Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of mercury in biota at Burbo Light (Liverpool Bay)

Statistical analysis

Details

Media : Biota (Common dab muscle)
Station : IrishSea_IrSOpenSea_fi04, Burbo Light (Liverpool Bay)
Determinand : Mercury
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean110.6712.92-2.334.67
linear212.2816.85-2.144.280.389 10.5328
smooth (df = 2)313.9722.30-1.983.970.308 10.5790
smooth (df = 3)414.6029.00-1.302.601.366 10.2425

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120165.1415.2810.140290.223250.6280.5453
last 20 years200120165.1415.2810.140290.223250.6280.5453

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC196.6 35.0-1.7261 0.1521-11.3511.0000
EC196.6500.0 0.9332 0.1521 6.137<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at Burbo Light (Liverpool Bay)


Raw data with assessment

Raw data with assessment of  mercury in biota at Burbo Light (Liverpool Bay)


Assessment plot

Assessment plot for  mercury in biota at Burbo Light (Liverpool Bay)


Metals data

Metals data for assessment of  mercury in biota at Burbo Light (Liverpool Bay)


Metals assessment

Metals assessment of  mercury in biota at Burbo Light (Liverpool Bay)


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