Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 3.02 5.60 1.49 -2.98
linear2 -8.14-2.81 8.07-16.1413.165 10.0003
smooth (df = 2)3 -6.33 3.67 8.17-16.33 0.193 10.6603
smooth (df = 3)4-14.16 3.8413.08-26.16 9.830 10.0017

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220185.9585.413-0.5453 0.1036-5.2620.0008
last 20 years200220185.9585.413-0.5453 0.1036-5.2620.0008

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 224.3 156.5-0.3602 0.0592-6.0870.9999
EC 224.31000.0 1.4947 0.059225.259<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