Spatial changes in the infaunal community of a macrotidal flat in Bahía San Julián, Southern Patagonia, Argentina

dc.creatorMartin, Juan P.
dc.creatorSar, Alicia
dc.creatorCaminos, Carlos
dc.date2019-05-10
dc.date.accessioned2023-05-19T21:09:20Z
dc.date.available2023-05-19T21:09:20Z
dc.identifierhttps://revistas.uv.cl/index.php/rbmo/article/view/1494
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/6317453
dc.descriptionThe soft-bottom macrobenthos of Bahía San Julián intertidal was surveyed to identify infaunal assemblages and analyze their relationships with the main environmental factors determining species distribution. Four seasonal surveys (summer, autumn, winter and spring) were performed in the middle and lower intertidal levels at seven sampling stations established on both sides of an urban sewage discharge point, and water and sediment variables were measured. To explore possible spatial variations in the community, environmental and biological data were analyzed using univariate and multivariate statistics. Community composition varied with intertidal level, sediment characteristics and distance to sewage discharge site. In sediment with high mud content, the community was characterized by Darina solenoides, Mysella patagona, Eteone sculpta, Scolecolepides uncinatus and Capitella sp., in the middle intertidal, and was characterized by M. patagona and Ampelisca sp. in the lower intertidal. In sediment with dominance of fine sand, the community was characterized by Aricidea sp. at both intertidal levels. Near the effluent discharge site, the community was largely dominated by M. patagona. Intertidal level and sediment particle size are the main factors determining the composition of benthic assemblages in the study area. Sewage discharge also affects the composition of the infaunal community, possibly as a result of the contribution of particulate organic matter in suspension that stimulates the populations of detritus feeders.en-US
dc.formatapplication/pdf
dc.languageeng
dc.publisherUniversidad de Valparaísoes-ES
dc.relationhttps://revistas.uv.cl/index.php/rbmo/article/view/1494/ART%20Martin
dc.rightsDerechos de autor 2019 Los autores que publican en la Revista de Biología Marina y Oceanografía transfieren automáticamente sus derechos de publicación a la Universidad de Valparaíso, asegurando todos los derechos de propiedad intelectual y difundir ampliamente el artículo y la revista en cualquier formato. Todo el contenido de esta revista, excepto dónde está identificado, está bajo una Licencia Creative Commons.(licencia de Atribución NoComercial 3.0 Unported). La Revista de Biología Marina y Oceanografía autoriza el uso de figuras, tablas y extractos breves de su colección de manuscritos, en trabajos científicos y educacionales, siempre que se incluya la fuente de información.es-ES
dc.sourceRevista de Biología Marina y Oceanografía; Vol. 54 Núm. 1 (2019); 51-69es-ES
dc.source0718-1957
dc.source0717-3326
dc.subjectBenthic communitiesen-US
dc.subjectSoft bottomsen-US
dc.subjectAnthropogenic disturbanceen-US
dc.subjectBioindicatorsen-US
dc.subjectMysella patagonaen-US
dc.titleSpatial changes in the infaunal community of a macrotidal flat in Bahía San Julián, Southern Patagonia, Argentinaen-US
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion


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