Projects

CSEMP assessment of cadmium in biota at West Mersea Beach (Blackwater)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-34.78-32.7820.39-40.78
linear2-37.34-33.3422.67-45.344.564 10.0327
smooth (df = 2)3-37.19-30.0523.60-47.191.850 10.1738
smooth (df = 3)4-39.39-27.3925.69-51.394.192 10.0406

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920175.5205.7290.209420.086082.4330.0353
last 20 years199920175.5205.7290.209420.086082.4330.0353

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 307.7 156.5-0.6762 0.0496-13.6371.0000
EC 307.71000.0 1.1786 0.0496 23.769<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  cadmium in biota at West Mersea Beach (Blackwater)


Raw data with assessment

Raw data with assessment of  cadmium in biota at West Mersea Beach (Blackwater)


Assessment plot

Assessment plot for  cadmium in biota at West Mersea Beach (Blackwater)


Metals data

Metals data for assessment of  cadmium in biota at West Mersea Beach (Blackwater)


Metals assessment

Metals assessment of  cadmium in biota at West Mersea Beach (Blackwater)


Related pages

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