Marine Environment Monitoring and Assessment National database (MERMAN)
Location of station  IrishSea_IrSIntermediateE_fi02 (Liverpool Bay)
Location of station at Liverpool Bay ©

CSEMP assessment of lead in biota at Liverpool Bay

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : IrishSea_IrSIntermediateE_fi02 (Liverpool Bay)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 19 October 2016

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean140.5444.14-17.2734.54
linear241.9049.90-16.9533.900.637 10.4249
smooth (df = 2)341.6158.28-15.8031.612.289 10.1303

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120124.7034.427-0.2757 0.3379-0.8160.4457
last 20 years200120124.7034.427-0.2757 0.3379-0.8160.4457

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 83.7 26.0-1.1687 0.1925-6.0700.9995
EC 83.71500.0 2.8864 0.192514.992<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  lead in biota at Liverpool Bay


Assessment plot

Assessment plot for  lead in biota at Liverpool Bay


Metals data

Metals data for assessment of  lead in biota at Liverpool Bay


Metals assessment

Metals assessment of  lead in biota at Liverpool Bay


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