Distribución vertical de la macroinfauna asociada a bivalvos en una planicie intermareal sedimentaria del sur de Chile

Karin Acuña, Cristian Duarte, Eduardo Jaramillo, Heraldo Contreras, Mario Manzano, Jorge M. Navarro

Resultado de la investigación: Article

2 Citas (Scopus)

Resumen

The community structure of the macroinfauna inhabiting intertidal flats, as well as its distribution inside the sediment column, can be influenced by a combination of physical and biological factors. The objective of this study was to evaluate the vertical distribution and the community structure of the macroinfauna associated to sediments containing razor clams (Tagelus dombeii), during February and September, 2004 on the intertidal flat of Pelluco, Southern Chile. Sediment and macroinfauna samples were collected from sites with and without bivalves, using plastic cylinders divided into 5 equal parts. During both sampling months, the total number of species and the total abundance and biomass of the macroinfauna reached, in almost all sedimentary layers, higher values in the site with T. dombeii. In both sampling months, the faunistic composition was significantly different between sites with and without T. dombeii. In addition, the similarity in the faunistic composition between sedimentary layers was higher in the site with T. dombeii. The results of this study suggest that the bioturbation process of T. dombeii affects the vertical distribution of the associated macroinfauna and that this effect would not be dependent on the time year.

Idioma originalSpanish
Páginas (desde-hasta)383-393
Número de páginas11
PublicaciónRevista de Biologia Marina y Oceanografia
Volumen47
N.º3
DOI
EstadoPublished - 1 ene 2012

Huella dactilar

Chile
bivalve
vertical distribution
Bivalvia
faunistics
sediments
Veneroida
community structure
sediment
bioturbation
sampling
plastics
plastic
biomass
distribution
effect

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science

Citar esto

Acuña, Karin ; Duarte, Cristian ; Jaramillo, Eduardo ; Contreras, Heraldo ; Manzano, Mario ; Navarro, Jorge M. / Distribución vertical de la macroinfauna asociada a bivalvos en una planicie intermareal sedimentaria del sur de Chile. En: Revista de Biologia Marina y Oceanografia. 2012 ; Vol. 47, N.º 3. pp. 383-393.
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Distribución vertical de la macroinfauna asociada a bivalvos en una planicie intermareal sedimentaria del sur de Chile. / Acuña, Karin; Duarte, Cristian; Jaramillo, Eduardo; Contreras, Heraldo; Manzano, Mario; Navarro, Jorge M.

En: Revista de Biologia Marina y Oceanografia, Vol. 47, N.º 3, 01.01.2012, p. 383-393.

Resultado de la investigación: Article

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