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Influence of environmental conditions on distribution and types of microplastics in surface waters of Tumaco Bay, Colombian Pacific Boletín de Investigaciones
Arboleda,Ingrid; Molina,Andrés; Duque,Guillermo.
ABSTRACT Microplastics (MP) pose a major environmental problem for estuaries areas, as they are exposed to multiple sources of plastic waste. In this study, the spatiotemporal influence of environmental variables on the abundance, distribution and types of MP in surface waters of Tumaco Bay were assessed. The samples were collected in the rainy and dry seasons of 2020, in the inner and outer estuary, and were processed by density separation. MP abundance was higher in dry season (11.40 ± 2.60 ítems/m³) and in the inner estuary (8.42 ± 4.91 items/m³). Fibers were the most abundant type of MP (53.89 %). Salinity and TDS were significantly correlated with fibers, and precipitation with fragments, films and total MP. These results demonstrate high...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Tumaco Bay; Estuary; Microplastics; Contamination; Climate seasons.
Ano: 2024 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-97612024000100065
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Presence of marine debris in mangrove forests with different degrees of anthropogenic intervention in the Colombian Pacific Boletín de Investigaciones
Arboleda,Ingrid; Molina,Andrés; Duque,Guillermo.
ABSTRACT Marine debris generates impacts on mangrove forest ecosystems that are vulnerable due to their morphological adaptations, which facilitate the deposition of floating materials. This study determined the variability in the abundance and types of marine debris in mangrove forests in relation to the degree of anthropogenic influence in Buenaventura Bay and Malaga Bay, located in the Colombian Pacific. Sampling was carried out in four mangrove forests, using transects and 1 m2 quadrats. Waste was classified based on OSPAR categories and plastic types were classified according to their use (tourism, household and others). Additionally, two indices were applied, the Clean Coast Index (CCI) and the Plastic Abundance Index (PAI). The highest number of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Marine pollution; Buenaventura Bay; Málaga Bay; Rhizophora mangle; Marine debris.
Ano: 2026 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-97612026000100089
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