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Marine macro-litter mass outweighs biomass in trawl catches along abyssal seafloors of Sardinia channel (Italy).
Carreras-Colom, Ester; Follesa, Maria Cristina; Carugati, Laura; Mulas, Antonello; Bellodi, Andrea; Cau, Alessandro.
Afiliación
  • Carreras-Colom E; Departament de Biologia Animal, Biologia Vegetal I Ecologia, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, 08193, Barcelona, Spain.
  • Follesa MC; Department of Life and Environmental Sciences, University of Cagliari, Via Tommaso Fiorelli 1, 09126, Cagliari, Italy.
  • Carugati L; Department of Life and Environmental Sciences, University of Cagliari, Via Tommaso Fiorelli 1, 09126, Cagliari, Italy.
  • Mulas A; ConISMa, ULR Cagliari, Consorzio Interuniversitario per le Scienze del Mare, Roma, Italy.
  • Bellodi A; Department of Life and Environmental Sciences, University of Cagliari, Via Tommaso Fiorelli 1, 09126, Cagliari, Italy.
  • Cau A; ConISMa, ULR Cagliari, Consorzio Interuniversitario per le Scienze del Mare, Roma, Italy.
Environ Sci Pollut Res Int ; 31(30): 43405-43416, 2024 Jun.
Article en En | MEDLINE | ID: mdl-38886271
ABSTRACT
This study provides new insights onto spatial and temporal trends of seafloor macro-litter in the abyssal seafloor of Sardinian channel, in central western Mediterranean (Italy). Trawl surveys were conducted at depths between 884 and 1528 m, thus focusing on one of the least investigated marine environments. None of the considered sites was litter free, with plastics being numerically dominant (57% of items), followed by metal (11%) and glass (16%). Recorded densities and weight ranged between 49.9 and 499 items km-2 and 1.4 and 1052 kg km-2. In the most contaminated sites, the weight of the litter collected in nets represented up to nine times the biomass of benthic megafauna, and, overall, in 60% of hauls macro-litter mass outweighed the biomass collected. Moreover, we report that megafauna was observed to be more abundant in sites where macro-litter presence was more severe. More studies are needed to elucidate the nature of this correlation, with biota being more abundant in hotspots of accumulation of seafloor macro-litter.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Monitoreo del Ambiente / Biomasa Límite: Animals País/Región como asunto: Europa Idioma: En Revista: Environ Sci Pollut Res Int Asunto de la revista: SAUDE AMBIENTAL / TOXICOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: España Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Monitoreo del Ambiente / Biomasa Límite: Animals País/Región como asunto: Europa Idioma: En Revista: Environ Sci Pollut Res Int Asunto de la revista: SAUDE AMBIENTAL / TOXICOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: España Pais de publicación: Alemania