Projects

CSEMP assessment of lead in biota at Woolston (Southampton Water)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 11.0214.02-2.51 5.02
linear2 -0.61 5.79 4.31 -8.6113.634 10.0002
smooth (df = 2)3-17.78-5.2813.89-27.7819.164 1<0.0001

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020156.7355.317-1.4183 0.0804-17.651<0.0001
last 20 years200020156.7355.317-1.4183 0.0804-17.651<0.0001

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 203.7 211.90.03930.0598 0.6570.2677
EC 203.71500.01.99640.059833.400<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Woolston (Southampton Water)


Raw data with assessment

Raw data with assessment of  lead in biota at Woolston (Southampton Water)


Assessment plot

Assessment plot for  lead in biota at Woolston (Southampton Water)


Metals data

Metals data for assessment of  lead in biota at Woolston (Southampton Water)


Metals assessment

Metals assessment of  lead in biota at Woolston (Southampton Water)


Related pages

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