Cited by 213Microplastics and Plastic PollutionMarine animal studies overviewTurtle Biology and Conservation

Plastic ingestion in Franciscana dolphins, Pontoporia blainvillei (Gervais and d'Orbigny, 1844), from Argentina

Open access
Denuncio, Pablo, Bastida, Ricardo, Dassis, Mariela, Giardino, Gisela, Gerpe, Marcela, Rodríguez, Diego·2011·Marine Pollution Bulletin

Abstract

Plastic debris (PD) ingestion was examined in 106 Franciscana dolphins (Pontoporia blainvillei) incidentally captured in artisanal fisheries of the northern coast of Argentina. Twenty-eight percent of the dolphins presented PD in their stomach, but no ulcerations or obstructions were recorded in the digestive tracts. PD ingestion was more frequent in estuarine (34.6%) than in marine (19.2%) environments, but the type of debris was similar. Packaging debris (cellophane, bags, and bands) was found in 64.3% of the dolphins, with a lesser proportion (35.7%) ingesting fishery gear fragments (monofilament lines, ropes, and nets) or of unknown sources (25.0%). PD ingestion correlated with ontogenetic changes in feeding regimes, reaching maximum values in recently weaned dolphins. Because a simultaneous increase in gillnet entanglement and the bioaccumulation of heavy metals take place at this stage, the first months after trophic independence should be considered as a key phase for the conservation of Franciscana dolphin stocks in northern Argentina.

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Crossref · 10.1016/j.marpolbul.2011.05.003

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Authors
Denuncio, P., Bastida, R., Dassis, M., Giardino, G., Gerpe, M., & Rodríguez, D.
Affiliations
Consejo Nacional de Investigaciones Científicas y Técnicas (AR)
Corresponding author
Denuncio, Pablo
Venue
Marine Pollution Bulletin
Publisher
Elsevier BV
Published
2011-08
Volume
62
Issue
8
Pages
1836-1841
ISSN
0025-326X (ISSN-L)
OpenAlex
W2083698326
Cited by
213
References
43
Citations by year
2026: 9 · 2025: 8 · 2024: 17 · 2023: 18 · 2022: 27 · 2021: 28 · 2020: 18 · 2019: 11 · 2018: 18 · 2017: 13 · 2016: 11 · 2015: 12 · 2014: 7 · 2013: 6 · 2012: 9
FWCI
6.53
Type
journal article
Language
en
Open access
Locations
  • Marine Pollution Bulletin (publishedVersion)
  • PubMed (publishedVersion)
  • Conicet (publishedVersion, cc-by-nc-nd)
Funders
  • Universidad Nacional de Mar del Plata (15/E271)
  • Agencia Nacional de Promoción Científica y Tecnológica de Argentina (PICT 07-00000-01651, PICT99-0107111, PICTO-567-4)
  • Consejo Nacional de Investigaciones Científicas y Técnicas (PIP 5849, 11220100100348)
Topics
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
  • Physical Sciences › Environmental Science › Ecology › Marine animal studies overview
  • Physical Sciences › Environmental Science › Nature and Landscape Conservation › Turtle Biology and Conservation
Keywords
plastic ingestion, franciscana dolphin, Pontoporia blainvillei, marine plastic debris, gillnet entanglement, estuarine habitat, heavy metal bioaccumulation, cetacean conservation, northern Argentina
MeSH terms
Animals, Argentina, Dolphins, Eating, Environmental Monitoring, Marine Biology, Oceans and Seas, Plastics, Water Pollutants, Chemical

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