 49 26-0.634 0.293-2.1650.9587
EC 491500 3.421 0.29311.676<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at North Dogger 1


Raw data with assessment

Raw data with assessment of  lead in biota at North Dogger 1


Assessment plot

Assessment plot for  lead in biota at North Dogger 1


Metals data

Metals data for assessment of  lead in biota at North Dogger 1


Metals assessment

Metals assessment of  lead in biota at North Dogger 1


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