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Author Prunier, J.; Maurice, L.; Perez, E.; Gigault, J.; Pierson Wickmann, A.-C.; Davranche, M.; Halle, A.T. url  doi
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  Title Trace metals in polyethylene debris from the North Atlantic subtropical gyre Type Journal Article
  Year 2019 Publication Environmental Pollution Abbreviated Journal Environ. Pollut.  
  Volume 245 Issue Pages 371-379  
  Keywords metals'accumulation; Microplastic; Plastic debris; Polyethylene; Polymer  
  Abstract Plastic pollution in the marine environment poses threats to wildlife and habitats through varied mechanisms, among which are the transport and transfer to the food web of hazardous substances. Still, very little is known about the metal content of plastic debris and about sorption/desorption processes, especially with respect to weathering. In this study, plastic debris collected from the North Atlantic subtropical gyre was analyzed for trace metals; as a comparison, new packaging materials were also analyzed. Both the new items and plastic debris showed very scattered concentrations. The new items contained significant amounts of trace metals introduced as additives, but globally, metal concentrations were higher in the plastic debris. The results provide evidence that enhanced metal concentrations increase with the plastic state of oxidation for some elements, such as As, Ti, Ni, and Cd. Transmission electron microscopy showed the presence of mineral particles on the surface of the plastic debris. This work demonstrates that marine plastic debris carries complex mixtures of heavy metals. Such materials not only behave as a source of metals resulting from intrinsic plastic additives but also are able to concentrate metals from ocean water as mineral nanoparticles or adsorbed species. Plastic debris collected from the North Atlantic subtropical gyre was analyzed for trace metals. Marine plastic debris carry complex mixtures of heavy metals but it is evidence that plastic oxidation favors their adsorption.  
  Address Univ Rennes, Geosciences, UMR CNRS 6118, bat 15, Campus de Beaulieu, Rennes Cedex, 35042, France  
  Corporate Author Thesis  
  Publisher Elsevier Ltd Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 02697491 (Issn) ISBN Medium  
  Area Expedition Conference  
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Author Ter Steege, H.; Henkel, T.W.; Helal, N.; Marimon, B.S.; Marimon-Junior, B.H.; Huth, A.; Groeneveld, J.; Sabatier, D.; Coelho, L.S.; Filho, D.A.L.; Salomão, R.P.; Amaral, I.L.; Matos, F.D.A.; Castilho, C.V.; Phillips, O.L.; Guevara, J.E.; Carim, M.J.V.; Cárdenas López, D.; Magnusson, W.E.; Wittmann, F.; Irume, M.V.; Martins, M.P.; Guimarães, J.R.D.S.; Molino, J.-F.; Bánki, O.S.; Piedade, M.T.F.; Pitman, N.C.A.; Mendoza, A.M.; Ramos, J.F.; Luize, B.G.; Moraes de Leão Novo, E.M.; Núñez Vargas, P.; Silva, T.S.F.; Venticinque, E.M.; Manzatto, A.G.; Reis, N.F.C.; Terborgh, J.; Casula, K.R.; Honorio Coronado, E.N.; Montero, J.C.; Feldpausch, T.R.; Duque, A.; Costa, F.R.C.; Arboleda, N.C.; Schöngart, J.; Killeen, T.J.; Vasquez, R.; Mostacedo, B.; Demarchi, L.O.; Assis, R.L.; Baraloto, C.; Engel, J.; Petronelli, P.; Castellanos, H.; de Medeiros, M.B.; Quaresma, A.; Simon, M.F.; Andrade, A.; Camargo, J.L.; Laurance, S.G.W.; Laurance, W.F.; Rincón, L.M.; Schietti, J.; Sousa, T.R.; de Sousa Farias, E.; Lopes, M.A.; Magalhães, J.L.L.; Mendonça Nascimento, H.E.; Lima de Queiroz, H.; Aymard C, G.A.; Brienen, R.; Revilla, J.D.C.; Vieira, I.C.G.; Cintra, B.B.L.; Stevenson, P.R.; Feitosa, Y.O.; Duivenvoorden, J.F.; Mogollón, H.F.; Araujo-Murakami, A.; Ferreira, L.V.; Lozada, J.R.; Comiskey, J.A.; de