CSEMP assessment of BD154 in biota at South Eddystone
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 66.05 | 75.05 | -30.02 | 60.05 | | | |
| linear | 2 | 65.97 | 97.97 | -28.98 | 57.97 | 2.078 | 1 | 0.1494 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | -1.2476 | -2.3865 | -1.1389 | 0.7245 | -1.572 | 0.2140 |
| last 20 years | 2005 | 2018 | -1.2476 | -2.3865 | -1.1389 | 0.7245 | -1.572 | 0.2140 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.092 | 0.012 | -2.036 | 0.446 | -4.566 | 0.9901 |
| FEQG | 0.092 | 4.000 | 3.773 | 0.446 | 8.459 | 0.0017 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Organo-bromines data
Organo-bromines assessment
Related pages
