Projects

CSEMP assessment of zinc in biota at Ferry Crossing (Tyne)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-10.03 -8.03 8.01-16.03
linear2-19.50-15.5013.75-27.5011.473 10.0007
smooth (df = 2)3-22.75-15.6116.38-32.75 5.250 10.0219
smooth (df = 3)4-20.75 -8.7516.38-32.75 0.000 10.9846

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall2002201710.533 9.967-0.5666 0.0959-5.9070.0002
last 20 years2002201710.533 9.967-0.5666 0.0959-5.9070.0002

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC2130410269-0.7298 0.0714-10.2241.0000

 


Raw data with supporting information

Raw data with supporting information for assessment of  zinc in biota at Ferry Crossing (Tyne)


Raw data with assessment

Raw data with assessment of  zinc in biota at Ferry Crossing (Tyne)


Assessment plot

Assessment plot for  zinc in biota at Ferry Crossing (Tyne)


Metals data

Metals data for assessment of  zinc in biota at Ferry Crossing (Tyne)


Metals assessment

Metals assessment of  zinc in biota at Ferry Crossing (Tyne)


Related pages

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