Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean14.52 7.090.74-1.48
linear26.0911.420.95-1.910.432 10.5112
smooth (df = 2)34.8814.882.56-5.123.210 10.0732
smooth (df = 3)43.4321.434.29-8.573.452 10.0632

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020157.0137.2130.200030.300900.6650.5249
last 20 years200020157.0137.2130.200030.300900.6650.5249

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC1356.8 978.0-0.3274 0.1760-1.8600.9500

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  copper 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