Projects

CSEMP assessment of lead in biota at Red Wharf

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : IrishSea_IrSIntermediateE_fi06 (Red Wharf)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1105.54108.54-49.7799.54
linear2105.37111.77-48.6897.372.174 10.1404
smooth (df = 2)3 99.36111.86-44.6889.368.008 10.0047

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120124.5373.688-0.8493 0.5394-1.5750.1593
last 20 years200120124.5373.688-0.8493 0.5394-1.5750.1593

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 40 26-0.430 0.319-1.3500.8905
EC 401500 3.625 0.31911.380<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Red Wharf


Raw data with assessment

Raw data with assessment of  lead in biota at Red Wharf


Assessment plot

Assessment plot for  lead in biota at Red Wharf


Metals data

Metals data for assessment of  lead in biota at Red Wharf


Metals assessment

Metals assessment of  lead in biota at Red Wharf


Related pages

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