Título:
First record of the potential invasive crab Rhithropanopeus harrisii (Gould, 1841) in the Uruguayan coast
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Autor:
Machado, Irene
Pasquariello, Soledad
Vieira, Rony
Calliari, Danilo
Rodríguez-Gallego, Lorena
Pasquariello, Soledad
Vieira, Rony
Calliari, Danilo
Rodríguez-Gallego, Lorena
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Tipo de documento:
Artículo
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Palabras clave:
Exotic species
Southwestern Atlantic
Estuarine crab
Zoea
Early detection
Southwestern Atlantic
Estuarine crab
Zoea
Early detection
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Año de publicación:
2024
Contenido:
Resumen:
Rhithropanopeus harrisii (Brachyura, Panopeidae) is a small euryhaline and eurythermal omnivorous crab native to the Northwest Atlantic. However, it has become an invasive species in various estuaries and coastal areas far from its original habitat, most likely due to intercontinental shipping. Once it establishes itself in one location, it can spread to neighboring regions via maritime currents. In 1982, this species was found in South America, specifically in Lagoa dos Patos, Brazil. In this study, we present the first record of R. harrisii larvae in Uruguay, located in the coastal marine zone of Laguna de Rocha, approximately 300 km south of Lagoa dos Patos. It was discovered during a study that involved 15 plankton samplings, conducted from February 2016 to February 2017. Notably, the observation of R. harrisii larvae was limited to the coastal zone during the summer and autumn of 2016 (February to April). All observed larvae were in the zoeal stage, and their abundance ranged from three to 185 individuals per 100 m3. The temperature and salinity values recorded during sampling surveys with the presence of R. harrisii ranged from 19 to 22.4 °C and 11.8-32.5 ppt, respectively. The discovery of the larval stage suggests that adults of this species may be reproducing in the eastern coastal zone of Uruguay or nearby regions. The area in which they are currently found could potentially serve as a biological corridor, facilitating their spread to other estuaries of great economic and ecological importance, such as the Río de la Plata, as well as other coastal lagoons and subestuaries in Uruguay and Argentina. Further monitoring studies are necessary to determine whether this species became established in the area. Potential ecological consequences in our region derived from its presence are herein discussed.
Descripción:
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Editorial:
Instituto Oceanográfico da Universidade de São Paulo
EN:
Ocean & Coastal Research, 2024, 72: e24023.
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Citación:
Machado, I, Pasquariello, S, Vieira, R [y otros autores]. "First record of the potential invasive crab Rhithropanopeus harrisii (Gould, 1841) in the Uruguayan coast". Ocean & Coastal Research. [en línea] 2024, 72: e24023. 10 h. DOI: 10.1590/2675-2824072.23084
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2675-2824
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Licencia:
Licencia Creative Commons Atribución (CC - By 4.0)
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| Ficheros | Descripción | Tamaño | Formato | ||
|---|---|---|---|---|---|
| 10.1590-2675-2824072.23084.pdf | — | 1.02 MB | Adobe PDF |