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Artículo

Neohelice granulata burrow fidelity behaviour related to landscape heterogeneity

Nuñez, Jesus DarioIcon ; Ribeiro, Pablo DamiánIcon ; Ocampo, Emiliano HernanIcon ; Luppi, Tomas AtilioIcon
Fecha de publicación: 07/11/2018
Editorial: Springer
Revista: Helgoland Marine Research
ISSN: 1438-387X
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Biología Marina, Limnología

Resumen

Neohelice granulata provides an interesting animal model for studying behavioural process because it is widely distributed, ensuring variability related to different environmental conditions. The aim of this study was to analyse variation in site fidelity with relation to landscape heterogeneity. Field observations were carried out in three geographically distant marshes in Argentina (Mar Chiquita, San Antonio Oeste, and Riacho San José), which differ in their environmental characteristics and where crabs display different reproductive strategies. We analysed potential variation in burrow fidelity with relation to body size, sex and presence of vegetation (mudflat and saltmarsh) at all study sites. In addition, we analysed the influence of tidal flooding on fidelity in the Mar Chiquita saltmarsh. To achieve these goals, we used a mark-recapture method in which we tagged approximately 100 crabs during mid-summer for each zone at each site (a total of 668 crabs) for geographical comparison and approximately 370 crabs to evaluate the influence of tidal flooding. We found more faithful individuals in Mar Chiquita than in San Antonio Oeste and Riacho San José. For the San Antonio Oeste and Riacho San José populations and for Mar Chiquita previous to flooding samples we also found differences in site fidelity related to crab body size. At San Antonio Oeste and Riacho San José the relationship between size and proportion of faithful crabs was negative (smaller crabs were more faithful than larger crabs). In Mar Chiquita, a higher proportion of fidelity previous to flooding and a size-dependent response to flooding were detected, suggesting that fidelity may be modulated by tides having different effects on crabs with different body sizes. Equal proportions of males and females displaying site fidelity were observed at all study zones and sites. Our study suggests that N. granulata burrow fidelity behaviour changes with latitude and landscape (mudflat or saltmarsh) and can be sensitive to variables such as body size and frequency of flooding.
Palabras clave: Flooding , Fidelity behaviour , Intertidal , Crabs
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/88147
URL: https://hmr.biomedcentral.com/articles/10.1186/s10152-018-0518-2
DOI: http://dx.doi.org/10.1186/s10152-018-0518-2
Colecciones
Articulos(IIMYC)
Articulos de INSTITUTO DE INVESTIGACIONES MARINAS Y COSTERAS
Citación
Nuñez, Jesus Dario; Ribeiro, Pablo Damián; Ocampo, Emiliano Hernan; Luppi, Tomas Atilio; Neohelice granulata burrow fidelity behaviour related to landscape heterogeneity; Springer; Helgoland Marine Research; 72; 1; 7-11-2018; 1-10
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