Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of lead in biota at North Dogger 2

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : HumWash_HWOpenSeaNE_fi02 (North Dogger 2)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 19 October 2016

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean191.50 95.10-42.7585.50
linear290.42 98.42-41.2182.423.077 10.0794
smooth (df = 2)392.00108.67-41.0082.000.420 10.5167

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320114.0673.117-0.9502 0.4838-1.9640.0971
last 20 years200320114.0673.117-0.9502 0.4838-1.9640.0971

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 22.6 26.00.1410.290 0.4880.3214
EC 22.61500.04.1960.29014.487<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at North Dogger 2


Raw data with assessment

Raw data with assessment of  lead in biota at North Dogger 2


Assessment plot

Assessment plot for  lead in biota at North Dogger 2


Metals data

Metals data for assessment of  lead in biota at North Dogger 2


Metals assessment

Metals assessment of  lead in biota at North Dogger 2


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