CSEMP assessment of lead in biota at Ross'sRockM
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 1.76 | 5.76 | 1.12 | -2.24 | | | |
| linear | 2 | 3.75 | 15.75 | 1.12 | -2.25 | 0.013 | 1 | 0.9105 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2011 | 2016 | 6.448 | 6.475 | 0.02696 | 0.23966 | 0.113 | 0.9158 |
| last 20 years | 2011 | 2016 | 6.448 | 6.475 | 0.02696 | 0.23966 | 0.113 | 0.9158 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 648.4 | 211.9 | -1.1184 | 0.1452 | -7.705 | 0.9992 |
| EC | 648.4 | 1500.0 | 0.8387 | 0.1452 | 5.778 | 0.0022 |
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
