Marine Environment Monitoring and Assessment National database (MERMAN)
Location of station  IrishSea_LiverpoolBay_fi02, C1 buoy (Liverpool Bay)
Location of station at C1 buoy (Liverpool Bay) ©

CSEMP assessment of lead in biota at C1 buoy (Liverpool Bay)

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : IrishSea_LiverpoolBay_fi02, C1 buoy (Liverpool Bay)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 19 October 2016

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean179.0181.26-36.5173.01
linear265.6370.20-28.8257.6315.380 1<0.0001
smooth (df = 2)366.0674.39-28.0356.06 1.575 10.2095
smooth (df = 3)467.6682.06-27.8355.66 0.399 10.5276

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920126.0924.872-1.2201 0.1941-6.2860.0001
last 20 years199920126.0924.872-1.2201 0.1941-6.2860.0001

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 130.6 26.0-1.6140 0.1086-14.8661.0000
EC 130.61500.0 2.4411 0.1086 22.485<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at C1 buoy (Liverpool Bay)


Raw data with assessment

Raw data with assessment of  lead in biota at C1 buoy (Liverpool Bay)


Assessment plot

Assessment plot for  lead in biota at C1 buoy (Liverpool Bay)


Metals data

Metals data for assessment of  lead in biota at C1 buoy (Liverpool Bay)


Metals assessment

Metals assessment of  lead in biota at C1 buoy (Liverpool Bay)


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