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CSEMP assessment of mercury in biota at Balcary Point (Solway Firth)

Statistical analysis

Details

Media : Biota (Plaice muscle)
Station : IrishSea_BalcaryPoint_fi01, Balcary Point (Solway Firth)
Determinand : Mercury
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean138.6341.20-16.3132.63
linear224.2629.59 -8.1316.2616.369 1<0.0001
smooth (df = 2)325.9135.91 -7.9615.91 0.350 10.5538
smooth (df = 3)427.8945.89 -7.9415.89 0.022 10.8813

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120134.0585.0861.02760.16096.3880.0002
last 20 years200120134.0585.0861.02760.16096.3880.0002

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC161.7 35.0-1.5305 0.0989-15.4791.0000
EC161.7500.0 1.1287 0.0989 11.415<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at Balcary Point (Solway Firth)


Raw data with assessment

Raw data with assessment of  mercury in biota at Balcary Point (Solway Firth)


Assessment plot

Assessment plot for  mercury in biota at Balcary Point (Solway Firth)


Metals data

Metals data for assessment of  mercury in biota at Balcary Point (Solway Firth)


Metals assessment

Metals assessment of  mercury in biota at Balcary Point (Solway Firth)


Related pages

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