Projects

CSEMP assessment of cadmium in biota at Crosby (Mersey Channel)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-22.98-20.7314.49-28.98
linear2-22.41-17.8415.20-30.411.424 10.2328
smooth (df = 2)3-22.25-13.9116.12-32.251.838 10.1752
smooth (df = 3)4-23.48 -9.0817.74-35.483.235 10.0721

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020176.1845.942-0.24175 0.19709-1.2270.2511
last 20 years200020176.1845.942-0.24175 0.19709-1.2270.2511

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 380.6 156.5-0.8888 0.1161-7.6531.0000
EC 380.61000.0 0.9660 0.1161 8.317<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  cadmium in biota at Crosby (Mersey Channel)


Raw data with assessment

Raw data with assessment of  cadmium in biota at Crosby (Mersey Channel)


Assessment plot

Assessment plot for  cadmium in biota at Crosby (Mersey Channel)


Metals data

Metals data for assessment of  cadmium in biota at Crosby (Mersey Channel)


Metals assessment

Metals assessment of  cadmium in biota at Crosby (Mersey Channel)


Related pages

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