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Artículo

Rapid sewage pollution assessment by means of the coverage of epilithic taxa in a coastal area in the SW Atlantic

Becherucci, Maria EugeniaIcon ; Jaubet, Maria LourdesIcon ; Saracho Bottero, Maria AndreaIcon ; Llanos, Elizabeth NoemiIcon ; Elias, Rodolfo; Garaffo, Griselda ValeriaIcon
Fecha de publicación: 07/2018
Editorial: Elsevier Science
Revista: Science of the Total Environment
ISSN: 0048-9697
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias de la Tierra y relacionadas con el Medio Ambiente

Resumen

The sewage pollution impact over coastal environment represents one of the main reasons explaining the deterioration of marine coastal ecosystems around the globe. This paper aims to detect promptly a putative sewage pollution impact in a Southwestern Atlantic coastal area of Argentina as well as to identify a straightforward way for monitoring, based on the relative abundance coverage of the intertidal epilithic taxa. Four sampling sites were distributed at increased distances from the sewage outfall where the cover of individual epilithic species was visually estimated. The surrounded outfall area (i.e. outfall site) resulted polluted with high percentages of organic matter in sediment and Enterococcus concentration in seawater. The structure of the community showed a remarkable difference between the polluted site (outfall site) and the unpolluted sites. The polychaete Boccardia proboscidea dominated the outfall site with variable abundances of the green algae Ulva sp. during the period of study, decreasing the diversity of the community, while the mussel Brachidontes rodriguezii and variable abundances of several algae species dominated the unpolluted sites. The monitoring of the benthic community represents an effective, non-destructive, relative inexpensive and rapid method to assess the health of the coastal environment in the study area. The large abundance of B. proboscidea along with the absence of B. rodriguezii individuals at <300 m to the sewage outfall discharge allowed the success of this classical monitoring method in a temperate marine-coastal ecosystem with certain gradient of pollution.
Palabras clave: BENTHOS , ENVIRONMENTAL MONITORING , LITTORAL ZONE , ORGANIC MATTER
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)
Identificadores
URI: http://hdl.handle.net/11336/87757
URL: https://www.sciencedirect.com/science/article/pii/S0048969718304121
DOI: http://dx.doi.org/10.1016/j.scitotenv.2018.02.024
Colecciones
Articulos(IIMYC)
Articulos de INSTITUTO DE INVESTIGACIONES MARINAS Y COSTERAS
Citación
Becherucci, Maria Eugenia; Jaubet, Maria Lourdes; Saracho Bottero, Maria Andrea; Llanos, Elizabeth Noemi; Elias, Rodolfo; et al.; Rapid sewage pollution assessment by means of the coverage of epilithic taxa in a coastal area in the SW Atlantic; Elsevier Science; Science of the Total Environment; 628-629; 7-2018; 826-834
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