Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of mercury in biota at Liverpool Bay

Statistical analysis

Details

Media : Biota (Common dab muscle)
Station : IrishSea_IrSIntermediateE_fi02 (Liverpool Bay)
Determinand : Mercury
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 4.376.620.81 -1.63
linear2-4.530.046.27-12.5310.903 10.0010
smooth (df = 2)3-2.635.706.32-12.63 0.100 10.7515
smooth (df = 3)4-4.789.628.39-16.78 4.146 10.0417

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920165.4344.937-0.4961 0.1149-4.3170.0019
last 20 years199920165.4344.937-0.4961 0.1149-4.3170.0019

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC139.4 35.0-1.3820 0.0725-19.0541.0000
EC139.4500.0 1.2772 0.0725 17.609<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  mercury in biota at Liverpool Bay


Assessment plot

Assessment plot for  mercury in biota at Liverpool Bay


Metals data

Metals data for assessment of  mercury in biota at Liverpool Bay


Metals assessment

Metals assessment of  mercury in biota at Liverpool Bay


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