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Revista de biología marina y oceanografía

On-line version ISSN 0718-1957

Abstract

PACHECO, Aldo S; GOMEZ, Gonzalo E  and  RIASCOS, José M. First records of emerging benthic invertebrates at a sublittoral soft-bottom habitat in northern Chile. Rev. biol. mar. oceanogr. [online]. 2013, vol.48, n.2, pp.387-392. ISSN 0718-1957.  http://dx.doi.org/10.4067/S0718-19572013000200018.

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.

Keywords : Diel vertical migrations; benthic-pelagic coupling; macrofauna.

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