Projects

CSEMP assessment of lead in biota at Balcary Point (Solway Firth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean191.8894.13-42.9485.88
linear278.4383.01-35.2270.4315.443 1<0.0001
smooth (df = 2)378.4186.75-34.2168.41 2.022 10.1550
smooth (df = 3)480.4194.81-34.2068.41 0.006 10.9368

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120175.3776.6331.25510.21915.7280.0003
last 20 years200120175.3776.6331.25510.21915.7280.0003

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 759.4 26.0-3.374 0.148-22.7961.0000
EC 759.41500.0 0.681 0.148 4.5980.0006

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Balcary Point (Solway Firth)


Raw data with assessment

Raw data with assessment of  lead in biota at Balcary Point (Solway Firth)


Assessment plot

Assessment plot for  lead in biota at Balcary Point (Solway Firth)


Metals data

Metals data for assessment of  lead in biota at Balcary Point (Solway Firth)


Metals assessment

Metals assessment of  lead in biota at Balcary Point (Solway Firth)


Related pages

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