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Field evidence for transfer of plastic debris along a terrestrial food chain

Huerta Lwanga, Esperanza [autora] | Mendoza Vega, Jorge [autor] | Kú Quej, V. M [autor] | Chi Quej, Jesús de los Ángeles [autor] | Sánchez del Cid, Elida Lucero | Chi, César [autor] | Escalona Segura, Griselda [autora] | Gertsen, Henny [autora] | Salánki, Tamás [autor/a] | van der Ploeg, Martine [autor/a] | Koelmans, Albert A [autor] | Geissen Geissen, Violette [autora].
Tipo de material: Artículo
 en línea Artículo en línea Tipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Microplásticos | Gallinas | Lombrices de tierra | Contaminación alimentaria | Huertos familiares | Riesgo a la saludTema(s) en inglés: Microplastics | Hens | Earthworms | Food contamination | Home gardens | Health hazardsDescriptor(es) geográficos: Pucnachen (Campeche, Mexico)Nota de acceso: Acceso en línea sin restricciones En: Scientific Reports. Volumen 7, número 14071 (October 2017), páginas 1-7. --ISSN: 2045-2322Número de sistema: 6964Resumen:
Inglés

Although plastic pollution happens globally, the micro- (<5 mm) and macroplastic (5-150 mm) transfer of plastic to terrestrial species relevant to human consumption has not been examined. We provide first-time evidence for micro- and macroplastic transfer from soil to chickens in traditional Mayan home gardens in Southeast Mexico where waste mismanagement is common. We assessed micro- and macroplastic in soil, earthworm casts, chicken feces, crops and gizzards (used for human consumption). Microplastic concentrations increased from soil (0.87 ± 1.9 particles g−¹), to earthworm casts (14.8 ± 28.8 particles g−¹), to chicken feces (129.8 ± 82.3 particles g−¹). Chicken gizzards contained 10.2 ± 13.8 microplastic particles, while no microplastic was found in crops. An average of 45.82 ± 42.6 macroplastic particles were found per gizzard and 11 ± 15.3 macroplastic particles per crop, with 1-10 mm particles being significantly more abundant per gizzard (31.8 ± 27.27 particles) compared to the crop (1 ± 2.2 particles). The data show that micro- and macroplastic are capable of entering terrestrial food webs.

Recurso en línea: https://doi.org/10.1038/s41598-017-14588-2
Lista(s) en las que aparece este ítem: Conservación-Campeche | ASA-Campeche
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Acceso en línea sin restricciones

Although plastic pollution happens globally, the micro- (<5 mm) and macroplastic (5-150 mm) transfer of plastic to terrestrial species relevant to human consumption has not been examined. We provide first-time evidence for micro- and macroplastic transfer from soil to chickens in traditional Mayan home gardens in Southeast Mexico where waste mismanagement is common. We assessed micro- and macroplastic in soil, earthworm casts, chicken feces, crops and gizzards (used for human consumption). Microplastic concentrations increased from soil (0.87 ± 1.9 particles g−¹), to earthworm casts (14.8 ± 28.8 particles g−¹), to chicken feces (129.8 ± 82.3 particles g−¹). Chicken gizzards contained 10.2 ± 13.8 microplastic particles, while no microplastic was found in crops. An average of 45.82 ± 42.6 macroplastic particles were found per gizzard and 11 ± 15.3 macroplastic particles per crop, with 1-10 mm particles being significantly more abundant per gizzard (31.8 ± 27.27 particles) compared to the crop (1 ± 2.2 particles). The data show that micro- and macroplastic are capable of entering terrestrial food webs. eng

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