Scientia Marina, Vol 84, No 2 (2020)

Size overlap in intertidal decapod communities along the chilean coast


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

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, Chile
orcid 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, Chile
orcid https://orcid.org/0000-0001-7446-9934

Marco A. Retamal
Universidad de Concepción, Facultad de Ciencias Naturales y Oceanográficas, Departamento de Oceanografía, Chile
orcid 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, Chile
orcid 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, Chile
orcid https://orcid.org/0000-0002-5030-3275

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.

Keywords


intertidal decapods; rocky shore; null models; size overlap

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