Atmospheric Occurrence of Legacy Pesticides, Current Use Pesticides, and Flame Retardants in and around Protected Areas in Costa Rica and Uganda
| Autor: | Tessa Steiniche, Kevin Romanak, Rodolfo Quirós, Shaorui Wang, Marta Venier, Eric N. Johnson, Michael D. Wasserman, Richard Mutegeki |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Costa Rica
Air Pollutants Land use National park business.industry Organochlorine pesticide Forestry General Chemistry 010501 environmental sciences Pesticide 01 natural sciences Air pollutants Agriculture Environmental monitoring Environmental Chemistry Environmental science Uganda Pesticides business Environmental Monitoring Flame Retardants 0105 earth and related environmental sciences |
| Zdroj: | Environmental Science & Technology. 53:6171-6181 |
| ISSN: | 1520-5851 0013-936X |
| Popis: | Protected areas have developed alongside intensive changes in land use and human settlements in the neighboring landscape. Here, we investigated the occurrence of 21 organochlorine pesticides (OCPs), 14 current use pesticides (CUPs), 47 halogenated flame retardants (HFRs), and 19 organophosphate esters (OPEs) in air around Las Cruces (LC) and La Selva (LS) Biological Stations, Costa Rica, and Kibale National Park (KNP), Uganda using passive air samplers (PAS) with polyurethane foam (PUF) discs (PAS-PUF). Significantly higher concentrations of CUPs were observed around LS, while LC had a higher concentration of OCPs. Land use analysis indicated that LS had a higher fraction of agriculture than LC (33% vs 14%), suggesting the higher CUPs concentration at LS was related to pesticide intensive crops, while higher OCPs concentration at LC may be attributed to the area's long agricultural history characterized by small-scale subsistence farming or long-range transport. In Uganda, CUPs and OCPs were generally lower than in Costa Rica, but high concentrations of HFRs were observed inside KNP, possibly due to human activity at research camps near the protected forest. This is the first study that documented the occurrence of anthropogenic chemicals in the air at protected areas with tropical forests. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|