CSEMP assessment of lead in biota at DougoldCarrickM
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 1.36 | 3.76 | 1.32 | -2.64 | | | |
| linear | 2 | 2.04 | 8.04 | 1.98 | -3.96 | 1.319 | 1 | 0.2508 |
| smooth (df = 2) | 3 | 4.03 | 17.36 | 1.98 | -3.97 | 0.012 | 1 | 0.9137 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2011 | 2018 | 6.513 | 6.268 | -0.24435 | 0.20407 | -1.197 | 0.2763 |
| last 20 years | 2011 | 2018 | 6.513 | 6.268 | -0.24435 | 0.20407 | -1.197 | 0.2763 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 527.5 | 211.9 | -0.9121 | 0.1220 | -7.479 | 0.9999 |
| EC | 527.5 | 1500.0 | 1.0450 | 0.1220 | 8.568 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Metals data
Metals assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for metals in biota
- Accessment criteria for metals in biota
