Coupling Gastro-Intestinal Tract Analysis With an Airborne Contamination Control Method to Estimate Litter Ingestion in Demersal Elasmobranchs

Bibliographic Details
Title: Coupling Gastro-Intestinal Tract Analysis With an Airborne Contamination Control Method to Estimate Litter Ingestion in Demersal Elasmobranchs
Authors: Cristina Pedà, Pietro Battaglia, Michela D’Alessandro, Federica Laface, Danilo Malara, Pierpaolo Consoli, Teresa Manuela Vicchio, Francesco Longo, Franco Andaloro, Matteo Baini, Matteo Galli, Teresa Bottari, Maria Cristina Fossi, Silvestro Greco, Teresa Romeo
Source: Frontiers in Environmental Science, Vol 8 (2020)
Publisher Information: Frontiers Media S.A., 2020.
Publication Year: 2020
Collection: LCC:Environmental sciences
Subject Terms: selachians, GIT analysis, microplastics, FT-IR spectroscopy, polymers, airborne contamination control, Environmental sciences, GE1-350
More Details: This study aims to assess the litter ingestion in some demersal elasmobranchs, combining a classical gastro-intestinal tract (GIT) analysis with a procedure methodology to reduce airborne fibers contamination. In order to prevent the overestimation of litter ingestion, we applied severe mitigation measures to avoid airborne contamination during the analyses, integrating a new approach for the correction of estimates of fibers abundance using control procedure. In this study, we assessed the anthropogenic litter ingestion in four elasmobranch species from the southern Tyrrhenian Sea: Scyliorhinus canicula (n = 27), Etmopterus spinax (n = 16), Galeus melastomus (n = 12), and Raja clavata (n = 6). The GIT of each specimen was analyzed by visual sorting and the polymers identified by Fourier transform infrared spectroscopy technique. Overall, 19 litter particles were found in the GIT of 13 demersal elasmobranchs (%O = 21) and for the first time, evidence of litter ingestion by R. clavata in Mediterranean waters was also reported. In G. melastomus and R. clavata all anthropogenic particles were plastics, whereas in S. canicula other litter categories were also found. No litter ingestion was instead observed in E. spinax. More than 50% of litter particles belonged to microlitter category (
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2296-665X
Relation: https://www.frontiersin.org/article/10.3389/fenvs.2020.00119/full; https://doaj.org/toc/2296-665X
DOI: 10.3389/fenvs.2020.00119
Access URL: https://doaj.org/article/bcce68936f38439baaba2ae9a28c51e3
Accession Number: edsdoj.bcce68936f38439baaba2ae9a28c51e3
Database: Directory of Open Access Journals
More Details
ISSN:2296665X
DOI:10.3389/fenvs.2020.00119
Published in:Frontiers in Environmental Science
Language:English