Projects

CSEMP assessment of mercury in biota at 11th Mile Post (Ribble)

Statistical analysis

Details

Media : Biota (Flounder muscle)
Station : IrishSea_Ribble_fi01, 11th Mile Post (Ribble)
Determinand : Mercury
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean181.7683.76-37.8875.76
linear280.7684.76-36.3872.762.999 10.0833
smooth (df = 2)382.3289.47-36.1672.320.439 10.5078
smooth (df = 3)481.9493.94-34.9769.942.382 10.1227

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920125.0555.6650.60980.33681.8110.1003
last 20 years199920125.0555.6650.60980.33681.8110.1003

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC288.6 35.0-2.1097 0.2173-9.7091.0000
EC288.6500.0 0.5495 0.2173 2.5290.0150

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at 11th Mile Post (Ribble)


Raw data with assessment

Raw data with assessment of  mercury in biota at 11th Mile Post (Ribble)


Assessment plot

Assessment plot for  mercury in biota at 11th Mile Post (Ribble)


Metals data

Metals data for assessment of  mercury in biota at 11th Mile Post (Ribble)


Metals assessment

Metals assessment of  mercury in biota at 11th Mile Post (Ribble)


Related pages

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