Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of lead in biota at Off Humber

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : HumWash_HWOpenSeaS_fi01 (Off Humber)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1114.55117.12-54.27108.55
linear2115.88121.21-53.94107.88 0.666 10.4145
smooth (df = 2)3117.73127.73-53.87107.73 0.147 10.7018
smooth (df = 3)4106.78124.78-47.39 94.7812.953 10.0003

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120156.7246.219-0.5041 0.5998-0.8400.4251
last 20 years200120156.7246.219-0.5041 0.5998-0.8400.4251

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 502.4 26.0-2.9614 0.3807-7.7781.0000
EC 502.41500.0 1.0937 0.3807 2.8730.0104

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Off Humber


Raw data with assessment

Raw data with assessment of  lead in biota at Off Humber


Assessment plot

Assessment plot for  lead in biota at Off Humber


Metals data

Metals data for assessment of  lead in biota at Off Humber


Metals assessment

Metals assessment of  lead in biota at Off Humber


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