Projects

CSEMP assessment of nickel in sediment at Bann Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean147.9950.56-21.0041.99
linear249.3854.72-20.6941.380.608 10.4355
smooth (df = 2)351.1761.17-20.5941.170.215 10.6430
smooth (df = 3)452.5070.50-20.2540.500.668 10.4136

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620174.3534.097-0.2560 0.3233-0.7920.4513
last 20 years200620174.3534.097-0.2560 0.3233-0.7920.4513

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC60.1436.00-0.5131 0.2065-2.4850.9811

 


Raw data with supporting information

Raw data with supporting information for assessment of  nickel in sediment at Bann Estuary


Raw data with assessment

Raw data with assessment of  nickel in sediment at Bann Estuary


Assessment plot

Assessment plot for  nickel in sediment at Bann Estuary


Metals data

Metals data for assessment of  nickel in sediment at Bann Estuary


Metals assessment

Metals assessment of  nickel in sediment at Bann Estuary


Related pages

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