CSEMP assessment of 1-hydroxy pyrene equivalent in biota at West Lundy
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 80.75 | 86.75 | -37.37 | 74.75 | |||
linear | 2 | 82.02 | 98.02 | -37.01 | 74.02 | 0.725 | 1 | 0.3946 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2005 | 2018 | -2.1665 | -1.9322 | 0.23430 | 0.26671 | 0.878 | 0.4293 |
last 20 years | 2005 | 2018 | -2.1665 | -1.9322 | 0.23430 | 0.26671 | 0.878 | 0.4293 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 0.145 | 0.150 | 0.035 | 0.171 | 0.205 | 0.4237 |
EAC | 0.145 | 22.000 | 5.023 | 0.171 | 29.397 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Biological effects data
Biological effects assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for biological_effects in biota
- Accessment criteria for biological_effects in biota
Media : Biota (Common dab bile)
Station : Severn_SeOpenSeaE_fi01 (West Lundy)
Determinand : 1-hydroxy pyrene equivalent
Units : μg ml-1
Data extraction : 30 April 2020
Station : Severn_SeOpenSeaE_fi01 (West Lundy)
Determinand : 1-hydroxy pyrene equivalent
Units : μg ml-1
Data extraction : 30 April 2020