Size overlap in intertidal decapod communities along the chilean coast

Patricio De los Ríos-Escalante; Guillermo Figueroa-Muñoz; Marco A. Retamal; Rolando Vega-Aguayo; Carlos Esse

doi:10.3989/scimar.04973.14A

Authors

Patricio De los Ríos-Escalante Universidad Católica de Temuco, Facultad de Recursos Naturales, Departamento de Ciencias Biológicas y Químicas - Núcleo de Estudios Ambientales, UC Temuco https://orcid.org/0000-0001-5056-7003
Guillermo Figueroa-Muñoz Genomics in Ecology, Evolution and Conservation Laboratory (GEECLAB), Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción https://orcid.org/0000-0001-7446-9934
Marco A. Retamal Universidad de Concepción, Facultad de Ciencias Naturales y Oceanográficas, Departamento de Oceanografía https://orcid.org/0000-0001-8255-1137
Rolando Vega-Aguayo Universidad Católica de Temuco, Facultad de Recursos Naturales, Departamento de Ciencias Agropecuarias y Acuícolas - Núcleo de Investigación de Producción Alimentaria https://orcid.org/0000-0002-3300-6893
Carlos Esse Unidad de Cambio Climático y Medio Ambiente, Instituto de Estudios de Hábitat (IEH), Facultad de Arquitectura y Construcción, Universidad Autónoma de Chile https://orcid.org/0000-0002-5030-3275

DOI:

https://doi.org/10.3989/scimar.04973.14A

Keywords:

intertidal decapods, rocky shore, null models, size overlap

Abstract

The intertidal crustaceans on the Chilean coast are characterized by high diversity and niche specialization. The present study applied a size overlap null model for intertidal decapod communities at four different sites on the Chilean coast. The results revealed that there is a size overlap for the four sites, though body size is significantly different for each location. This means that the reported species would share their ecological niches. The results agree with the first classic environmental descriptions for Chilean intertidal decapods at a local scale and support the observations for similar species on the southern Pacific and southern Atlantic coasts.

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