Projects

CSEMP assessment of lead in biota at Yyns-hir (Dovey)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean135.3844.38-14.6929.38
linear236.7468.74-14.3728.740.640 10.4237

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall201120157.7247.353-0.3704 0.4583-0.8080.4781
last 20 years201120157.7247.353-0.3704 0.4583-0.8080.4781

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC1561.5 211.9-1.9973 0.2805-7.1210.9972
EC1561.51500.0-0.0402 0.2805-0.1430.5524

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Yyns-hir (Dovey)


Raw data with assessment

Raw data with assessment of  lead in biota at Yyns-hir (Dovey)


Assessment plot

Assessment plot for  lead in biota at Yyns-hir (Dovey)


Metals data

Metals data for assessment of  lead in biota at Yyns-hir (Dovey)


Metals assessment

Metals assessment of  lead in biota at Yyns-hir (Dovey)


Related pages

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