CSEMP assessment of naphthalene in biota at Tynemouth
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 27.67 | 31.67 | -11.83 | 23.67 | |||
linear | 2 | 29.52 | 41.52 | -11.76 | 23.52 | 0.149 | 1 | 0.6997 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2007 | 2018 | 1.3733 | 0.7550 | -0.6183 | 1.6052 | -0.385 | 0.7197 |
last 20 years | 2007 | 2018 | 1.3733 | 0.7550 | -0.6183 | 1.6052 | -0.385 | 0.7197 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
EAC | 2.13 | 55.42 | 3.260 | 0.848 | 3.846 | 0.0092 |
Raw data with supporting information
Raw data with assessment
Assessment plot
PAH (parent) data
PAH (parent) assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for pah_(parent) in biota
- Accessment criteria for pah_(parent) in biota
Media : Biota (Blue mussel soft body)
Station : Forth_NorthBerwickBarnsN_sh01 (Tynemouth)
Determinand : Naphthalene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : Forth_NorthBerwickBarnsN_sh01 (Tynemouth)
Determinand : Naphthalene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020