Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-3.90-1.334.95 -9.90
linear2-3.05 2.285.53-11.051.149 10.2838
smooth (df = 2)3-4.17 5.837.08-14.173.116 10.0775
smooth (df = 3)4-6.5311.479.26-18.534.359 10.0368

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall2002201810.18710.039-0.14831 0.13499-1.0990.3039
last 20 years2002201810.18710.039-0.14831 0.13499-1.0990.3039

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC2289310269-0.8017 0.0767-10.4551.0000

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  zinc 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