The unique functioning of a pre-Columbian Amazonian floodplain fishery

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  • dc.contributor.author Blatrix, Rumsaïsca
  • dc.contributor.author Roux, Brunoca
  • dc.contributor.author Béarez, Philippeca
  • dc.contributor.author Prestes-Carneiro, Gabrielaca
  • dc.contributor.author Amaya, Marceloca
  • dc.contributor.author Aramayo, Jose Luisca
  • dc.contributor.author Rodrigues, Leonorca
  • dc.contributor.author Lombardo, Umbertoca
  • dc.contributor.author Iriarte, Joseca
  • dc.contributor.author de Souza, Jonas Gregorioca
  • dc.contributor.author Robinson, Markca
  • dc.contributor.author Bernard, Cyrilca
  • dc.contributor.author Pouilly, Marcca
  • dc.contributor.author Durécu, Mélisseca
  • dc.contributor.author Huchzermeyer, Carl F.ca
  • dc.contributor.author Kalebe, Mashutaca
  • dc.contributor.author Ovando, Alexca
  • dc.contributor.author McKey, Doyleca
  • dc.date.accessioned 2018-09-20T09:59:02Z
  • dc.date.available 2018-09-20T09:59:02Z
  • dc.date.issued 2018
  • dc.description.abstract Archaeology provides few examples of large-scale fisheries at the frontier between catching and farming of fish. We analysed the spatial organization of earthen embankments to infer the functioning of a landscape-level pre-Columbian Amazonian fishery that was based on capture of out-migrating fish after reproduction in seasonal floodplains. Long earthen weirs cross floodplains. We showed that weirs bear successive V-shaped features (termed ‘Vs’ for the sake of brevity) pointing downstream for outflowing water and that ponds are associated with Vs, the V often forming the pond’s downstream wall. How Vs channelled fish into ponds cannot be explained simply by hydraulics, because Vs surprisingly lack fishways, where, in other weirs, traps capture fish borne by current flowing through these gaps. We suggest that when water was still high enough to flow over the weir, out-migrating bottom-hugging fish followed current downstream into Vs. Finding deeper, slower-moving water, they remained. Receding water further concentrated fish in ponds. The pond served as the trap, and this function shaped pond design. Weir-fishing and pond-fishing are both practiced in African floodplains today. In combining the two, this pre-Columbian system appears unique in the world.
  • dc.description.sponsorship This research was funded by grants to D.M. from the Institut Universitaire de France, the Institut Ecologie et Environnement (INEE)/CNRS (Projets Exploratoires Pluridisciplinaires program), the Mission pour l’Interdisciplinarité of the CNRS, the TOSCA committee (Terre Solide, Océan, Surfaces Continentales, Atmosphère) of the CNES (French National Center for Space Research), the Groupement de Recherche Mosaïque (GDR 3353, INEE/CNRS); and by grants to R.B. from the Institut Ecologie et Environnement (INEE)/CNRS (Projets Exploratoires Pluridisciplinaires TOHMIS), to L.R. from the Swiss National Science Foundation (SNSF) [grant no. P2BEP2_172250] and to U.L. from the European Union’s Horizon 2020 research and innovation programme [Marie Skłodowska-Curie actions, EU project 703045]. This work was supported by public funds received in the framework of GEOSUD, a project (ANR-10-EQPX-20) of the program Investissements d’Avenir managed by the French National Agency. Research was also funded in part by the European Research Council project ‘Pre-Columbian Amazon-Scale Transformations’ (ERC-CoG 616179) to J.I. Data for Supplementary Figs S2 and S9 were provided by TerraSAR-X/TanDEM-X (grant no. DEM_OTHER1040).
  • dc.format.mimetype application/pdf
  • dc.identifier.citation Blatrix R, Roux B, Béarez P, Prestes-Carneiro G, Amaya M, Aramayo JL, Rodrigues L, Lombardo U, Iriarte J, Gregorio Souza J, Robinson M, Bernard C, Pouilly M, Durécu M, Huchzermeyer CF, Kalebe M, Ovando A, McKey D. The unique functioning of a pre-Columbian Amazonian floodplain fishery. Sci Rep. 2018;8:5998. DOI: 10.1038/s41598-018-24454-4
  • dc.identifier.doi http://dx.doi.org/10.1038/s41598-018-24454-4
  • dc.identifier.issn 2045-2322
  • dc.identifier.uri http://hdl.handle.net/10230/35476
  • dc.language.iso eng
  • dc.publisher Nature Publishing Groupca
  • dc.relation.ispartof Scientific Reports. 2018;8:5998.
  • dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/703045
  • dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/616179
  • dc.rights © Nature Publishing Group. https://www.nature.com/articles/s41598-018-24454-4 This article is licensed under a Creative Commons Attribution 4.0 International License
  • dc.rights.accessRights info:eu-repo/semantics/openAccess
  • dc.rights.uri http://creativecommons.org/licenses/by/4.0/
  • dc.title The unique functioning of a pre-Columbian Amazonian floodplain fisheryca
  • dc.type info:eu-repo/semantics/article
  • dc.type.version info:eu-repo/semantics/publishedVersion

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