Projects

CSEMP assessment of mercury in biota at New Brighton (Mersey)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean110.3212.57-2.16 4.32
linear2 5.9410.51 1.03-2.066.383 10.0115
smooth (df = 2)3 7.9416.27 1.03-2.060.000 10.9996
smooth (df = 3)4 5.8220.22 3.09-6.184.121 10.0424

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220184.1343.655-0.4792 0.1636-2.9290.0168
last 20 years200220184.1343.655-0.4792 0.1636-2.9290.0168

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 38.7 14.7-0.9692 0.0949-10.2111.0000
EC 38.7500.0 2.5596 0.0949 26.966<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at New Brighton (Mersey)


Raw data with assessment

Raw data with assessment of  mercury in biota at New Brighton (Mersey)


Assessment plot

Assessment plot for  mercury in biota at New Brighton (Mersey)


Metals data

Metals data for assessment of  mercury in biota at New Brighton (Mersey)


Metals assessment

Metals assessment of  mercury in biota at New Brighton (Mersey)


Related pages

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