Projects

CSEMP assessment of zinc in biota at Roa Island (Morecambe Bay)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-6.82-5.026.41-12.82
linear2-4.98-1.426.49-12.980.154 10.6952
smooth (df = 2)3-3.50 2.756.75-13.500.526 10.4682
smooth (df = 3)4-1.54 8.756.77-13.540.034 10.8540

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920159.6619.7390.077440.197040.3930.7018
last 20 years199920159.6619.7390.077440.197040.3930.7018

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC1696510269-0.5020 0.1291-3.8890.9987

 


Raw data with supporting information

Raw data with supporting information for assessment of  zinc in biota at Roa Island (Morecambe Bay)


Raw data with assessment

Raw data with assessment of  zinc in biota at Roa Island (Morecambe Bay)


Assessment plot

Assessment plot for  zinc in biota at Roa Island (Morecambe Bay)


Metals data

Metals data for assessment of  zinc in biota at Roa Island (Morecambe Bay)


Metals assessment

Metals assessment of  zinc in biota at Roa Island (Morecambe Bay)


Related pages

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