Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of lead in biota at West Dogger

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : HumWash_HWOpenSeaNE_fi03 (West Dogger)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean187.46 90.46-40.7381.46
linear289.29 95.69-40.6581.290.164 10.6853
smooth (df = 2)389.92102.42-39.9679.921.369 10.2419

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120114.2604.5630.30310.74420.4070.6960
last 20 years200120114.2604.5630.30310.74420.4070.6960

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 95.8 26.0-1.3045 0.4212-3.0970.9913
EC 95.81500.0 2.7506 0.4212 6.5310.0002

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at West Dogger


Raw data with assessment

Raw data with assessment of  lead in biota at West Dogger


Assessment plot

Assessment plot for  lead in biota at West Dogger


Metals data

Metals data for assessment of  lead in biota at West Dogger


Metals assessment

Metals assessment of  lead in biota at West Dogger


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