Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of lead in biota at Forth estuary @ Tancred

Statistical analysis

Details

Media : Biota (Flounder liver)
Station : Forth_LowerForthEstuary_fi01 (Forth estuary @ Tancred)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean171.2074.20-32.6065.20
linear272.5478.94-32.2764.540.658 10.4174
smooth (df = 2)369.6082.10-29.8059.604.943 10.0262

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920164.2843.714-0.5702 0.6892-0.8270.4353
last 20 years199920164.2843.714-0.5702 0.6892-0.8270.4353

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 41 26-0.456 0.346-1.3180.8854
EC 411500 3.599 0.34610.395<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Forth estuary @ Tancred


Raw data with assessment

Raw data with assessment of  lead in biota at Forth estuary @ Tancred


Assessment plot

Assessment plot for  lead in biota at Forth estuary @ Tancred


Metals data

Metals data for assessment of  lead in biota at Forth estuary @ Tancred


Metals assessment

Metals assessment of  lead in biota at Forth estuary @ Tancred


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