Developing and applying a site-specific multimedia fate model to address ecological risk of oxytetracycline discharged with aquaculture effluent in coastal waters off Jangheung, Korea.
Ecotoxicol Environ Saf
; 145: 221-226, 2017 Nov.
Article
en En
| MEDLINE
| ID: mdl-28738205
ABSTRACT
The overuse of oxytetracycline (OTC) in aquaculture has become a problem because of its chronic toxic effects on marine ecosystems. The present study assessed the ecological risk of OTC in the coastal waters near the Jangheung Flatfish Farm using a site-specific multimedia fate model to analyze exposure. Before the model was applied, its performance was validated by comparing it with field data. The coastal waters in the testbed were sampled and analyzed using liquid chromatography-tandem mass spectrometry (LC-MS/MS) followed by solid-phase extraction (SPE). The concentrations of OTC measured varied from 7.05 to 95.39ng/L. The results of validating the models showed that the site-specific multimedia fate model performed better (root mean square error (RMSE) 24.217, index of agreement (IOA) 0.739) than conventional fugacity approaches. This result demonstrated the utility of this model in supporting effective future management of aquaculture effluent. The results of probabilistic risk assessment indicated that OTC from aquaculture effluent did not cause adverse effects, even in a maximum-use scenario.
Palabras clave
Texto completo:
1
Bases de datos:
MEDLINE
Asunto principal:
Oxitetraciclina
/
Contaminantes Químicos del Agua
/
Acuicultura
/
Multimedia
/
Modelos Teóricos
Tipo de estudio:
Etiology_studies
/
Prognostic_studies
/
Risk_factors_studies
País/Región como asunto:
Asia
Idioma:
En
Revista:
Ecotoxicol Environ Saf
Año:
2017
Tipo del documento:
Article
País de afiliación:
Corea del Sur