Projects

CSEMP assessment of lead in biota at Dogger Central

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : HumWash_HWOpenSeaNE_fi04 (Dogger Central)
Determinand : Lead
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean171.0073.57-32.5065.00
linear272.9078.23-32.4564.900.101 10.7508
smooth (df = 2)367.9577.95-28.9857.956.944 10.0084
smooth (df = 3)465.8483.84-26.9253.844.114 10.0425

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120153.9364.1270.19100.52770.3620.7267
last 20 years200120153.9364.1270.19100.52770.3620.7267

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 62 26-0.869 0.335-2.5960.9841
EC 621500 3.186 0.335 9.525<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Dogger Central


Raw data with assessment

Raw data with assessment of  lead in biota at Dogger Central


Assessment plot

Assessment plot for  lead in biota at Dogger Central


Metals data

Metals data for assessment of  lead in biota at Dogger Central


Metals assessment

Metals assessment of  lead in biota at Dogger Central


Related pages

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