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 | 0.18 | 3.18 | 1.91 | -3.82 | | | |
| linear | 2 | 2.10 | 10.10 | 1.95 | -3.90 | 0.088 | 1 | 0.7670 |
| smooth (df = 2) | 3 | 2.14 | 22.14 | 2.93 | -5.86 | 1.955 | 1 | 0.1621 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2011 | 2017 | 6.463 | 6.402 | -0.06171 | 0.20757 | -0.297 | 0.7782 |
| last 20 years | 2011 | 2017 | 6.463 | 6.402 | -0.06171 | 0.20757 | -0.297 | 0.7782 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 602.8 | 211.9 | -1.0455 | 0.1247 | -8.382 | 0.9998 |
| EC | 602.8 | 1500.0 | 0.9116 | 0.1247 | 7.308 | 0.0004 |
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
