Projects

CSEMP assessment of lead in biota at Off Humber

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1133.20135.20-63.60127.20
linear2131.49135.49-61.74123.493.712 10.0540
smooth (df = 2)3132.96140.10-61.48122.960.529 10.4670
smooth (df = 3)4133.81145.81-60.91121.811.142 10.2851

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120176.8845.786-1.0982 0.5141-2.1360.0584
last 20 years200120176.8845.786-1.0982 0.5141-2.1360.0584

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 325.6 26.0-2.5277 0.3157-8.0061.0000
EC 325.61500.0 1.5275 0.3157 4.8380.0003

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Off Humber


Raw data with assessment

Raw data with assessment of  lead in biota at Off Humber


Assessment plot

Assessment plot for  lead in biota at Off Humber


Metals data

Metals data for assessment of  lead in biota at Off Humber


Metals assessment

Metals assessment of  lead in biota at Off Humber


Related pages

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