Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-20.51-18.5113.26-26.51
linear2-25.42-21.4216.71-33.426.909 10.0086
smooth (df = 2)3-24.03-16.8917.02-34.030.612 10.4341
smooth (df = 3)4-23.68-11.6817.84-35.681.643 10.2000

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920179.5899.8770.288520.092793.1090.0111
last 20 years199920179.5899.8770.288520.092793.1090.0111

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC1948010269-0.6403 0.0572-11.2001.0000

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  zinc 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