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Marine Environment Monitoring and Assessment National database (MERMAN)
Location of station  IrishSea_IrSIntermediateE_fi04 (Morecambe Bay)
Location of station at Morecambe Bay ©

CSEMP assessment of mercury in biota at Morecambe Bay

Statistical analysis

Details

Media : Biota (Common dab muscle)
Station : IrishSea_IrSIntermediateE_fi04 (Morecambe Bay)
Determinand : Mercury
Units : μg kg-1 wet weight
Data extraction : 19 October 2016

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-24.00-21.7515.00-30.00
linear2-29.49-24.9218.75-37.497.497 10.0062
smooth (df = 2)3-28.20-19.8719.10-38.200.706 10.4009
smooth (df = 3)4-27.03-12.6319.51-39.030.828 10.3628

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920125.1685.6770.50950.15653.2560.0099
last 20 years199920125.1685.6770.50950.15653.2560.0099

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC292.1 35.0-2.1217 0.0931-22.8011.0000
EC292.1500.0 0.5375 0.0931 5.7770.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  mercury in biota at Morecambe Bay


Assessment plot

Assessment plot for  mercury in biota at Morecambe Bay


Metals data

Metals data for assessment of  mercury in biota at Morecambe Bay


Metals assessment

Metals assessment of  mercury in biota at Morecambe Bay


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