CSEMP assessment of BD100 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 | 86.50 | 90.10 | -40.25 | 80.50 | | | |
| linear | 2 | 82.62 | 90.62 | -37.31 | 74.62 | 5.876 | 1 | 0.0153 |
| smooth (df = 2) | 3 | 83.92 | 100.58 | -36.96 | 73.92 | 0.707 | 1 | 0.4005 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2005 | 2018 | -1.0191 | -2.1890 | -1.1699 | 0.3769 | -3.104 | 0.0210 |
| last 20 years | 2005 | 2018 | -1.0191 | -2.1890 | -1.1699 | 0.3769 | -3.104 | 0.0210 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.112 | 0.012 | -2.2338 | 0.2404 | -9.293 | 1.0000 |
| FEQG | 0.112 | 1.000 | 2.1890 | 0.2404 | 9.107 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Organo-bromines data
Organo-bromines assessment
Related pages