Toledo, J.J.; Damasco, G.; Dávila, N.; Draper, F.; García-Villacorta, R.; Lopes, A.; Vicentini, A.; Alonso, A.; Dallmeier, F.; Gomes, V.H.F.; Lloyd, J.; Neill, D.; de Aguiar, D.P.P.; Arroyo, L.; Carvalho, F.A.; de Souza, F.C.; do Amaral, D.D.; Feeley, K.J.; Gribel, R.; Pansonato, M.P.; Barlow, J.; Berenguer, E.; Ferreira, J.; Fine, P.V.A.; Guedes, M.C.; Jimenez, E.M.; Licona, J.C.; Peñuela Mora, M.C.; Villa, B.; Cerón, C.; Maas, P.; Silveira, M.; Stropp, J.; Thomas, R.; Baker, T.R.; Daly, D.; Dexter, K.G.; Huamantupa-Chuquimaco, I.; Milliken, W.; Pennington, T.; Ríos Paredes, M.; Fuentes, A.; Klitgaard, B.; Pena, J.L.M.; Peres, C.A.; Silman, M.R.; Tello, J.S.; Chave, J.; Cornejo Valverde, F.; Di Fiore, A.; Hilário, R.R.; Phillips, J.F.; Rivas-Torres, G.; van Andel, T.R.; von Hildebrand, P.; Noronha, J.C.; Barbosa, E.M.; Barbosa, F.R.; de Matos Bonates, L.C.; Carpanedo, R.S.; Dávila Doza, H.P.; Fonty, É.; GómeZárate Z, R.; Gonzales, T.; Gallardo Gonzales, G.P.; Hoffman, B.; Junqueira, A.B.; Malhi, Y.; Miranda, I.P.A.; Pinto, L.F.M.; Prieto, A.; Rodrigues, D.J.; Rudas, A.; Ruschel, A.R.; Silva, N.; Vela, C.I.A.; Vos, V.A.; Zent, E.L.; Zent, S.; Weiss Albuquerque, B.; Cano, A.; Carrero Márquez, Y.A.; Correa, D.F.; Costa, J.B.P.; Flores, B.M.; Galbraith, D.; Holmgren, M.; Kalamandeen, M.; Nascimento, M.T.; Oliveira, A.A.; Ramirez-Angulo, H.; Rocha, M.; Scudeller, V.V.; Sierra, R.; Tirado, M.; Umaña Medina, M.N.; van der Heijden, G.; Vilanova Torre, E.; Vriesendorp, C.; Wang, O.; Young, K.R.; Ahuite Reategui, M.A.; Baider, C.; Balslev, H.; Cárdenas, S.; Casas, L.F.; Farfan-Rios, W.; Ferreira, C.; Linares-Palomino, R.; Mendoza, C.; Mesones, I.; Torres-Lezama, A.; Giraldo, L.E.U.; Villarroel, D.; Zagt, R.; Alexiades, M.N.; de Oliveira, E.A.; Garcia-Cabrera, K.; Hernandez, L.; Palacios Cuenca, W.; Pansini, S.; Pauletto, D.; Ramirez Arevalo, F.; Sampaio, A.F.; Sandoval, E.H.V.; Valenzuela Gamarra, L.; Levesley, A.; Pickavance, G.; Melgaço, K. pdf  url
doi  openurl
  Title Rarity of monodominance in hyperdiverse Amazonian forests Type Journal Article
  Year 2019 Publication Scientific reports Abbreviated Journal Scientific reports  
  Volume 9 Issue 1 Pages 13822  
  Keywords  
  Abstract Tropical forests are known for their high diversity. Yet, forest patches do occur in the tropics where a single tree species is dominant. Such “monodominant” forests are known from all of the main tropical regions. For Amazonia, we sampled the occurrence of monodominance in a massive, basin-wide database of forest-inventory plots from the Amazon Tree Diversity Network (ATDN). Utilizing a simple defining metric of at least half of the trees over 10cm diameter belonging to one species, we found only a few occurrences of monodominance in Amazonia, and the phenomenon was not significantly linked to previously hypothesized life history traits such wood density, seed mass, ectomycorrhizal associations, or Rhizobium nodulation. In our analysis, coppicing (the formation of sprouts at the base of the tree or on roots) was the only trait significantly linked to monodominance. While at specific locales coppicing or ectomycorrhizal associations may confer a considerable advantage to a tree species and lead to its monodominance, very few species have these traits. Mining of the ATDN dataset suggests that monodominance is quite rare in Amazonia, and may be linked primarily to edaphic factors.  
  Address Department of Biology, University of Missouri, St. Louis, MO, 63121, USA  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes (up) Export Date: 7 October 2019 Approved no  
  Call Number EcoFoG @ webmaster @ Serial 887  
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