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ISSUE 2

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Efecto de la eliminación de la capa adherente de los huevos utilizando enzima proteolítica proteasa y jugo de piña en la larvicultura del botete dianaSphoeroides annulatus

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Proliferation of Pseudo-nitzschia brasiliana and P.cf. pseudodelicatissima (Bacillariophyceae) in the Estero Santa Cruz, northern Gulf of California, Mexico

RESEARCH NOTE

First records of emerging benthic invertebrates at a sublittoral soft-bottom habitat in northern Chile

Authors

CORRESPONDING

Aldo S. Pacheco

babuchapv@yahoo.com

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Instituto de Investigaciones Oceanológicas, Climate Change Ecology Group, CENSOR Laboratory, Universidad de Antofagasta, Av. Jaime Guzmán 02800, P.O. Box 170, Antofagasta, Chile

Gonzalo E. Goméz

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CENSOR Laboratory, Universidad de Antofagasta, Av. Jaime Guzmán 02800, Antofagasta, Chile

José M. Riascos

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Instituto de Investigaciones Oceanológicas, Climate Change Ecology Group, CENSOR Laboratory, Universidad de Antofagasta, Av. Jaime Guzmán 02800, P.O. Box 170, Antofagasta, Chile

Abstract

Some benthic invertebrates perform vertical diel migrations by swimming up from the seabed to the water column, i.e., they emerge. Although such migrations may have important implications for benthic-pelagic coupling, there is no information reporting this type of ecological processes in sublittoral soft-bottom sediments in the Humboldt Current system. Herein, we present the results of a short-term experiment using traps designed to collect emerging invertebrates in a sublittoral site in northern Chile. Seventeen taxa principally composed by peracarids, copepods and ostracods were identified. This report constitutes the first description of an emerging benthic assemblage in the Humboldt Current ecosystem.

Key words

Diel vertical migrations, benthic-pelagic coupling, macrofauna

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