Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of lead in biota at Grimsby Roads (Lower Humber)

Statistical analysis

Details

Media : Biota (Flounder liver)
Station : HumWash_HumberLow_fi01, Grimsby Roads (Lower Humber)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 19 October 2016

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean126.0629.66-10.0320.06
linear227.5635.56 -9.7819.560.497 10.4806
smooth (df = 2)328.9845.65 -9.4918.980.584 10.4449

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220124.4824.6040.122030.172460.7080.5057
last 20 years200220124.4824.6040.122030.172460.7080.5057

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 99.9 26.0-1.3461 0.1115-12.0701.0000
EC 99.91500.0 2.7090 0.1115 24.290<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Grimsby Roads (Lower Humber)


Raw data with assessment

Raw data with assessment of  lead in biota at Grimsby Roads (Lower Humber)


Assessment plot

Assessment plot for  lead in biota at Grimsby Roads (Lower Humber)


Metals data

Metals data for assessment of  lead in biota at Grimsby Roads (Lower Humber)


Metals assessment

Metals assessment of  lead in biota at Grimsby Roads (Lower Humber)


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