Marine Environment Monitoring and Assessment National database (MERMAN)
Location of station  IrishSea_IrSIntermediateE_fi01 (Inner Liverpool Bay)
Location of station at Inner Liverpool Bay ©

CSEMP assessment of lead in biota at Inner Liverpool Bay

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : IrishSea_IrSIntermediateE_fi01 (Inner Liverpool Bay)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 19 October 2016

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean181.7584.75-37.8875.75
linear283.6590.05-37.8375.650.102 10.7495
smooth (df = 2)383.6296.12-36.8173.622.027 10.1545

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120124.8974.784-0.1125 0.3511-0.3210.7579
last 20 years200120124.8974.784-0.1125 0.3511-0.3210.7579

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 119.6 26.0-1.5262 0.2066-7.3880.9999
EC 119.61500.0 2.5289 0.206612.243<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Inner Liverpool Bay


Raw data with assessment

Raw data with assessment of  lead in biota at Inner Liverpool Bay


Assessment plot

Assessment plot for  lead in biota at Inner Liverpool Bay


Metals data

Metals data for assessment of  lead in biota at Inner Liverpool Bay


Metals assessment

Metals assessment of  lead in biota at Inner Liverpool Bay


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