Projects

CSEMP assessment of lead in biota at Tees Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1112.52114.52-53.26106.52
linear2113.93117.93-52.97105.930.586 10.4440
smooth (df = 2)3113.47120.61-51.73103.472.461 10.1167
smooth (df = 3)4111.68123.68-49.84 99.683.793 10.0515

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120176.2585.639-0.6189 0.7967-0.7770.4553
last 20 years200120176.2585.639-0.6189 0.7967-0.7770.4553

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 281.1 26.0-2.3806 0.4853-4.9060.9997
EC 281.11500.0 1.6745 0.4853 3.4510.0031

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Tees Bay


Raw data with assessment

Raw data with assessment of  lead in biota at Tees Bay


Assessment plot

Assessment plot for  lead in biota at Tees Bay


Metals data

Metals data for assessment of  lead in biota at Tees Bay


Metals assessment

Metals assessment of  lead in biota at Tees Bay


Related pages

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