CSEMP assessment of naphthalene in biota at Forth estuary @ Blackness
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 28.15 | 31.75 | -11.07 | 22.15 | |||
linear | 2 | 30.06 | 38.06 | -11.03 | 22.06 | 0.087 | 1 | 0.7675 |
smooth (df = 2) | 3 | 26.99 | 43.66 | -8.49 | 16.99 | 5.071 | 1 | 0.0243 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2005 | 2014 | 0.9148 | 1.3053 | 0.3905 | 1.3139 | 0.297 | 0.7763 |
last 20 years | 2005 | 2014 | 0.9148 | 1.3053 | 0.3905 | 1.3139 | 0.297 | 0.7763 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
EAC | 3.69 | 55.42 | 2.7097 | 0.7539 | 3.594 | 0.0057 |
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_LowerForthEstuary_sh01 (Forth estuary @ Blackness)
Determinand : Naphthalene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : Forth_LowerForthEstuary_sh01 (Forth estuary @ Blackness)
Determinand : Naphthalene
Units : μg kg-1 wet weight
Data extraction : 30 April 2020