Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of lead in biota at Indefatigable Bank

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : HumWash_HWOpenSeaS_fi02 (Indefatigable Bank)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean144.0747.67-19.0438.07
linear245.4453.44-18.7237.440.638 10.4245
smooth (df = 2)344.7761.44-17.3934.772.664 10.1026

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320114.0354.3540.31930.39180.8150.4462
last 20 years200320114.0354.3540.31930.39180.8150.4462

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 77.8 26.0-1.0961 0.2362-4.6400.9982
EC 77.81500.0 2.9590 0.236212.527<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Indefatigable Bank


Raw data with assessment

Raw data with assessment of  lead in biota at Indefatigable Bank


Assessment plot

Assessment plot for  lead in biota at Indefatigable Bank


Metals data

Metals data for assessment of  lead in biota at Indefatigable Bank


Metals assessment

Metals assessment of  lead in biota at Indefatigable Bank


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