Projects

CSEMP assessment of cadmium in biota at New Brighton (Mersey)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 5.538.530.24 -0.47
linear2-4.701.706.35-12.7012.231 10.0005
smooth (df = 2)3-3.888.626.94-13.88 1.178 10.2777

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220175.9725.414-0.5574 0.1036-5.3810.0010
last 20 years200220175.9725.414-0.5574 0.1036-5.3810.0010

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 224.6 156.5-0.3615 0.0607-5.9580.9997
EC 224.61000.0 1.4933 0.060724.610<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  cadmium in biota at New Brighton (Mersey)


Raw data with assessment

Raw data with assessment of  cadmium in biota at New Brighton (Mersey)


Assessment plot

Assessment plot for  cadmium in biota at New Brighton (Mersey)


Metals data

Metals data for assessment of  cadmium in biota at New Brighton (Mersey)


Metals assessment

Metals assessment of  cadmium in biota at New Brighton (Mersey)


Related pages

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