Projects

CSEMP assessment of zinc in biota at Mostyn Bank (Dee)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-12.06-10.06 9.03-18.06
linear2-10.06 -6.06 9.03-18.060.002 10.9618
smooth (df = 2)3-12.24 -5.1011.12-22.244.174 10.0411
smooth (df = 3)4-18.30 -6.3015.15-30.308.065 10.0045

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall1999201510.18410.1990.014510.301880.0480.9626
last 20 years1999201510.18410.1990.014510.301880.0480.9626

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC2687610269-0.9621 0.1861-5.1690.9998

 


Raw data with supporting information

Raw data with supporting information for assessment of  zinc in biota at Mostyn Bank (Dee)


Raw data with assessment

Raw data with assessment of  zinc in biota at Mostyn Bank (Dee)


Assessment plot

Assessment plot for  zinc in biota at Mostyn Bank (Dee)


Metals data

Metals data for assessment of  zinc in biota at Mostyn Bank (Dee)


Metals assessment

Metals assessment of  zinc in biota at Mostyn Bank (Dee)


Related pages

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