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CSEMP assessment of mercury in biota at Grimsby Roads (Lower Humber)

Statistical analysis

Details

Media : Biota (Flounder muscle)
Station : HumWash_HumberLow_fi01, Grimsby Roads (Lower Humber)
Determinand : Mercury
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean163.4366.00-28.7257.43
linear261.4066.73-26.7053.404.033 10.0446
smooth (df = 2)362.9172.91-26.4552.910.495 10.4817
smooth (df = 3)463.3281.32-25.6651.321.589 10.2075

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220123.8713.275-0.5957 0.2885-2.0650.0728
last 20 years200220123.8713.275-0.5957 0.2885-2.0650.0728

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 26.4 35.00.28020.1715 1.6330.0705
EC 26.4500.02.93940.171517.138<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at Grimsby Roads (Lower Humber)


Raw data with assessment

Raw data with assessment of  mercury in biota at Grimsby Roads (Lower Humber)


Assessment plot

Assessment plot for  mercury in biota at Grimsby Roads (Lower Humber)


Metals data

Metals data for assessment of  mercury in biota at Grimsby Roads (Lower Humber)


Metals assessment

Metals assessment of  mercury in biota at Grimsby Roads (Lower Humber)


Related pages

  • Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
  • Assessment methodology for metals in biota
  • Accessment criteria for metals in biota