CSEMP assessment of copper in biota at Farne
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 24.84 | 29.34 | -9.42 | 18.84 | |||
linear | 2 | 26.78 | 37.45 | -9.39 | 18.78 | 0.057 | 1 | 0.8114 |
smooth (df = 2) | 3 | 25.13 | 50.13 | -7.56 | 15.13 | 3.658 | 1 | 0.0558 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2006 | 2017 | 8.746 | 8.701 | -0.04497 | 0.18844 | -0.239 | 0.8209 |
last 20 years | 2006 | 2017 | 8.746 | 8.701 | -0.04497 | 0.18844 | -0.239 | 0.8209 |
Status assessment
No assessment criteria
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
Media : Biota (Common dab liver)
Station : TyneTees_TTOpenSeaS_fi02 (Farne)
Determinand : Copper
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : TyneTees_TTOpenSeaS_fi02 (Farne)
Determinand : Copper
Units : μg kg-1 wet weight
Data extraction : 30 April 2020