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Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12008/34498 How to cite
Title: Large-scale connectivity of the sandy beach clam Mesodesma mactroides along the Atlantic coast of South America, and climate change implication
Authors: Meerhoff, Erika
Combes, Vincent
Matano, Ricardo
Barrier, Nicolás
Franco, Bárbara
Piola, Alberto
Hernández-Vaca, Freddy
Defeo, Omar
Type: Artículo
Keywords: Yellow clam, Larval connectivity, Individual-based model, Salinity-dependent larval mortality, Temperature-dependent larval mortality, Warming hotspot
Issue Date: 2022
Abstract: The yellow clam Mesodesma mactroides is a cool-water species that typifies sandy beaches of the Southwestern Atlantic Ocean (SAO), which embraces one of the strongest ocean warming hotspots. The region is influenced by the Rio de la Plata (RdlP), which represents a zoogeographic barrier that restricts its larval exchange. We investigated yellow clam larval connectivity patterns using an individual based model (IBM). The IBM combined outputs from a 3D hydrodynamic model with a clam submodel that considered salinity- and temperature-dependent mortality for the planktonic larvae. Connectivity across the RdlP estuary occurred only for larvae released in spring during a strong La Niña event. Mortality due to freshwater precluded larval transport across the RdlP, whereas larval mortality induced by warmer waters reduced connectivity, leading to self-recruitment in most areas. Warming acceleration in this hotspot could further restrict larval connectivity between populations in the SAO, with conservation implications for this threatened species.
Description: Versión permitida: versión aceptada
Publisher: Elsevier
IN: Marine Environmental Research, 2022
Sponsors: ANII: FCE 3_2020_1_162359
DOI: https://doi.org/10.1016/j.marenvres.2022.105591
Citation: Meerhoff, E, Combes, V, Matano, R, Barrier, N, y otros. "Large-scale connectivity of the sandy beach clam Mesodesma mactroides along the Atlantic coast of South America, and climate change implications" Marine Environmental Research, 2022, 176:105-591. DOI: 10.1016/j.marenvres.2022.105591
License: Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
Appears in Collections:Publicaciones académicas y científicas - Facultad de Ciencias

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