Seasonal Occurrences and Risk Assessment of Phthalate Esters in Sediment, Water and Biota of Two Sub-Saharan Rivers
| Autor: | J. K. Saliu, Fidelia Ijeoma Osuala, Germaine Akinola Ogunwole |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Health
Toxicology and Mutagenesis Phthalic Acids Nigeria 010501 environmental sciences Toxicology 01 natural sciences Risk Assessment chemistry.chemical_compound Africa Northern Rivers Diethylhexyl Phthalate Ecotoxicology Animals Africa South of the Sahara 0105 earth and related environmental sciences Invertebrate Aquatic ecosystem Phthalate Sediment Water Biota Esters 04 agricultural and veterinary sciences General Medicine Pollution Dibutyl Phthalate Congener chemistry Bioaccumulation Environmental chemistry 040103 agronomy & agriculture 0401 agriculture forestry and fisheries Environmental science Seasons Water Pollutants Chemical |
| Zdroj: | Bulletin of environmental contamination and toxicology. 106(5) |
| ISSN: | 1432-0800 |
| Popis: | The global environmental occurrence of phthalates is inevitable due to their substantial annual production and consumption rate of approximately 5 million tonnes. This study aimed to evaluate the seasonal occurrence of selected phthalate esters congeners in sediment, water, and biota in two freshwater bodies (River Owena and River Ogbese) in Nigeria, and to calculate their ecological risks they pose to aquatic organisms. Dibutyl-phthalate (DBP), di-2-ethylhexyl phthalate (DEHP), and dimethyl-phthalate had an all-year presence in various environmental matrices. DBP was the most prevalent phthalate congener in all environmental matrices with a considerable potential to bioaccumulate in fish tissues. The estimated risk quotient calculated revealed that DBP and DEHP showed a high risk to algae, invertebrates, and fish populations in both freshwater bodies. It is recommended that more comprehensive monitoring campaigns in freshwater bodies be implemented, especially in areas with high anthropogenic activities, to prevent deterioration of aquatic life. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full text from SpringerLink